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values | abstract stringlengths 6 6.09k | versions unknown | update_date stringlengths 10 10 | authors_parsed unknown |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
astro-ph/0001001 | Alex Lazarian | A. Lazarian | Statistics of Turbulence from Spectral-Line Data Cubes | 21 pages, 1 figure, review for "Plasma Turbulence and Energetic
Particles in Astrophysics", eds.M. Ostrowski & R. Schlickeiser, Cracow (1999) | null | null | null | astro-ph cond-mat.stat-mech physics.ao-ph physics.flu-dyn physics.plasm-ph physics.space-ph | null | Emission in spectral lines can provide unique information on interstellar
turbulence. Doppler shifts due to supersonic motions contain information on
turbulent velocity field which is otherwise difficult to measure. However, the
problem of separation of velocity and density fluctuations is far from being
trivial. Usi... | [
{
"created": "Sat, 1 Jan 2000 02:05:30 GMT",
"version": "v1"
}
] | 2016-08-30 | [
[
"Lazarian",
"A.",
""
]
] |
astro-ph/0001002 | Renxin Xu | G.J. Qiao, R.X. Xu, J.F. Liu, J.L. Han, B. Zhang (CAS-PKU BAC &
Astronomy Department, PKU) | On the inverse Compton scattering model of radio pulsars | 5 pages, no figures, LaTeX, a proceeding paper for Pacific Rim
Conference on Stellar Astrophysics, Aug. 1999, HongKong, China | null | 10.1007/978-94-010-0878-5_44 | null | astro-ph | null | Some characteristics of the inverse Compton scattering (ICS) model are
reviewed. At least the following properties of radio pulsars can be reproduced
in the model: core or central emission beam, one or two hollow emission cones,
different emission heights of these components, diverse pulse profiles at
various frequen... | [
{
"created": "Sat, 1 Jan 2000 11:08:49 GMT",
"version": "v1"
}
] | 2016-01-27 | [
[
"Qiao",
"G. J.",
"",
"CAS-PKU BAC &\n Astronomy Department, PKU"
],
[
"Xu",
"R. X.",
"",
"CAS-PKU BAC &\n Astronomy Department, PKU"
],
[
"Liu",
"J. F.",
"",
"CAS-PKU BAC &\n Astronomy Department, PKU"
],
[
"Han",
"J. L.",
"",
"CAS-PKU... |
astro-ph/0001003 | Matthias Steinmetz | Julio F. Navarro (University of Victoria) and Matthias Steinmetz
(University of Arizona) | Dark Halo and Disk Galaxy Scaling Laws in Hierarchical Universes | submitted to The Astrophysical Journal | Astrophys.J.538:477-488,2000 | 10.1086/309175 | null | astro-ph | null | We use cosmological N-body/gasdynamical simulations that include star
formation and feedback to examine the proposal that scaling laws between the
total luminosity, rotation speed, and angular momentum of disk galaxies reflect
analogous correlations between the structural parameters of their surrounding
dark matter h... | [
{
"created": "Sun, 2 Jan 2000 01:09:29 GMT",
"version": "v1"
},
{
"created": "Tue, 4 Jan 2000 21:59:55 GMT",
"version": "v2"
}
] | 2012-06-01 | [
[
"Navarro",
"Julio F.",
"",
"University of Victoria"
],
[
"Steinmetz",
"Matthias",
"",
"University of Arizona"
]
] |
astro-ph/0001004 | Ruth Dgani | Ruth Dgani | Theory of the Interaction of Planetary Nebulae with the Interstellar
Medium | To appear in ``Asymmetrical Planetary Nebulae II: from Origins to
Microstructures, '' ASP Conference Series, Vol. 199, 2000; J.H. Kastner, N.
Soker & S.A. Rappaport, eds | null | null | null | astro-ph | null | The theory of the interaction of planetary nebulae with the interstellar
medium is important for the interpretation of nebular morphologies that deviate
from point symmetry. It can be used to probe the interstellar medium and its
magnetic field. We emphasize in this review the role of hydrodynamical
instabilities in ... | [
{
"created": "Sun, 2 Jan 2000 01:22:49 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Dgani",
"Ruth",
""
]
] |
astro-ph/0001005 | Sergei B. Popov | S.B. Popov and M.E. Prokhorov (Sternberg Astronomical Institute) | Restrictions on parameters of power-law magnetic field decay for
accreting isolated neutron stars | 8 pages including 3 PostScript figures | null | 10.1080/10556790108221135 | null | astro-ph | null | In this short note we discuss the influence of power-law magnetic field decay
on the evolution of old accreting isolated neutron stars. We show, that,
contrary to exponential field decay (Popov & Prokhorov 2000), no additional
restrictions can be made for the parameters of power-law decay from the
statistics of isola... | [
{
"created": "Sun, 2 Jan 2000 10:34:46 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Popov",
"S. B.",
"",
"Sternberg Astronomical Institute"
],
[
"Prokhorov",
"M. E.",
"",
"Sternberg Astronomical Institute"
]
] |
astro-ph/0001006 | Shiv Kumar Sethi | Shiv K. Sethi, S. G. Bhargavi, Jochen Greiner | On the Clustering of GRBs on the Sky | 5 pages, Latex with aipproc.sty, incl. 1 ps-Fig., Proc. of the 5th
Huntsville Gamma Ray Burst Symposium, Oct. 1999, ed. R.M. Kippen, AIP | null | 10.1063/1.1361517 | null | astro-ph | null | The two-point correlation of the 4th (current) BATSE catalog (2494 objects)
is calculated. It is shown to be consistent with zero at nearly all angular
scales of interest. Assuming that GRBs trace the large scale structure in the
universe we calculate the angular correlation function for the standard CDM
(sCDM) model... | [
{
"created": "Sun, 2 Jan 2000 17:19:00 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Sethi",
"Shiv K.",
""
],
[
"Bhargavi",
"S. G.",
""
],
[
"Greiner",
"Jochen",
""
]
] |
astro-ph/0001007 | Kim Eunhyeuk | Eunhyeuk Kim (1), Myung Gyoon Lee, (1), and Doug Geisler (2) ((1)
Seoul National University, Korea (2) Universidad de Concepcion, Chile) | Wide Field CCD Surface Photometry of the Giant Elliptical Galaxy NGC
4472 in the Virgo Cluster | 8 pages(mnrasLaTeX), 8 Postscript figures, Accepted for publication
in MNRAS, 2000) | null | 10.1046/j.1365-8711.2000.03356.x | SNU-ASTRO-00-001 | astro-ph | null | We present deep wide field (16'.4 x 16'.4) Washington CT1 CCD surface
photometry of the giant elliptical galaxy NGC 4472, the brightest member in the
Virgo cluster. Our data cover a wider field than any previous CCD photometry as
well as going deeper. Surface brightness profiles of NGC 4472 are not well fit
by a sing... | [
{
"created": "Mon, 3 Jan 2000 05:18:47 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Kim",
"Eunhyeuk",
""
],
[
"Lee",
"Myung Gyoon",
""
],
[
"Geisler",
"Doug",
""
]
] |
astro-ph/0001008 | Sylvio Klose | Sylvio Klose | Gamma-Ray Bursts in the 1990's - a Multi-wavelengths Scientific
Adventure | 22 pages, Latex; added references for section 2.1 | null | null | null | astro-ph | null | In 1997 the first optical afterglow of a cosmic Gamma-Ray Burst was
discovered, and substantial progress has been achieved since then. Here we
present a short review of some recent developments in this field, with emphasis
on observational aspects of the GRB phenomenon.
| [
{
"created": "Mon, 3 Jan 2000 10:01:25 GMT",
"version": "v1"
},
{
"created": "Thu, 10 Feb 2000 13:57:33 GMT",
"version": "v2"
}
] | 2016-08-30 | [
[
"Klose",
"Sylvio",
""
]
] |
astro-ph/0001009 | Aya Kubota | Kazuo Makishima (1), Aya Kubota (1), Tsunefumi Mizuno (1), Tomohisa
Ohnishi(1), Makoto Tashiro(1), Yoichi Aruga(2), Kazumi Asai(2), Tadayasu
Dotani(2), Kazuhisa Mitsuda(2), Yoshihiro Ueda(2), Shin'ichiro Uno(2),
Kazutaka Yamaoka(2), Ken Ebisawa(3), Yoshiki Kohmura(4) and Kyoko Okada(4)
((1)University of Tokyo, ... | The Nature of Ultra-Luminous Compact X-Ray Sources in Nearby Spiral
Galaxies | submitted to ApJ, December 1999 | Astrophys.J.535:632,2000 | 10.1086/308868 | RESCEU 48/99 | astro-ph | null | Studies were made of ASCA spectra of seven ultra-luminous compact X-ray
sources (ULXs) in nearby spiral galaxies; M33 X-8 (Takano et al. 1994), M81 X-6
(Fabbiano 1988b; Kohmura et al. 1994; Uno 1997), IC 342 Source 1 (Okada et al.
1998), Dwingeloo 1 X-1 (Reynolds et al. 1997), NGC 1313 Source B (Fabbiano &
Trinchieri... | [
{
"created": "Mon, 3 Jan 2000 10:06:13 GMT",
"version": "v1"
}
] | 2011-05-10 | [
[
"Makishima",
"Kazuo",
""
],
[
"Kubota",
"Aya",
""
],
[
"Mizuno",
"Tsunefumi",
""
],
[
"Ohnishi",
"Tomohisa",
""
],
[
"Tashiro",
"Makoto",
""
],
[
"Aruga",
"Yoichi",
""
],
[
"Asai",
"Kazumi",
""
],
[
... |
astro-ph/0001010 | Ferrara Andrea | A. Ferrara, B. Ciardi, S. Marri, and P. Todini | Feedback Processes in the Early Universe | 8 pages, EslabStyle.cls, LaTeX, 7 figures | Invited Review at the 33rd ESLAB Symp. "Star Formation from the
Small to the Large Scale", ed. F. Favata et al | null | OAA-001 | astro-ph | null | Feedback effects due to massive stars and supernovae in the first objects are
shown to strongly regulate both galaxy formation/evolution and the reionization
process. Here we review the most important ones in some detail. We discuss how
Type II supernovae can be used as tracers of the first objects and detected
with ... | [
{
"created": "Mon, 3 Jan 2000 10:17:25 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Ferrara",
"A.",
""
],
[
"Ciardi",
"B.",
""
],
[
"Marri",
"S.",
""
],
[
"Todini",
"P.",
""
]
] |
astro-ph/0001011 | Giangiacomo Gandolfi | G. Gandolfi, M. Feroci, E. Costa, L. Piro (IAS/CNR), M.J.S. Smith,
J.M. Muller (SRON), A. Coletta, G. Celidonio, L. Di Ciolo, A. Paolino, G.
Tarei, G. Tassone (TELESPAZIO) and F. Frontera(ITESRE/CNR) | What can BeppoSAX tell us about short GRBs: An update from the Subsecond
GRB Project | Proc. 5th Huntsville GRB Symposium | null | 10.1063/1.1361500 | null | astro-ph | null | We present some statistical considerations on the BeppoSAX hunt for subsecond
GRBs at the Scientific Operation Center. Archive analysis of a BATSE/SAX
sub-sample of bursts indicates that the GRB Monitor is sensitive to short (< 2
sec) events, that are in fact about 22% of the total. The non-detection of
corresponding... | [
{
"created": "Mon, 3 Jan 2000 11:32:23 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Gandolfi",
"G.",
"",
"IAS/CNR"
],
[
"Feroci",
"M.",
"",
"IAS/CNR"
],
[
"Costa",
"E.",
"",
"IAS/CNR"
],
[
"Piro",
"L.",
"",
"IAS/CNR"
],
[
"Smith",
"M. J. S.",
"",
"SRON"
],
[
"Muller",
"J. M.",
"",
... |
astro-ph/0001012 | Joanna Mikolajewska | Joanna Mikolajewska | Observed Properties of Mass Loss in Symbiotic Binaries | To appear in ``Asymmetrical Planetary Nebulae II: from Origins to
Microstructures'', ASP Conference Series, Vol. 199, 2000; J.H. Kastner, N.
Soker, & S.A. Rappaport, eds | null | null | null | astro-ph | null | Both the red giants and the Mira variables in symbiotic systems have
systematically higher mass-loss rates than do typical galactic giants and
Miras, which suggests that only very evolved giants, and so those with highest
mass-loss rates, can support symbiotic behaviour in widely separated binary
systems. They often ... | [
{
"created": "Mon, 3 Jan 2000 14:38:11 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Mikolajewska",
"Joanna",
""
]
] |
astro-ph/0001013 | Thomas Michael Tauris | T.M. Tauris, E.P.J. van den Heuvel, G.J. Savonije | Formation of Millisecond Pulsars with Heavy White Dwarf Companions -
Extreme Mass Transfer on Sub-Thermal Timescales | Accepted for publication in The Astrophysical Journal Letters | null | 10.1086/312496 | null | astro-ph | null | We have performed detailed numerical calculations of the non-conservative
evolution of close X-ray binary systems with intermediate-mass (2.0-6.0 M_sun)
donor stars and a 1.3 M_sun accreting neutron star. We calculated the thermal
response of the donor star to mass loss, in order to determine its stability
and follow... | [
{
"created": "Mon, 3 Jan 2000 15:42:00 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Tauris",
"T. M.",
""
],
[
"Heuvel",
"E. P. J. van den",
""
],
[
"Savonije",
"G. J.",
""
]
] |
astro-ph/0001014 | Thomas Michael Tauris | T.M. Tauris, G.J. Savonije | Spin-Orbit Couplings in X-ray Binaries | 6 pages, to appear in the proceedings of the NATO ASI "The Neutron
Star - Black Hole Connection" | null | null | null | astro-ph | null | We discuss the influence of tidal spin-orbit interactions on the orbital
dynamics of close intermediate-mass X-ray binaries. In particular we consider
here a process in which spin angular momentum of a contracting RLO donor star,
in a synchronous orbit, is converted into orbital angular momentum and thus
helps to sta... | [
{
"created": "Mon, 3 Jan 2000 15:52:07 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Tauris",
"T. M.",
""
],
[
"Savonije",
"G. J.",
""
]
] |
astro-ph/0001015 | Thomas Michael Tauris | T.M. Tauris, E.P.J. van den Heuvel | New Direct Observational Evidence for Kicks in SNe | 2 pages, to appear in the proceedings of the IAU Colloq. 177 "Pulsar
Astronomy - 2000 and beyond" | null | null | null | astro-ph | null | We present an updated list of direct strong evidence in favour of kicks being
imparted to newborn neutron stars. In particular we discuss the new cases of
evidence resulting from recent observations of the X-ray binary Circinus X-1
and the newly discovered binary radio pulsar PSR J1141-6545. We conclude that
the assu... | [
{
"created": "Mon, 3 Jan 2000 15:57:14 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Tauris",
"T. M.",
""
],
[
"Heuvel",
"E. P. J. van den",
""
]
] |
astro-ph/0001016 | Martin Zwaan | M. A. Zwaan and F. H. Briggs (Kapteyn Astronomical Institute,
Groningen) | The Space Density of Primordial Gas Clouds near Galaxies and Groups and
their Relation to Galactic HVCs | Accepted for publication in ApJL. 7 pages, 2 figures | null | 10.1086/312488 | null | astro-ph | null | The Arecibo HI Strip Survey probed the halos of ~300 cataloged galaxies and
the environments of ~14 groups with sensitivity to neutral hydrogen masses >
10^7 M_sun. The survey detected no objects with properties resembling the High
Velocity Clouds (HVCs) associated with the Milky Way or Local Group. If the
HVCs were ... | [
{
"created": "Mon, 3 Jan 2000 16:53:45 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Zwaan",
"M. A.",
"",
"Kapteyn Astronomical Institute,\n Groningen"
],
[
"Briggs",
"F. H.",
"",
"Kapteyn Astronomical Institute,\n Groningen"
]
] |
astro-ph/0001017 | Herpin | F. Herpin (Dept. Fisica Molecular, IEM, CSIC, Madrid, Spain),
J.Cernicharo (same address), and A. Heras (Space Science Dept. of ESA, ESTEC,
Netherlands) | H2 emission from CRL 618 | 4 pages, 3 figures, proceeding of the "H2 in Space" conference,
Paris, September 1999 | null | null | null | astro-ph | null | We present a complete study of the H2 infrared emission, including the pure
rotational lines, of the proto Planetary Nebulae CRL 618 with the ISO SWS. A
large number of lines are detected. The analysis of our observations shows: (i)
an OTP ratio very different from the classical value of 3, probably around
1.76-1.87;... | [
{
"created": "Mon, 3 Jan 2000 17:19:55 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Herpin",
"F.",
"",
"Dept. Fisica Molecular, IEM, CSIC, Madrid, Spain"
],
[
"Cernicharo",
"J.",
"",
"same address"
],
[
"Heras",
"A.",
"",
"Space Science Dept. of ESA, ESTEC,\n Netherlands"
]
] |
astro-ph/0001018 | Inese I. Ivans | Christopher Sneden (1), Inese I. Ivans (1), Robert P. Kraft (2) ((1)
McDonald Observatory and Univ. of Texas at Austin (2) UCO/Lick Observatory
and Univ. of California at Santa Cruz) | Do AGB Stars Differ Chemically from RGB Stars in Globular Clusters? | 9 pages, 2 figures (memsait.sty, epsf.sty) to appear in Workshop
Proceedings of "The Changes in Abundances in Asymptotic Giant Branch Stars",
held in Monteporzio Catone (Italy), September 1999, to be published by
Mem.Soc.Astron.It., eds. F. D'Antona and R. Gallino | null | null | null | astro-ph | null | Recent improvements in globular cluster colour-magnitude diagrams, coupled
with an increase in large-sample spectroscopic abundance studies of cluster
giants, finally allow some attempts at a statistically meaningful comparison of
the chemical compositions of red giant branch (RGB) and asymptotic branch (AGB)
cluster... | [
{
"created": "Mon, 3 Jan 2000 19:12:00 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Sneden",
"Christopher",
""
],
[
"Ivans",
"Inese I.",
""
],
[
"Kraft",
"Robert P.",
""
]
] |
astro-ph/0001019 | Kevin Hurley | K. Hurley, N. Lund, S. Brandt, C. Barat, T. Cline, R. Sunyaev, O.
Terekhov, A. Kuznetsov, S. Sazonov, A. Castro-Tirado | The Ulysses Supplement to the GRANAT/WATCH Catalog of Cosmic Gamma-Ray
Bursts | 26 pages, plus 25 gif figures; submitted to the Astrophysical Journal
Supplements | Astrophys.J.Suppl. 128 (2000) 549-560 | 10.1086/313400 | null | astro-ph | null | We present 3rd interplanetary network (IPN) localization data for 56
gamma-ray bursts in the GRANAT/ WATCH catalog which occurred between 1990
November and 1994 September. These localizations are obtained by triangulation
using various combinations of spacecraft in the IPN, which consisted of
Ulysses, BATSE, Pioneer ... | [
{
"created": "Mon, 3 Jan 2000 19:08:23 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Hurley",
"K.",
""
],
[
"Lund",
"N.",
""
],
[
"Brandt",
"S.",
""
],
[
"Barat",
"C.",
""
],
[
"Cline",
"T.",
""
],
[
"Sunyaev",
"R.",
""
],
[
"Terekhov",
"O.",
""
],
[
"Kuznetsov",
"A.",
""
... |
astro-ph/0001020 | J. A. Lopez | J.A. Lopez, J. Meaburn, L.F. Rodriguez, R. Vazquez, W. Steffen and M.
Bryce | HST/WFPC2 observations of the core of KjPn 8 | 4 pages, 1 figure. To appear in ``Asymmetrical Planetary Nebulae II:
from Origins to Microstructures'' ASP Conference Series, Vol. 199, 2000; J.H.
Kastner, N. Soker and S.A. Rappaport, eds | null | null | null | astro-ph | null | Narrow-band images of the core of the extraordinary poly-polar planetary
nebula KjPn 8 have been obtained with the WFPC2 camera on board the Hubble
Space Telescope. Spasmodic bipolar ejections, in changing directions have
occurred over thousands of years to create KjPn 8. The central star is finally
revealed in these... | [
{
"created": "Mon, 3 Jan 2000 19:42:35 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Lopez",
"J. A.",
""
],
[
"Meaburn",
"J.",
""
],
[
"Rodriguez",
"L. F.",
""
],
[
"Vazquez",
"R.",
""
],
[
"Steffen",
"W.",
""
],
[
"Bryce",
"M.",
""
]
] |
astro-ph/0001021 | Michiel R. Hogerheijde | Michiel R. Hogerheijde (1), Goeran Sandell (2) ((1) Radio Astronomy
Laboratory, Astronomy Department, University of California, Berkeley; (2)
NRAO Greenbank) | Testing envelope models of young stellar objects with submillimeter
continuum and molecular-line observation | 35 pages incl. 9 figures. Uses AAS LaTeX v5.0 and psfig | null | 10.1086/308795 | null | astro-ph | null | This paper examines the density and velocity structure of envelopes around
young stellar objects through submillimeter continuum imaging of four objects
in Taurus and previously obtained molecular-line data. Observations carried out
with the SCUBA on the JCMT at 850 and 450 micron of L1489 IRS, L1535 IRS, L1527
IRS, ... | [
{
"created": "Mon, 3 Jan 2000 20:10:38 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Hogerheijde",
"Michiel R.",
""
],
[
"Sandell",
"Goeran",
""
]
] |
astro-ph/0001022 | Joshua N. Winn | Catherine S. Trotter, Joshua N. Winn and Jacqueline N. Hewitt (MIT) | A multipole-Taylor expansion for the potential of gravitational lens MG
J0414+0534 | 44 pages, 5 figures, 11 tables, accepted for publication in ApJ | null | 10.1086/308861 | null | astro-ph | null | We employ a multipole-Taylor expansion to investigate how tightly the
gravitational potential of the quadruple-image lens MG J0414+0534 is
constrained by recent VLBI observations. These observations revealed that each
of the four images of the background radio source contains four distinct
components, thereby providi... | [
{
"created": "Mon, 3 Jan 2000 21:54:25 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Trotter",
"Catherine S.",
"",
"MIT"
],
[
"Winn",
"Joshua N.",
"",
"MIT"
],
[
"Hewitt",
"Jacqueline N.",
"",
"MIT"
]
] |
astro-ph/0001023 | Neal J. Evans II | Neal J. Evans II | Studies of Low-Mass Star Formation with ALMA | 10 pg., 4 figs | null | null | null | astro-ph | null | ALMA will revolutionize the study of star formation by providing a
combination of angular resolution and sensitivity that far exceeds that of
present instruments. I will focus on studies of relatively isolated cores that
are forming low-mass stars. There is a general paradigm for the formation of
such stars, and ther... | [
{
"created": "Mon, 3 Jan 2000 22:17:58 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Evans",
"Neal J.",
"II"
]
] |
astro-ph/0001024 | Carl Heiles | Carl Heiles, L.M. Haffner, R.J. Reynolds, S.L. Tufte | Physical Conditions, Grain Temperatures, and Enhanced Very Small Grains
in the Barnard Loop | 21 pages, 6 figures. Accepted by Astrophysical Journal | null | 10.1086/308935 | null | astro-ph | null | We derive the radio spectral index of the Barnard Loop (BL) from large-scale
radio surveys at four frequencies and find it to be a thermal source. We use
the radio data together with H-alpha data to determine the electron temperature
in BL, the lambda-Ori HII region, and a high-latitude filament; all of these
regions... | [
{
"created": "Mon, 3 Jan 2000 23:46:33 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Heiles",
"Carl",
""
],
[
"Haffner",
"L. M.",
""
],
[
"Reynolds",
"R. J.",
""
],
[
"Tufte",
"S. L.",
""
]
] |
astro-ph/0001025 | Qingjuan Yu | Scott Tremaine, Qingjuan Yu (Princeton University Observatory) | Resonant capture, counter-rotating disks, and polar rings | 10 pages, 6 figures, Latex. Submitted to MNRAS | Mon.Not.Roy.Astron.Soc. 319 (2000) 1 | 10.1046/j.1365-8711.2000.03653.x | null | astro-ph | null | We suggest that polar rings and/or counter-rotating disks in flattened
galaxies can be formed from stars captured at the Binney resonance, where the
rate of precession of the angular momentum vector of a disk star equals the
pattern speed of a triaxial halo. If the halo pattern speed is initially
retrograde and slowl... | [
{
"created": "Tue, 4 Jan 2000 00:15:10 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Tremaine",
"Scott",
"",
"Princeton University Observatory"
],
[
"Yu",
"Qingjuan",
"",
"Princeton University Observatory"
]
] |
astro-ph/0001026 | Deepto Chakrabarty | Deepto Chakrabarty (MIT), Michael J. Pivovaroff (MIT), Lars E.
Hernquist (CfA), Jeremy S. Heyl (CfA/Caltech), Ramesh Narayan (CfA) | The Central X-Ray Point Source in Cassiopeia A | 17 pages including 2 figs. To appear in ApJ, Vol. 546 (Jan 10, 2001).
Minor revisions per referee. Pulsation limits revised in light of HRC wiring
problem. Typos corrected | null | 10.1086/318994 | null | astro-ph | null | The spectacular first light observation by the Chandra X-Ray Observatory
revealed an X-ray point source near the center of the 300 yr old Cas A
supernova remnant. We present an analysis of the public X-ray spectral and
timing data. No coherent pulsations were detected in the Chandra/HRC data. The
3-sigma upper limit ... | [
{
"created": "Tue, 4 Jan 2000 00:16:35 GMT",
"version": "v1"
},
{
"created": "Tue, 29 Aug 2000 22:35:54 GMT",
"version": "v2"
},
{
"created": "Sun, 10 Sep 2000 16:01:02 GMT",
"version": "v3"
}
] | 2009-10-31 | [
[
"Chakrabarty",
"Deepto",
"",
"MIT"
],
[
"Pivovaroff",
"Michael J.",
"",
"MIT"
],
[
"Hernquist",
"Lars E.",
"",
"CfA"
],
[
"Heyl",
"Jeremy S.",
"",
"CfA/Caltech"
],
[
"Narayan",
"Ramesh",
"",
"CfA"
]
] |
astro-ph/0001027 | Enrique Vazquez-Semadeni | Enrique V\'azquez-Semadeni, Adriana Gazol (Instituto de Astronomia,
UNAM) and John Scalo (U. of Texas) | Is Thermal Instability Significant in Turbulent Galactic Gas? | 18 pages, 11 figures. Submitted to ApJ | null | 10.1086/309318 | null | astro-ph | null | We investigate numerically the role of thermal instability (TI) as a
generator of density structures in the interstellar medium (ISM), both by
itself and in the context of a globally turbulent medium. Simulations of the
instability alone show that the condenstion process which forms a dense phase
(``clouds'') is high... | [
{
"created": "Tue, 4 Jan 2000 02:56:40 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Vázquez-Semadeni",
"Enrique",
"",
"Instituto de Astronomia,\n UNAM"
],
[
"Gazol",
"Adriana",
"",
"Instituto de Astronomia,\n UNAM"
],
[
"Scalo",
"John",
"",
"U. of Texas"
]
] |
astro-ph/0001028 | Fan Junhui | J.H. Fan (CfA, Gnu, Cas-Pku.Bac) and R.G. Lin (CfA, Gnu) | The variability analysis of PKS 2155-304 | 11 pages, 4 figures, A&A (accepted) | null | null | null | astro-ph | null | In this paper, the post-1977 photometric observations of PKS 2155-304 are
compiled and used to discuss the variation periodicity. Largest amplitude
variations ($\Delta U = 1^{m}.5$; $\Delta B = 1^{m}.65$;
$\Delta V = 1^{m}.85 $; $\Delta R = 1^{m}.25$; $\Delta I = 1^{m}.14 $) and
color indices ($(B-V) = 0.30\pm 0.06... | [
{
"created": "Tue, 4 Jan 2000 06:55:17 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Fan",
"J. H.",
"",
"CfA, Gnu, Cas-Pku.Bac"
],
[
"Lin",
"R. G.",
"",
"CfA, Gnu"
]
] |
astro-ph/0001029 | Fan Junhui | J.H. Fan (CfA, Gnu, Cas-Pku.Bac) | Long-term Variability Properties and Periodicity Analysis for Blazars | 10 pages, 2 table, no figure, a proceeding paper for Pacific Rim
Conference on Stellar Astrophysics, Aug. 1999, HongKong, China | null | 10.1007/978-94-010-0878-5_38 | null | astro-ph | null | In this paper, the compiled long-term optical and infrared measurements of
some blazars are used to analyze the variation properties and the optical data
are used to search for periodicity evidence in the lightcurve by means of the
Jurkevich technique and the discrete correlation function (DCF) method.
Following peri... | [
{
"created": "Tue, 4 Jan 2000 08:29:59 GMT",
"version": "v1"
}
] | 2016-01-27 | [
[
"Fan",
"J. H.",
"",
"CfA, Gnu, Cas-Pku.Bac"
]
] |
astro-ph/0001030 | Roberto Della Ceca | R. Della Ceca, T. Maccacaro, P. Rosati, and V. Braito | A Hard Medium Survey with ASCA. III.: a Type 2 AGN revealed from X-ray
Spectroscopy | 8 pages, 6 figures, Latex manuscript, Accepted for publication in the
Astronomy and Astrophysics - Main Journal | null | null | null | astro-ph | null | In this paper we report the discovery of an hard X-ray selected Type 2
Seyfert galaxy and we present and discuss its X-ray and optical spectrum
together with the radio to X-ray energy distribution. The X-ray source -
AXJ2254+1146 - is part of the ASCA Hard Serendipitous Survey (HSS). What makes
this discovery particu... | [
{
"created": "Tue, 4 Jan 2000 10:45:13 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Della Ceca",
"R.",
""
],
[
"Maccacaro",
"T.",
""
],
[
"Rosati",
"P.",
""
],
[
"Braito",
"V.",
""
]
] |
astro-ph/0001031 | Robert Lucas | Robert Lucas (1), Pierre Cox (2) and Patrick J. Huggins (3) ((1)
Institut de RadioAstronomie Millimetrique, (2) Institut d'Astrophysique
Spatiale, (3) Physics Department, New York University) | Multiple Outflows in AFGL 2688 | To appear in ``Asymmetrical Planetary Nebulae II: from Origins to
Microstructures,'' ASP Conference Series, Vol. 199, 2000; J.H. Kastner, N.
Soker, & S.A. Rappaport, eds | null | null | null | astro-ph | null | We present high resolution (1.1x0.9'') imaging of the proto-planetary nebula
AFGL 2688 in the CO (J=2-1) line using the IRAM interferometer. The
observations reveal with unprecedented detail the structure and the kinematics
of the gas ejected by the star over the past few hundred years and exemplify
the mechanism by ... | [
{
"created": "Tue, 4 Jan 2000 11:00:43 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Lucas",
"Robert",
""
],
[
"Cox",
"Pierre",
""
],
[
"Huggins",
"Patrick J.",
""
]
] |
astro-ph/0001032 | Richard Hook | Richard N. Hook, Ethan J. Schreier and George Miley | Limits on the Spatial Extent of AGN Measured with the Fine Guidance
Sensors of the HST | 33 pages, 24 figures, 6 tables, accepted for publication in the
Astrophysical Journal | null | null | null | astro-ph | null | The optical structure of several AGN has been studied using the Fine Guidance
Sensors (FGS) on the Hubble Space Telescope (HST). The FGSs are interferometric
devices which can resolve structure on scales of 20 milliarcsecs or less and
hence have the potential to improve on the resolution attainable by HST's
cameras. ... | [
{
"created": "Tue, 4 Jan 2000 11:44:39 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Hook",
"Richard N.",
""
],
[
"Schreier",
"Ethan J.",
""
],
[
"Miley",
"George",
""
]
] |
astro-ph/0001033 | Sergei A. Trushkin | S.A. Trushkin (SAO RAS, Russia) | Radio emission of the Galactic X-rays binaries with relativistic jets | 10 pages, LaTeX, 14 Postscript figures, talk given at the Gamov
Memorial International Conference (GMIC'99) "Early Universe: Cosmological
Problems and Instrumental Technologies" in St.Petersburg, 23-27 August, 1999,
to appear in Astron. Astrophys. Trans., 2000 | null | 10.1080/10556790008238598 | SAO 99-T | astro-ph | null | Variable non-thermal radio emission from Galactic X-ray binaries is a trace
of relativistic jets, created near accretion disks. The spectral
characteristics of a lot of radio flares in the X-ray binaries with jets (RJXB)
is discussed in this report. We carried out several long daily monitoring
programs with the RATAN... | [
{
"created": "Tue, 4 Jan 2000 14:21:35 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Trushkin",
"S. A.",
"",
"SAO RAS, Russia"
]
] |
astro-ph/0001034 | R. L. J. van der Meer | A. C. Brinkman, C. J. T. Gunsing, J. S. Kaastra, R. L. J. van der
Meer, R. Mewe, F. Paerels, A. J. J. Raassen, J. J. van Rooijen (SRON), H.
Br\"auninger, W. Burkert, V. Burwitz, G. Hartner, P. Predehl (MPE), J.-U.
Ness, J. H. M. M. Schmitt (Uni Hamburg), J. J. Drake, O. Johnson, M. Juda, V.
Kashyap, S. S. Murra... | First Light Measurements of Capella with the Low Energy Transmission
Grating Spectrometer aboard the Chandra X-ray Observatory | 4 pages (ApJ letter LaTeX), 2 PostScript figures, accepted for
publication in ApJ Letters, 2000 | null | 10.1086/312504 | null | astro-ph | null | We present the first X-ray spectrum obtained by the Low Energy Transmission
Grating Spectrometer (LETGS) aboard the Chandra X-ray Observatory. The spectrum
is of Capella and covers a wavelength range of 5-175 A (2.5-0.07 keV). The
measured wavelength resolution, which is in good agreement with ground
calibration, is ... | [
{
"created": "Tue, 4 Jan 2000 15:03:31 GMT",
"version": "v1"
}
] | 2016-08-15 | [
[
"Brinkman",
"A. C.",
"",
"SRON"
],
[
"Gunsing",
"C. J. T.",
"",
"SRON"
],
[
"Kaastra",
"J. S.",
"",
"SRON"
],
[
"van der Meer",
"R. L. J.",
"",
"SRON"
],
[
"Mewe",
"R.",
"",
"SRON"
],
[
"Paerels",
"F.",
... |
astro-ph/0001035 | Herpin | F. Herpin (Dept Fisica Molecular, I.E.M., C.S.I.C., Madrid, Spain),
and J. Cernicharo (same address) | O-bearing Molecules in Carbon-rich Proto-Planetary Objects | 16 pages, 3 figures, accepted in Astrophys. Journal Letters | null | 10.1086/312507 | null | astro-ph | null | We present ISO LWS observations of the proto-planetary nebula CRL 618, a star
evolving very fast to the planetary nebula stage. In addition to the lines of
12CO, 13CO, HCN and HNC, we report on the detection of H2O and OH emission
together with the fine structure lines of [OI] at 63 and 145 um. The abundance
of the l... | [
{
"created": "Tue, 4 Jan 2000 15:23:16 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Herpin",
"F.",
"",
"Dept Fisica Molecular, I.E.M., C.S.I.C., Madrid, Spain"
],
[
"Cernicharo",
"J.",
"",
"same address"
]
] |
astro-ph/0001036 | Martin Kerscher | Claus Beisbart, Martin Kerscher (University of Munich) | On Luminosity and morphology segregation in the Southern Sky Redshift
Survey 2 | O pages, superceeded by arXiv:astro-ph/0003358 | null | null | null | astro-ph | null | The results are still valid, however this letter is superceeded by a
significantly extended version which is available at astro-ph/0003358 and is
scheduled for publication in the ApJ Dec. 10, 2000. We have withdrawn this
letter to avoid confusion.
| [
{
"created": "Tue, 4 Jan 2000 15:26:14 GMT",
"version": "v1"
},
{
"created": "Tue, 17 Oct 2000 16:04:12 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Beisbart",
"Claus",
"",
"University of Munich"
],
[
"Kerscher",
"Martin",
"",
"University of Munich"
]
] |
astro-ph/0001037 | Andrea Comastri | A. Comastri, F. Fiore, C. Vignali, F. La Franca, G. Matt | The BeppoSAX High Energy Large Area Survey (HELLAS): a progress Report | Invited talk, to appear in the Proceedings of the Conference: ``Large
Scale Structure in the X-ray Universe" Santorini, Greece, 20-22 September
1999, 8 pages, 4 figures. Added references | null | null | null | astro-ph | null | The integrated emission of highly obscured AGN is expected to provide a major
contribution to the X-ray energy density in the Universe: the X-ray background
(XRB). The study of these objects is possible only at energies where the
effects of absorption are less severe. For this reason we have carried out the
BeppoSAX ... | [
{
"created": "Tue, 4 Jan 2000 15:53:10 GMT",
"version": "v1"
},
{
"created": "Mon, 10 Jan 2000 13:42:48 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Comastri",
"A.",
""
],
[
"Fiore",
"F.",
""
],
[
"Vignali",
"C.",
""
],
[
"La Franca",
"F.",
""
],
[
"Matt",
"G.",
""
]
] |
astro-ph/0001038 | Riccardo Valdarnini | R.Valdarnini, S. Ghizzardi, S. Bonometto | Morphological evolution of X-ray clusters using hydrodynamical
simulations | 4 pages, To appear in "LSS in the X-ray Universe", Santorini 20-22
September 1999 | null | null | null | astro-ph | null | A large set of TREESPH simulations is used to test the global morphology of
galaxy clusters and its evolution against X-ray data. A powerful method to
investigate substructures in galaxy clusters are the power ratios introduced by
Buote & Tsai. We consider three flat cosmological models: CDM,
LCDM($\Omega_\Lambda = 0... | [
{
"created": "Tue, 4 Jan 2000 16:08:51 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Valdarnini",
"R.",
""
],
[
"Ghizzardi",
"S.",
""
],
[
"Bonometto",
"S.",
""
]
] |
astro-ph/0001039 | Subrata Pal | Subrata Pal, Debades Bandyopadhyay and Walter Greiner | Antikaon condensation in neutron stars | 34 pages;13 figs;Revtex; change of title; a figure added; version to
appear in Nucl. Phys. A | Nucl.Phys. A674 (2000) 553-577 | 10.1016/S0375-9474(00)00175-5 | null | astro-ph nucl-th | null | We investigate the condensation of charged $K^-$ meson and neutral $\bar K^0$
meson in dense neutron star matter. Calculations are performed in relativistic
mean field models in which both the baryon-baryon and (anti)kaon-baryon
interactions are mediated by meson exchange. It is found that $\bar K^0$
condensation is ... | [
{
"created": "Tue, 4 Jan 2000 16:50:32 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Mar 2000 14:02:57 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Pal",
"Subrata",
""
],
[
"Bandyopadhyay",
"Debades",
""
],
[
"Greiner",
"Walter",
""
]
] |
astro-ph/0001040 | Elizabeth J. Barton | Sidney van den Bergh (DAO/HIA/NRC) | Updated Information on the Local Group | 19 pages, 1 figure, to be published in the April 2000 issue of PASP | Publ.Astron.Soc.Pac.112:529-536,2000 | 10.1086/316548 | null | astro-ph | null | The present note updates the information published in my recent monograph on
\underline{The Galaxies of the Local Group}. Highlights include (1) the
addition of the newly discovered Cetus dwarf spheroidal as a certain member of
the Local Group, (2) an improved distance for SagDIG, which now places this
object very cl... | [
{
"created": "Tue, 4 Jan 2000 17:51:48 GMT",
"version": "v1"
}
] | 2010-11-09 | [
[
"Bergh",
"Sidney van den",
"",
"DAO/HIA/NRC"
]
] |
astro-ph/0001041 | Roman Juszkiewicz | R. Juszkiewicz, P.G. Ferreira, H.A. Feldman, A.H. Jaffe, M. Davis | Evidence for a low-density Universe from the relative velocities of
galaxies | 12 pages, 2 figures, to appear in the Jan.7 issue of ``Science''; In
the original version, the title appeared twice. This problem has now been
corrected. No other changes were made | Science 287 (2000) 109-112 | 10.1126/science.287.5450.109 | null | astro-ph | null | The motions of galaxies can be used to constrain the cosmological density
parameter Omega and the clustering amplitude of matter on large scales. The
mean relative velocity of galaxy pairs, estimated from the Mark III survey,
indicates that Omega = 0.35 +0.35/-0.25. If the clustering of galaxies is
unbiased on large ... | [
{
"created": "Tue, 4 Jan 2000 18:17:05 GMT",
"version": "v1"
},
{
"created": "Wed, 5 Jan 2000 13:59:33 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Juszkiewicz",
"R.",
""
],
[
"Ferreira",
"P. G.",
""
],
[
"Feldman",
"H. A.",
""
],
[
"Jaffe",
"A. H.",
""
],
[
"Davis",
"M.",
""
]
] |
astro-ph/0001042 | Mir Abbas Jalali | M. A. Jalali and A. R. Rafiee | Eccentric Stellar Discs with Strong Density Cusps and Separable
Potentials | 5 pages, submitted to MNRAS | null | null | null | astro-ph | null | We introduce a class of eccentric discs with "strong" density cusps whose
potentials are of St\"ackel form in elliptic coordinates. Our models exhibit
some striking features: sufficiently close to the location of the cusp, the
potential and surface density distribution diverge as $\Phi \propto r^{-1}$ and
$\Sigma \pr... | [
{
"created": "Tue, 4 Jan 2000 19:10:34 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Jalali",
"M. A.",
""
],
[
"Rafiee",
"A. R.",
""
]
] |
astro-ph/0001043 | Vera Ellinger Margoniner | V. E. Margoniner & R. R. de Carvalho | Photometric Properties of 47 Clusters of Galaxies: I. The Butcher-Oemler
Effect | 35 pages including 8 figures, submitted to AJ | null | 10.1086/301318 | null | astro-ph | null | We present gri CCD photometry of 44 Abell clusters and 4 cluster candidates.
Twenty one clusters in our sample have spectroscopic redshifts. Fitting a
relation between mean g, r and i magnitudes, and redshift for this subsample,
we have calculated photometric redshifts for the remainder with an estimated
accuracy of ... | [
{
"created": "Tue, 4 Jan 2000 23:36:38 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Margoniner",
"V. E.",
""
],
[
"de Carvalho",
"R. R.",
""
]
] |
astro-ph/0001044 | Richard J. Rand | Richard J. Rand | Interferometric 12CO Observations of the Central Disk of NGC 4631: An
Energetic Molecular Outflow | Accepted for publication in The Astrophysical Journal. LaTex
manuscript 12 pages, 7 ps files of figures. Also available at
http://www.phys.unm.edu/~rjr/rjrhome.html | null | 10.1086/308869 | null | astro-ph | null | We present interferometric observations of CO J=1-0 emission in the central
regions of the edge-on galaxy NGC 4631, known for its extended gaseous halo and
its tidal interactions. Previous single-dish observations revealed that almost
all of the CO emission arises from a central ring or bar-like structure of
length $... | [
{
"created": "Wed, 5 Jan 2000 00:03:20 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Rand",
"Richard J.",
""
]
] |
astro-ph/0001045 | Marc Kamionkowski | Marc Kamionkowski and Ari Buchalter | The Second Peak: The Dark-Energy Density and the Cosmic Microwave
Background | 4 pages, 3 PostScript figures | null | null | CALT-68-2253 | astro-ph hep-ph | null | Supernova evidence for a negative-pressure dark energy (e.g., cosmological
constant or quintessence) that contributes a fraction $\Omega_\Lambda\simeq0.7$
of closure density has been bolstered by the discrepancy between the total
density, $\Omega_{\rm tot}\simeq1$, suggested by the location of the first peak
in the c... | [
{
"created": "Wed, 5 Jan 2000 00:04:50 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Kamionkowski",
"Marc",
""
],
[
"Buchalter",
"Ari",
""
]
] |
astro-ph/0001046 | Motokazu Takizawa | Motokazu Takizawa (Univ. of Tokyo), Tsuguya Naito (Yamanashi Gakuin
Univ.) | Non-Thermal Emission from Relativistic Electrons in Clusters of
Galaxies: A Merger Shock Acceleration Model | 19 pages, 5 figures, accepted for publication in ApJ | null | 10.1086/308894 | Kyoto 99-19 | astro-ph | null | We have investigated evolution of non-thermal emission from relativistic
electrons accelerated at around the shock fronts during merger of clusters of
galaxies. We estimate synchrotron radio emission and inverse Compton scattering
of cosmic microwave background photons from extreme ultraviolet (EUV) to hard
X-ray ran... | [
{
"created": "Wed, 5 Jan 2000 04:30:31 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Takizawa",
"Motokazu",
"",
"Univ. of Tokyo"
],
[
"Naito",
"Tsuguya",
"",
"Yamanashi Gakuin\n Univ."
]
] |
astro-ph/0001047 | Hiroshi Muraishi | H. Muraishi, T. Tanimori, S. Yanagita, T. Yoshida, M. Moriya, T.
Kifune, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, T. Hara, A. Kawachi,
H. Kubo, Y. Matsubara, Y. Mizumoto, M. Mori, Y. Muraki, T. Naito, K.
Nishijima, J. R. Patterson, G. P. Rowell, T. Sako, K. Sakurazawa, R.
Susukita, T. Tamura, and T. Yos... | Evidence for TeV gamma-ray emission from the shell type SNR
RXJ1713.7-3946 | Accepted for publication by Astronomy and Astrophysics (5 pages, 2
figures) | null | null | null | astro-ph | null | We report the results of TeV gamma-ray observations of the shell type SNR
RXJ1713.7-3946 (G347.3-0.5). The discovery of strong non-thermal X-ray emission
from the northwest part of the remnant strongly suggests the existence of
electrons with energies up to 100 TeV in the remnant, making the SNR a good
candidate TeV ... | [
{
"created": "Wed, 5 Jan 2000 05:31:25 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Muraishi",
"H.",
""
],
[
"Tanimori",
"T.",
""
],
[
"Yanagita",
"S.",
""
],
[
"Yoshida",
"T.",
""
],
[
"Moriya",
"M.",
""
],
[
"Kifune",
"T.",
""
],
[
"Dazeley",
"S. A.",
""
],
[
"Edwards",
"P. ... |
astro-ph/0001048 | Penny D. Sackett | Penny D. Sackett | The 24-Hour Night Shift: Astronomy from Microlensing Monitoring Networks | Invited Targeted Talk at ``Gravitational Lensing: Recent Progress and
Future Goals,'' 28 July 1999, Boston. To appear in the ASP Conference Series,
eds. T.G. Brainerd and C.S. Kochanek. 8 postscript pages, LaTex requires
paspconf.sty | null | null | null | astro-ph | null | Scores of on-going microlensing events are now announced yearly by the
microlensing discovery teams OGLE, MACHO and EROS. These early warning systems
have allowed other international microlensing networks to focus considerable
resources on intense photometric - and occasionally spectroscopic - monitoring
of microlens... | [
{
"created": "Wed, 5 Jan 2000 05:42:54 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Sackett",
"Penny D.",
""
]
] |
astro-ph/0001049 | Peter Nugent | Greg Aldering, Robert Knop and Peter Nugent | The Rise Times of High and Low Redshift Type Ia Supernovae are
Consistent | 18 pages, 4 figures, Accepted for publication in the Astronomical
Journal. Also available at http://www.lbl.gov/~nugent/papers.html Typos were
corrected and a few sentences were added for improved clarity | null | 10.1086/301344 | LBNL-44232 | astro-ph | null | We present a self-consistent comparison of the rise times for low- and
high-redshift Type Ia supernovae. Following previous studies, the early light
curve is modeled using a t-squared law, which is then mated with a modified
Leibundgut template light curve. The best-fit t-squared law is determined for
ensemble sample... | [
{
"created": "Wed, 5 Jan 2000 07:29:54 GMT",
"version": "v1"
},
{
"created": "Sat, 29 Jan 2000 16:25:09 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Aldering",
"Greg",
""
],
[
"Knop",
"Robert",
""
],
[
"Nugent",
"Peter",
""
]
] |
astro-ph/0001050 | Fumihide Iwamuro | F. Iwamuro, K. Motohara, T. Maihara, J. Iwai, H. Tanabe, T. Taguchi,
R. Hata, H. Terada, M. Goto, S. Oya, M. Iye, M. Yoshida, H. Karoji, R.
Ogasawara, K. Sekiguchi | Near-infrared emission-line galaxies in the Hubble Deep Field North | 12 pages, 7 figures. Accepted for publication in PASJ(2000) | null | 10.1093/pasj/52.1.73 | null | astro-ph | null | We present the 2.12~$\mu$m narrow-band image of the Hubble Deep Field North
taken with the near-infrared camera (CISCO) on the Subaru telescope. Among five
targets whose H$\alpha$ or [O~{\sc iii}] emission lines are redshifted into our
narrow-band range expected from their spectroscopic redshift, four of them have
st... | [
{
"created": "Wed, 5 Jan 2000 08:10:20 GMT",
"version": "v1"
},
{
"created": "Fri, 7 Jan 2000 06:19:49 GMT",
"version": "v2"
},
{
"created": "Mon, 24 Jan 2000 03:58:16 GMT",
"version": "v3"
}
] | 2015-06-24 | [
[
"Iwamuro",
"F.",
""
],
[
"Motohara",
"K.",
""
],
[
"Maihara",
"T.",
""
],
[
"Iwai",
"J.",
""
],
[
"Tanabe",
"H.",
""
],
[
"Taguchi",
"T.",
""
],
[
"Hata",
"R.",
""
],
[
"Terada",
"H.",
""
... |
astro-ph/0001051 | Fumihide Iwamuro | F. Iwamuro, K. Motohara, T. Maihara, J. Iwai, H. Tanabe, T. Taguchi,
R. Hata, T. Terada, M. Goto, S. Oya, Subaru project team | Infrared Imaging of the Gravitational Lens PG 1115+080 with the Subaru
Telescope | 11 pages, 6 figures. Accepted for publication in PASJ(2000) | null | 10.1093/pasj/52.1.25 | null | astro-ph | null | We present high spatial resolution images of the gravitational-lens system PG
1115+080 taken with the near-infrared camera (CISCO) on the Subaru telescope.
The FWHM of the combined image is $0.''32$ in the $K'$-band, yielding spatial
resolution of $0.''14$ after a deconvolution procedure. This is a first
detection of... | [
{
"created": "Wed, 5 Jan 2000 08:40:24 GMT",
"version": "v1"
}
] | 2015-06-24 | [
[
"Iwamuro",
"F.",
""
],
[
"Motohara",
"K.",
""
],
[
"Maihara",
"T.",
""
],
[
"Iwai",
"J.",
""
],
[
"Tanabe",
"H.",
""
],
[
"Taguchi",
"T.",
""
],
[
"Hata",
"R.",
""
],
[
"Terada",
"T.",
""
... |
astro-ph/0001052 | Eleonore Paul | Alfred Krabbe, Bruce J. Sams III, Reinhard Genzel, Niranjan Thatte,
Francisco Prada | Near infrared imaging spectroscopy of NGC1275 | 16 pages, LaTex, 15 gif figures, aa.cls required, accepted for A&A,
high resolution images at http://astro1.ws.ba.dlr.de | null | null | null | astro-ph | null | We present H and K band imaging spectroscopy of the core regions of the
cD/AGN galaxy NGC1275. The spectra, including lines from H2, H, 12CO bandheads,
[FeII], and [FeIII], are exploited to constrain the star formation and
excitation mechanisms in the galaxy's nucleus. The near-infrared properties can
largely be acco... | [
{
"created": "Wed, 5 Jan 2000 08:42:54 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Krabbe",
"Alfred",
""
],
[
"Sams",
"Bruce J.",
"III"
],
[
"Genzel",
"Reinhard",
""
],
[
"Thatte",
"Niranjan",
""
],
[
"Prada",
"Francisco",
""
]
] |
astro-ph/0001053 | C. C. Popescu | Cristina C. Popescu, Richard J. Tuffs, Joerg Fischera, Heinrich Voelk
(MPIK Heidelberg) | On the FIR emission from intracluster dust | 19 pages, accepted for publication in Astronomy and Astrophysics | null | null | null | astro-ph | null | We make predictions for the diffuse far-infrared (FIR) emission from dust in
the intracluster medium (ICM) of the Virgo cluster using detailed information
on potential dust sources, grain heating and sputtering rates available for
this cluster from recent optical and X-ray studies. We show that the infrared
emission ... | [
{
"created": "Wed, 5 Jan 2000 09:36:37 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Popescu",
"Cristina C.",
"",
"MPIK Heidelberg"
],
[
"Tuffs",
"Richard J.",
"",
"MPIK Heidelberg"
],
[
"Fischera",
"Joerg",
"",
"MPIK Heidelberg"
],
[
"Voelk",
"Heinrich",
"",
"MPIK Heidelberg"
]
] |
astro-ph/0001054 | Ulrich Hopp | U. Hopp, D. Engels, R.F. Green, A.V. Ugryumov, Y.I. Izotov, H.-J.
Hagen, A.Y. Kniazev, V.A. Lipovetsky, S.A. Pustilnik, N. Brosch, J. Masegosa,
J.-M. M artin, I. M'arquez | The Hamburg/SAO Survey for Emission-Line Galaxies. III. The Third List
of 81 Galaxies | A&A latex file with 8 tables and one figure. Astron. Astrophys.
Suppl. accepted 2000 | null | 10.1051/aas:2000162 | null | astro-ph | null | We present the third list with results {Tables 2 to 6 are available only in
electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr
(130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html. Figures A1 to
A9 will be made available only in the electronic version of the journal.} of
the Hamburg/SAO Sur... | [
{
"created": "Wed, 5 Jan 2000 11:37:56 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Hopp",
"U.",
""
],
[
"Engels",
"D.",
""
],
[
"Green",
"R. F.",
""
],
[
"Ugryumov",
"A. V.",
""
],
[
"Izotov",
"Y. I.",
""
],
[
"Hagen",
"H. -J.",
""
],
[
"Kniazev",
"A. Y.",
""
],
[
"Lipovetsky",
... |
astro-ph/0001055 | Leonid Piyugin | L.S. Pilyugin (Main Astron. Obs. of Nat. Academy of Sc. of Ukraine),
F.Ferrini (University of Pisa, Italy) | The oxygen abundance deficiency in irregular galaxies | 8 pages, 7 figures, accepted for publication in Astronomy and
Astrophysics | New Astron.Rev. 44 (2000) 335-339 | 10.1016/S1387-6473(00)00057-9 | null | astro-ph | null | The observed oxygen abundances in a number of irregular galaxies have been
compared with predictions of the closed-box model of chemical and photometric
evolution of galaxies. Oxygen is found to be deficient with respect to the
predicted abundances. This is an indicator in favor of loss of heavy elements
via galactic... | [
{
"created": "Wed, 5 Jan 2000 12:04:57 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Pilyugin",
"L. S.",
"",
"Main Astron. Obs. of Nat. Academy of Sc. of Ukraine"
],
[
"Ferrini",
"F.",
"",
"University of Pisa, Italy"
]
] |
astro-ph/0001056 | Annalisa Celotti | Annalisa Celotti (1) and Roger D. Blandford (2) ((1) SISSA, Trieste,
Italy, (2) Caltech, Pasadena, USA) | On the Formation of Jets | 10 pages, Springer-Verlag LaTex style. To appear in Proc. ESO
Workshop on "Black Holes in Binaries and Galactic Nuclei", Garching (Sept.
1999), L. Kaper, E.P.J. van den Heuvel, P.A. Woudt eds., Springer-Verlag | null | 10.1007/10720995_43 | null | astro-ph | null | The phenomenology of jets associated with a variety of black hole systems is
summarized, emphasizing the constraints imposed on their origin. Models of jet
formation are reviewed, focusing in particular on recent ideas concerning MHD
models. Finally, the potential for advancing our understanding of jets both
through ... | [
{
"created": "Wed, 5 Jan 2000 12:30:38 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Celotti",
"Annalisa",
""
],
[
"Blandford",
"Roger D.",
""
]
] |
astro-ph/0001057 | Leonid Piyugin | L.S. Pilyugin (Main Astron. Obs. of Nat. Academy of Sc. of Ukraine),
F.Ferrini (University of Pisa, Italy) | On the origin of the luminosity - metallicity relation for late-type
galaxies: Spirals to irregulars transition | 5 pages, 4 figures, accepted for publication in Astronomy and
Astrophysics | Astrophys.Space Sci. 277 (2001) 441-444 | null | null | astro-ph | null | We consider the roles of two widely invoked mechanisms for the
metallicity-luminosity correlation among late-type galaxies: higher astration
level and decreasing efficiency of heavy-element loss with increasing
luminosity. We find that both mechanisms contribute about equally to the range
in oxygen abundance between ... | [
{
"created": "Wed, 5 Jan 2000 12:32:39 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Pilyugin",
"L. S.",
"",
"Main Astron. Obs. of Nat. Academy of Sc. of Ukraine"
],
[
"Ferrini",
"F.",
"",
"University of Pisa, Italy"
]
] |
astro-ph/0001058 | Cecile Gry | Edward B. Jenkins, Cecile Gry, Olivier Dupin | Electron densities, temperatures and ionization rates in two
interstellar clouds in front of beta Canis Majoris, as revealed by UV
absorption lines observed with IMAPS | 17 pages, 2 figures, to be published in Astronomy & Astrophysics | Astron. Astrophys. 354,253 (2000) | null | null | astro-ph | null | The spectrum of beta CMa (Mirzam) between 1000 and 1200 A was recorded at a
wavelength resolving power ~ 60 000 by the Interstellar Medium Absorption
Profile Spectrograph (IMAPS) during its orbital flight on the ORFEUS-SPAS II
mission in 1996. New information about interstellar absorption lines of CII,
CII*, NI and O... | [
{
"created": "Wed, 5 Jan 2000 12:43:37 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Jenkins",
"Edward B.",
""
],
[
"Gry",
"Cecile",
""
],
[
"Dupin",
"Olivier",
""
]
] |
astro-ph/0001059 | Gurin | Alexander M. Ilyanok | Quantum Astronomy. Part II | in Russian, 29 pages | Vesti of the Institute of Modern Knowledge, 1999, vol. 2-3,
p.71-102 | null | null | astro-ph | null | A new method of fundamental quantum data sampling on basis of an optimum
measuring scale has been designed. The method was applied for minimization of
redundant experimental data in different fields of physics. Basing of this
method there has been found the laws of binding electromagnetic, strong and
gravitational in... | [
{
"created": "Wed, 5 Jan 2000 13:48:39 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Ilyanok",
"Alexander M.",
""
]
] |
astro-ph/0001060 | Maria Rosa Zapatero Osorio | Ya. Pavlenko (MAO, Ukraine), M. R. Zapatero Osorio, R. Rebolo (IAC,
Spain) | On the Interpretation of the Optical Spectra of L-type Dwarfs | Accepted for publication in A&A. 12 pages (figures included) | null | null | null | astro-ph | null | We present synthetic optical spectra in the range 640-930 nm of a sample of
field L dwarfs and the brown dwarf GL229B. Our computations show that Li, Na,
K, Rb, and Cs govern the spectra of these objects, with Na and K contributing
significantly to block the optical emergent radiation. Molecular absorptions of
TiO, V... | [
{
"created": "Wed, 5 Jan 2000 14:42:00 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Pavlenko",
"Ya.",
"",
"MAO, Ukraine"
],
[
"Osorio",
"M. R. Zapatero",
"",
"IAC,\n Spain"
],
[
"Rebolo",
"R.",
"",
"IAC,\n Spain"
]
] |
astro-ph/0001061 | Ofer Lahav | Ofer Lahav (Institute of Astronomy, Cambridge, UK) | Observational Tests for the Cosmological Principle and World Models | Review talk, to appear in the proceedings of the NATO ASI `Structure
Formation in the Universe', Isaac Newton Institute, Cambridge, July 1999, ed.
R. Crritenden & N, Turok. Kluwer; 12 pages Latex, with 3 embedded figures.
Uses crckapb.sty | null | null | null | astro-ph | null | We review observational tests for the homogeneity of the Universe on large
scales. Redshift and peculiar velocity surveys, radio sources, the X-Ray
Background, the Lyman-$\alpha$ forest and the Cosmic Microwave Background are
used to set constraints on inhomogeneous models and in particular on
fractal-like models.
... | [
{
"created": "Wed, 5 Jan 2000 14:44:20 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Lahav",
"Ofer",
"",
"Institute of Astronomy, Cambridge, UK"
]
] |
astro-ph/0001062 | Zlatan Tsvetanov | SDSS Collaboration, Zlatan I. Tsvetanov, et al | The Discovery of a Second Field Methane Brown Dwarf from Sloan Digital
Sky Survey Commissioning Data | 9 pages, 3 figures, AASTeX, to appear in ApJ Letters, authors list
updated | Astrophys.J.531:L61-L65,2000 | 10.1086/312515 | null | astro-ph | null | We report the discovery of a second field methane brown dwarf from the
commissioning data of the Sloan Digital Sky Survey (SDSS). The object, SDSS
J134646.45-003150.4 (SDSS 1346-00), was selected because of its very red color
and stellar appearance. Its spectrum between 0.8-2.5 mic is dominated by strong
absorption b... | [
{
"created": "Wed, 5 Jan 2000 15:25:32 GMT",
"version": "v1"
},
{
"created": "Sun, 9 Jan 2000 19:57:41 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"SDSS Collaboration",
"",
""
],
[
"Tsvetanov",
"Zlatan I.",
""
]
] |
astro-ph/0001063 | Peter Kahabka | P. Kahabka (University of Bonn) | The nature of RXJ0052.1-7319 | 5 pages, accepted by A&A December 30th 1999 | null | null | null | astro-ph | null | The nature of the X-ray source RXJ0052.1-7319 is discussed from observational
data obtained from ROSAT observations performed in 1995 and 1996. An accurate
position is derived from ROSAT HRI observations performed in 1995. The 6" error
circle contains two OGLE microlensing optical variables of which one has
previousl... | [
{
"created": "Wed, 5 Jan 2000 15:40:17 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Kahabka",
"P.",
"",
"University of Bonn"
]
] |
astro-ph/0001064 | Rafael Garrido | Rafael Garrido (Instituto de Astrofisica de Andalucia, CSIC, Granada,
Spain) | Photometric modal discrimination in Delta Scuti and Gamma Doradus stars | 6th Vienna Workshop in Astrophysics on Delta Scuti and Related stars.
ASP Conference Series. M. Breger & M. Montgomery eds. 32 pages, 23 figures,
newpasp style | null | null | null | astro-ph | null | The potential of photometric methods for the identification of l, the degree
of spherical surface harmonic of a pulsating star, is investigated with special
emphasis on Stromgren photometry applied to delta Scuti and gamma Dor
variables. Limitations of actual model atmospheres when fine precision is
required for the ... | [
{
"created": "Wed, 5 Jan 2000 17:52:31 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Garrido",
"Rafael",
"",
"Instituto de Astrofisica de Andalucia, CSIC, Granada,\n Spain"
]
] |
astro-ph/0001065 | Alison Sills | Alison Sills, M. H. Pinsonneault, D. M. Terndrup (OSU) | The Angular Momentum Evolution of Very Low Mass Stars | To appear in the May 10, 2000 ApJ | Astrophys.J.534:335-347,2000 | 10.1086/308739 | null | astro-ph | null | We present theoretical models of the angular momentum evolution of very low
mass stars (0.1 - 0.5 M_sun) and solar analogues (0.6 - 1.1 M_sun). We
investigate the effect of rotation on the effective temperature and luminosity
of these stars. We find that the decrease in T_eff and L can be significant at
the higher en... | [
{
"created": "Wed, 5 Jan 2000 18:21:49 GMT",
"version": "v1"
}
] | 2009-07-28 | [
[
"Sills",
"Alison",
"",
"OSU"
],
[
"Pinsonneault",
"M. H.",
"",
"OSU"
],
[
"Terndrup",
"D. M.",
"",
"OSU"
]
] |
astro-ph/0001066 | Nick Gnedin | Nickolay Y. Gnedin, Andrea Ferrara, and Ellen G. Zweibel | Generation of the Primordial Magnetic Fields during Cosmological
Reionization | accepted for publication in ApJ. MPEG movies and color versions of
figures are available at
http://casa.colorado.edu/~gnedin/GALLERY/magfi_p.html | Astrophys.J. 539 (2000) 505-516 | 10.1086/309272 | null | astro-ph | null | We investigate the generation of magnetic field by the Biermann battery in
cosmological ionization fronts, using new simulations of the reionization of
the universe by stars in protogalaxies. Two mechanisms are primarily
responsible for magnetogenesis: i) the breakout of I-fronts from protogalaxies,
and ii) the propa... | [
{
"created": "Wed, 5 Jan 2000 19:26:13 GMT",
"version": "v1"
},
{
"created": "Thu, 23 Mar 2000 17:12:14 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Gnedin",
"Nickolay Y.",
""
],
[
"Ferrara",
"Andrea",
""
],
[
"Zweibel",
"Ellen G.",
""
]
] |
astro-ph/0001067 | Tigran G. Arshakian | T. G. Arshakian (1 and 2) and M. S. Longair (1) ((1) Cavendish
Laboratory, (2) Byurakan Observatory) | An asymmetric relativistic model for classical double radio sources | 16 pages LaTeX, including 10 figures. Accepted for publication in
MNRAS | null | 10.1046/j.1365-8711.2000.03098.x | null | astro-ph | null | There is substantial observational evidence against the symmetric
relativistic model of FRII radio sources. An asymmetric relativistic model is
proposed which takes account of both relativistic effects and
intrinsic/environmental asymmetries to explain the structural asymmetries of
their radio lobes. A key parameter ... | [
{
"created": "Wed, 5 Jan 2000 19:35:21 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Arshakian",
"T. G.",
"",
"1 and 2"
],
[
"Longair",
"M. S.",
""
]
] |
astro-ph/0001068 | Leo Alberto Girardi | L. Girardi, J.-C. Mermilliod, G. Carraro | On the peculiar red clump morphology in the open clusters NGC 752 and
NGC 7789 | 10 pages, 7 figures, accepted by Astronomy & Astrophysics | A&A 354, 892 | null | null | astro-ph | null | The red clump stars in the open cluster NGC 752 present a peculiar
distribution in the colour-magnitude diagran (CMD): the clump is observed to
present a faint extension, slightly to the blue of the main concentration of
clump stars. We point out that a similar structure is present in the CMD of NGC
7789, and discuss... | [
{
"created": "Wed, 5 Jan 2000 22:22:27 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Girardi",
"L.",
""
],
[
"Mermilliod",
"J. -C.",
""
],
[
"Carraro",
"G.",
""
]
] |
astro-ph/0001069 | Kate Y. L. Su | K. Y. L. Su, K. Volk and S. Kwok (University of Calgary) | 2-D Radiation Transfer Model of Non-Spherically Symmetric Dust Shell in
P roto-Planetary Nebulae | To appear in ``Asymmetrical Planetary Nebulae II: from Origins to
Microstructures,'' ASP Conference Series, Vol. 199, 2000; J.H. Kastner, N.
Soker, & S.A. Rappaport, eds | null | null | null | astro-ph | null | We have fitted the HST images and the spectral energy distributions (SEDs) of
three proto-planetary nebulae (PPN) with a 2-D radiation transfer model. The
geometric and mass loss properties of these PPN are also derived.
| [
{
"created": "Wed, 5 Jan 2000 21:02:15 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Su",
"K. Y. L.",
"",
"University of Calgary"
],
[
"Volk",
"K.",
"",
"University of Calgary"
],
[
"Kwok",
"S.",
"",
"University of Calgary"
]
] |
astro-ph/0001070 | F. H. Briggs | F.H. Briggs | Cold gas, the HI 21cm line and evolving galactic potentials | 8 pages, 2 figures. Invited review to appear in Proceedings of the
XIXth Recontres de Moriond, on "Building the Galaxies: from the Primordial
Universe to the Present," Editors F. Hammer, T.X. Thuan, V. Cayatte, B.
Guiderdoni and J. Tran Thanh Van, Editions Frontieres | null | null | null | astro-ph | null | Neutral hydrogen traces gravitational potentials. In the nearby universe,
21cm emission-line surveys show that the bulk of the HI resides in well-formed,
optically-luminous galaxies. At high redshift, 21cm line absorption against
background radio quasars occurs in gas-rich systems identified with the highest
HI colum... | [
{
"created": "Wed, 5 Jan 2000 21:59:42 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Briggs",
"F. H.",
""
]
] |
astro-ph/0001071 | Takashi Murayama | Takashi Murayama, Shingo Nishiura, Tohru Nagao, Yasunori Sato,
Yoshiaki Taniguchi, D. B. Sanders | Discovery of a Low Surface Brightness Object near Seyfert's Sextet | 4 pages, 3 figures, to appear in the April 2000 issue of The
Astronomical Journal | Astron.J. 119 (2000) 1691-1694 | 10.1086/301320 | null | astro-ph | null | We report the discovery of a low surface brightness (LSB) object
serendipitously found during deep CCD imaging of a compact group of galaxies,
Seyfert's Sextet, in VR and I bands. The LSB object is located 2.3 arcmin
southwest from the group center. Its surface brightness within the angular
effective radii of r_e(VR)... | [
{
"created": "Wed, 5 Jan 2000 22:57:25 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Murayama",
"Takashi",
""
],
[
"Nishiura",
"Shingo",
""
],
[
"Nagao",
"Tohru",
""
],
[
"Sato",
"Yasunori",
""
],
[
"Taniguchi",
"Yoshiaki",
""
],
[
"Sanders",
"D. B.",
""
]
] |
astro-ph/0001072 | Scott C. Trager | S. C. Trager (1), S. M. Faber (2), Guy Worthey (3), J. Jesus Gonzalez
(4) ((1) OCIW, (2) UCO/Lick Observatory, (3) St. Ambrose, (4) IA-UNAM) | The Stellar Population Histories of Local Early-Type Galaxies. I.
Population Parameters | Accepted to the Astronomical Journal, April 2000. 35 pages, 15
figures. Uses emulateapj.sty | Astron.J.119:1645-1676,2000 | 10.1086/301299 | null | astro-ph | null | We present single stellar population (SSP) equivalent ages, metallicities,
and abundance ratios for local elliptical galaxies derived from Hbeta, Mgb, and
<Fe> absorption line strengths. We use an extension of the Worthey (1994)
stellar population models that incorporates non-solar line-strength "response
functions" ... | [
{
"created": "Thu, 6 Jan 2000 02:21:49 GMT",
"version": "v1"
}
] | 2011-05-05 | [
[
"Trager",
"S. C.",
"",
"OCIW"
],
[
"Faber",
"S. M.",
"",
"UCO/Lick Observatory"
],
[
"Worthey",
"Guy",
"",
"St. Ambrose"
],
[
"Gonzalez",
"J. Jesus",
"",
"IA-UNAM"
]
] |
astro-ph/0001073 | Maartje Sevenster | M.Sevenster, H.Dejonghe, K.Van Caelenberg, H.J. Habing | Distribution functions for evolved stars in the inner galactic Plane | 23 pages, 20 figures, LaTeX, accepted for publication in A+A | null | null | null | astro-ph | null | We present dynamical distribution functions for evolved stars in the inner
galactic plane. We use an axisymmetric, two-component Stackel potential that
satisfies recent constraints on the galactic potential, amongst others a
slightly declining local rotation curve. We show that this potential is
adequate to model ste... | [
{
"created": "Thu, 6 Jan 2000 03:03:13 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Sevenster",
"M.",
""
],
[
"Dejonghe",
"H.",
""
],
[
"Van Caelenberg",
"K.",
""
],
[
"Habing",
"H. J.",
""
]
] |
astro-ph/0001074 | Dwarkadas | Vikram Dwarkadas (1), Lewis Ball (1), James Caswell (2), Anne Green
(3), Simon Johnston (1), Brian Schmidt (4), Mark Wardle (1) ((1) SRCfTA, (2)
ATNF, (3) Astrophysics, U Sydney, (4) RSAA, ANU) | Supernova Remnants, Pulsars and the Interstellar Medium - Summary of a
Workshop Held at U Sydney, March 1999 | 13 pages, Latex. To be published in the Publications of the
Astronomical Society of Australia, 2000, Vol 17, No 1 | null | 10.1071/AS00083 | null | astro-ph | null | We summarise the proceedings of the SRCfTA workshop on ``Supernova Remnants,
Pulsars and the Interstellar Medium'' that was held at the University of Sydney
on Mar 18 and 19, 1999.
| [
{
"created": "Thu, 6 Jan 2000 06:57:08 GMT",
"version": "v1"
}
] | 2015-06-24 | [
[
"Dwarkadas",
"Vikram",
""
],
[
"Ball",
"Lewis",
""
],
[
"Caswell",
"James",
""
],
[
"Green",
"Anne",
""
],
[
"Johnston",
"Simon",
""
],
[
"Schmidt",
"Brian",
""
],
[
"Wardle",
"Mark",
""
]
] |
astro-ph/0001075 | Max Pettini | Max Pettini (Institute of Astronomy, Cambridge) | The First Galaxies: Clues from Element Abundances | 15 pages, LaTex, 8 Postscript Figures. To appear in the Philosophical
Transactions of The Royal Society, Series A | null | 10.1098/rsta.2000.0628 | null | astro-ph | null | It has recently become possible to measure directly the abundances of several
chemical elements in a variety of environments at redshifts up to z = 5. In
this review I summarise the latest observations of Lyman break galaxies, damped
Lyman alpha systems and the Lyman alpha forest with a view to uncovering any
clues w... | [
{
"created": "Thu, 6 Jan 2000 08:48:14 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Pettini",
"Max",
"",
"Institute of Astronomy, Cambridge"
]
] |
astro-ph/0001076 | Kohji Yoshikawa | Kohji Yoshikawa (1), Y.P. Jing (2) and Yasushi Suto (2) ((1)
Department of Astronomy, Kyoto University, (2) Department of Physics and
RESCEU, University of Tokyo) | Cosmological SPH simulations with four million particles: statistical
properties of X-ray clusters in a low-density universe | Accepted for publication in The Astrophysical Journal. 18 pages with
7 embedded figures | The Astrophysical Journal 535 (2000) 593-601 | 10.1086/308895 | null | astro-ph | null | We present results from a series of cosmological SPH (smoothed particle
hydrodynamics) simulations coupled with the P3M
(Particle-Particle-Particle-Mesh) solver for the gravitational force. The
simulations are designed to predict the statistical properties of X-ray
clusters of galaxies as well as to study the formati... | [
{
"created": "Thu, 6 Jan 2000 10:22:29 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Yoshikawa",
"Kohji",
""
],
[
"Jing",
"Y. P.",
""
],
[
"Suto",
"Yasushi",
""
]
] |
astro-ph/0001077 | Marten van Kerkwijk | M. H. van Kerkwijk (Utrecht University) | Neutron Star Mass Determinations | 6 pages, 3 figures, to appear in Proc. ESO Workshop on "Black Holes
in Binaries and Galactic Nuclei", Garching (Sept. 1999), L. Kaper, E.P.J. van
den Heuvel, P.A. Woudt eds., Springer-Verlag | null | 10.1007/10720995_4 | null | astro-ph | null | I review attempts made to determine the properties of neutron stars. The
focus is on the maximum mass that a neutron star can have, or, conversely, the
minimum mass required for the formation of a black hole. There appears to be
only one neutron star for which there is strong evidence that its mass is above
the canon... | [
{
"created": "Thu, 6 Jan 2000 10:26:50 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"van Kerkwijk",
"M. H.",
"",
"Utrecht University"
]
] |
astro-ph/0001078 | Andrzej A. Zdziarski | Andrzej A. Zdziarski (Copernicus Ctr., Warsaw) | Radiative Processes and Geometry of Spectral States of Black-Hole
Binaries | Invited review for IAU Symp. 195, Highly Energetic Physical Processes
and Mechanisms for Emission from Astrophysical Plasmas, P. C. H. Martens, S.
Tsuruta, & M. A. Weber, eds., ASP, pp. 153-170 (2000) | 2000, IAU Symp. 195, P. C. H. Martens et al, eds, (San Francisco:
ASP), 153 | null | null | astro-ph | null | I review radiative processes responsible for X-ray emission in the hard (low)
and soft (high) spectral states of black-hole binaries. The main process in the
hard state appears to be thermal Comptonization (in a hot plasma) of blackbody
photons emitted by a cold disk. This is supported by correlations between the
spe... | [
{
"created": "Thu, 6 Jan 2000 11:20:51 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Jan 2000 10:24:45 GMT",
"version": "v2"
},
{
"created": "Sun, 11 Jun 2000 09:27:46 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Zdziarski",
"Andrzej A.",
"",
"Copernicus Ctr., Warsaw"
]
] |
astro-ph/0001079 | Sandip Kumar Chakrabarti | Sonali Chakrabarti and Sandip K. Chakrabarti | Can DNA bases be produced during molecular cloud collapse? | 4 pages including Figures; Accepted in Astronomy and Astrophysics
Letters | null | null | null | astro-ph | null | Using a reasonably large chemical reaction network consisting of 421 species,
we show that along with normal chemical evolution of molecular cloud during
collapse and star formation, significant amount of adenine, a DNA base, may be
produced after an evolution of 10^{6-7} years. This findings may shed light on
whethe... | [
{
"created": "Thu, 6 Jan 2000 13:12:47 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Chakrabarti",
"Sonali",
""
],
[
"Chakrabarti",
"Sandip K.",
""
]
] |
astro-ph/0001080 | Sabine Schindler | Sabine Schindler (Liverpool John Moores University) | X-ray and optical observations of three clusters of galaxies: Abell 901,
Abell 1437, and Abell 3570 | 8 pages (incl. 6 figures), accepted for publication in A&A (Suppl.) | null | 10.1051/aas:2000161 | null | astro-ph | null | We analyse three clusters of galaxies, Abell 901 (z=0.17), Abell 1437
(z=0.13) and Abell 3570 (z=0.037). They have low to intermediate X-ray fluxes
and an irregular morphology in the ROSAT All-Sky Survey (RASS). These clusters
are chosen to test the abilities and limitations of the RASS in terms of
cluster fluxes and... | [
{
"created": "Thu, 6 Jan 2000 13:44:52 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Schindler",
"Sabine",
"",
"Liverpool John Moores University"
]
] |
astro-ph/0001081 | Klaus Reinsch | K. Reinsch, A. van Teeseling, A. R. King, K. Beuermann | A limit-cycle model for the binary supersoft X-ray source RX
J0513.9-6951 | 4 pages, 4 figures, accepted for publication in Astronomy and
Astrophysics Letters | null | null | null | astro-ph | null | We present new results of our X-ray monitoring of the transient binary
supersoft X-ray source RX J0513.9-6951 in the LMC and of our re-analysis of
optical light curves obtained during the MACHO project. We have covered a
complete X-ray outburst cycle with the ROSAT HRI detector. From the amplitude
and timescale of th... | [
{
"created": "Thu, 6 Jan 2000 14:55:26 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Reinsch",
"K.",
""
],
[
"van Teeseling",
"A.",
""
],
[
"King",
"A. R.",
""
],
[
"Beuermann",
"K.",
""
]
] |
astro-ph/0001082 | Paolo Salucci | A. Borriello and P. Salucci | The Dark Matter Distribution in Disk Galaxies | 8 pages, 6 figures, MNRAS accepted. New section and figures added,
concerning CDM mass models. Minor changes to the rest of the paper | Mon.Not.Roy.Astron.Soc. 323 (2001) 285 | 10.1046/j.1365-8711.2001.04077.x | null | astro-ph | null | We use high-quality optical rotation curves of 9 low-luminosity disk galaxies
to obtain the velocity profile of the surrounding dark matter halos. We find
that they increase linearly with radius at least out to the stellar disk edge,
implying that, over the entire region where the stars reside, the density of
the dar... | [
{
"created": "Thu, 6 Jan 2000 14:56:28 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Sep 2000 14:11:29 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Borriello",
"A.",
""
],
[
"Salucci",
"P.",
""
]
] |
astro-ph/0001083 | Reza Ansari | EROS Collaboration | Observation of Microlensing towards the Galactic Spiral Arms. EROS II 3
year survey | 4 pages, 3 figures, submitted for publication in A&A Letters | null | null | LAL 00-02 | astro-ph | null | We present an analysis of the light curves of 9.1 million stars observed
during three seasons by EROS (Experience de Recherche d'Objets Sombres), in the
Galactic plane away from the bulge. Seven stars exhibit luminosity variations
compatible with gravitational microlensing effects due to unseen objects. The
correspon... | [
{
"created": "Thu, 6 Jan 2000 15:13:53 GMT",
"version": "v1"
}
] | 2012-08-27 | [
[
"EROS Collaboration",
"",
""
]
] |
astro-ph/0001084 | Diego Harari | Diego Harari, Silvia Mollerach, Esteban Roulet | Signatures of galactic magnetic lensing upon ultra high energy cosmic
rays | 18 pages, 7 figures, uses JHEP.cls | JHEP 0002 (2000) 035 | 10.1088/1126-6708/2000/02/035 | null | astro-ph hep-ph | null | We analyse several implications of lensing by the regular component of the
galactic magnetic field upon the observed properties of ultra high energy
cosmic rays. Magnetic fields deflect cosmic ray trajectories, causing flux
(de)magnification, formation of multiple images of a single source, and time
delays. We derive... | [
{
"created": "Thu, 6 Jan 2000 15:43:59 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Harari",
"Diego",
""
],
[
"Mollerach",
"Silvia",
""
],
[
"Roulet",
"Esteban",
""
]
] |
astro-ph/0001085 | Israel | G.L. Israel, S. Covino, S. Campana, V.F. Polcaro, P. Roche, L. Stella,
A. Di Paola, D. Lazzati, S. Mereghetti, E. Giallongo, A. Fontana and F.
Verrecchia | The discovery of the optical/IR counterpart of the 12s transient X-ray
pulsar GS 0834-43 | 6 pages. Accepted for publication in MNRAS | null | 10.1046/j.1365-8711.2000.03404.x | null | astro-ph | null | We report the discovery of the optical/infra-red counterpart of the 12.3s
transient X-ray pulsar GS0834-43. We re-analysed archival ROSAT PSPC
observations of GS0834-43, obtaining two new refined positions, about 14" and
18" away from the previously published one, and a new spin period measurement.
Within the new err... | [
{
"created": "Thu, 6 Jan 2000 16:16:10 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Israel",
"G. L.",
""
],
[
"Covino",
"S.",
""
],
[
"Campana",
"S.",
""
],
[
"Polcaro",
"V. F.",
""
],
[
"Roche",
"P.",
""
],
[
"Stella",
"L.",
""
],
[
"Di Paola",
"A.",
""
],
[
"Lazzati",
"D.",
... |
astro-ph/0001086 | Anil K. Pradhan | Guo Xin Chen and Anil K. Pradhan (Department of Astronomy, The Ohio
State University, Columbus, OH) | Fluorescent Excitation of Spectral Lines in Planetary Nebulae | 5 pages, 4 figures (fig.4 in color), ApJ (in press) | null | 10.1086/308941 | null | astro-ph | null | Fluorescent excitation of spectral lines is demonstrated as a function of
temperature-luminosity and the distance of the emitting region from the central
stars of planetary nebulae. The electron densities and temperatures are
determined, and the method is exemplified through a detailed analysis of
spectral observatio... | [
{
"created": "Thu, 6 Jan 2000 16:38:42 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Chen",
"Guo Xin",
"",
"Department of Astronomy, The Ohio\n State University, Columbus, OH"
],
[
"Pradhan",
"Anil K.",
"",
"Department of Astronomy, The Ohio\n State University, Columbus, OH"
]
] |
astro-ph/0001087 | Pauline Barmby | Pauline Barmby & John P. Huchra | Testing population synthesis models with globular cluster colors | To appear in ApJ Letters; 8 pages including 3 figures and 1 table | Astrophys.J. 531 (2000) L29 | 10.1086/312511 | null | astro-ph | null | We have measured an extensive set of UBVRIJHK colors for M31 globular
clusters [Barmby et al. 2000]. We compare the predicted simple stellar
population colors of three population synthesis models to the intrinsic colors
of Galactic and M31 globular clusters. The best-fitting models fit the cluster
colors very well --... | [
{
"created": "Thu, 6 Jan 2000 17:18:48 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Barmby",
"Pauline",
""
],
[
"Huchra",
"John P.",
""
]
] |
astro-ph/0001088 | Tkashi Okamoto | Takashi Okamoto and Asao Habe | Evolution of Cluster Galaxies in Hierarchical Clustering Universes | accepted for publication in PASJ | Publ.Astron.Soc.Jap. 52 (2000) 457-463 | 10.1093/pasj/52.3.457 | null | astro-ph | null | Using cosmological N-body simulations of critical (SCDM) and open ($\Omega =
0.3$, OCDM) cold dark matter models, we investigate evolution of cluster
galaxies. From our numerical simulation, we construct merging history trees of
the galaxies. By following their merging history, we show major merger
fractions of the g... | [
{
"created": "Thu, 6 Jan 2000 17:55:36 GMT",
"version": "v1"
},
{
"created": "Tue, 2 May 2000 09:35:42 GMT",
"version": "v2"
}
] | 2015-06-24 | [
[
"Okamoto",
"Takashi",
""
],
[
"Habe",
"Asao",
""
]
] |
astro-ph/0001089 | David H. Weinberg | John Phillips, David H. Weinberg, Rupert A. C. Croft, Lars Hernquist,
Neal Katz and Max Pettini | Constraints on Cosmological Parameters from the Lyman-alpha Forest Power
Spectrum and COBE-DMR | 26 pages, 6 figs, ApJ, in press (10/01). New version corrects some
numerical results for Lambda-CDM models, updates discussion in light of new
observational developments (especially CMB). Main conclusions unchanged | Astrophys.J. 560 (2001) 15-27 | 10.1086/322369 | null | astro-ph | null | We combine COBE-DMR measurements of cosmic microwave background anisotropy
with a recent measurement of the mass power spectrum at redshift z=2.5 from Lya
forest data to derive constraints on cosmological parameters and test the
inflation+CDM scenario of structure formation. By treating the inflationary
spectral inde... | [
{
"created": "Thu, 6 Jan 2000 18:13:07 GMT",
"version": "v1"
},
{
"created": "Fri, 15 Jun 2001 18:24:17 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Phillips",
"John",
""
],
[
"Weinberg",
"David H.",
""
],
[
"Croft",
"Rupert A. C.",
""
],
[
"Hernquist",
"Lars",
""
],
[
"Katz",
"Neal",
""
],
[
"Pettini",
"Max",
""
]
] |
astro-ph/0001090 | T. A. Aaron Sigut | T.A.A. Sigut, J.D. Landstreet, S.L.S. Shorlin | Emission Lines in the Spectrum of the 3He Star 3 Cen A | 16 pages, 3 figures | null | 10.1086/312499 | null | astro-ph | null | Emission in the 4d - 4f transitions of MnII (multiplet 13, 6122-6132 Ang), in
the 4f - 6g transitions of PII, and in 6149.5 Ang of HgII has been detected in
the spectrum of the helium weak star 3 Centauri A (B5 III-IVp). Weaker emission
from the same MnII multiplet is also seen in the hot, mild HgMn star 46 Aquila
(B... | [
{
"created": "Thu, 6 Jan 2000 18:33:44 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Sigut",
"T. A. A.",
""
],
[
"Landstreet",
"J. D.",
""
],
[
"Shorlin",
"S. L. S.",
""
]
] |
astro-ph/0001091 | Michael Pivovaroff | M. J. Pivovaroff (MIT), V. M. Kaspi (MIT), and F. Camilo (Columbia) | X-ray observations of the high magnetic field radio pulsar PSR
J1814-1744 | 11 pages, including 2 embedded figures. Accepted by ApJ | null | 10.1086/308848 | null | astro-ph | null | PSR J1814-1744 is a 4 s radio pulsar with surface dipole magnetic field
strength 5.5*10^13 G, inferred assuming simple magnetic dipole braking. This
pulsar's spin parameters are very similar to those of anomalous X-ray pulsars
(AXPs), suggesting that this may be a transition object between the radio
pulsar and AXP po... | [
{
"created": "Thu, 6 Jan 2000 18:45:03 GMT",
"version": "v1"
}
] | 2016-08-30 | [
[
"Pivovaroff",
"M. J.",
"",
"MIT"
],
[
"Kaspi",
"V. M.",
"",
"MIT"
],
[
"Camilo",
"F.",
"",
"Columbia"
]
] |
astro-ph/0001092 | Tim O'Brien | C. D. Gill, T.J. O'Brien | Hubble Space Telescope imaging and ground-based spectroscopy of old nova
shells - I. FH Ser, V533 Her, BT Mon, DK Lac, V476 Cyg | Accepted by MNRAS, 10 pages, 7 figures | null | 10.1046/j.1365-8711.2000.03342.x | null | astro-ph | null | In this paper we report on the first five out of eleven observations in our
programme of Hubble Space Telescope (HST) imaging of old nova shells. We
present new WFPC2 images of the shells around FH Ser and V533 Her taken in the
F656N (Halpha+[NII]) filter. We also show long-slit spectra taken using the
William Hersch... | [
{
"created": "Thu, 6 Jan 2000 18:49:55 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Gill",
"C. D.",
""
],
[
"O'Brien",
"T. J.",
""
]
] |
astro-ph/0001093 | Peter Berczik | Peter Berczik (Main Astronomical Observatory of Ukrainian National
Academy of Sciences) | Chemo - Photometric evolution of star forming disk galaxy | 4 pages, LaTeX2e, using the eslab.cls file, presented as a poster in
the 33rd ESLAB Symp. "Star formation from the small to the large scale",
Noordwijk, The Netherlands, 2-5 November 1999, (F. Favata, A.A. Kaas & A.
Wilson eds, ESA SP-445, 2000) | null | null | null | astro-ph | null | The chemical and photometric evolution of star forming disk galaxies is
investigated. Numerical simulations of the complex gasdynamical flows are based
on our own coding of the Chemo - Dynamical Smoothed Particle Hydrodynamical (CD
- SPH) approach, which incorporates the effects of star formation. As a first
applicat... | [
{
"created": "Thu, 6 Jan 2000 19:13:48 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Berczik",
"Peter",
"",
"Main Astronomical Observatory of Ukrainian National\n Academy of Sciences"
]
] |
astro-ph/0001094 | Jonathan Slavin | Jonathan D. Slavin, Christopher F. McKee, and David J. Hollenbach | Photoionization of Galactic Halo Gas by Old Supernova Remnants | AASTeX 5.01; 34 pages, 2 figures; submitted to Astrophysical Journal | null | 10.1086/309409 | null | astro-ph | null | We present new calculations on the contribution from cooling hot gas to the
photoionization of warm ionized gas in the Galaxy. We show that hot gas in
cooling supernova remnants (SNRs) is an important source of photoionization,
particularly for gas in the halo. We find that in many regions at high latitude
this sourc... | [
{
"created": "Thu, 6 Jan 2000 19:49:46 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Slavin",
"Jonathan D.",
""
],
[
"McKee",
"Christopher F.",
""
],
[
"Hollenbach",
"David J.",
""
]
] |
astro-ph/0001095 | Wei Cui | Wei Cui (MIT), Shuang Nan Zhang (UAH), and Wan Chen (UMd/GSFC) | Phase Lag and Coherence Function of X-ray emission from Black Hole
Candidate XTE J1550-564 | To appear in ApJ Letters | null | 10.1086/312520 | null | astro-ph | null | We report the results from measuring the phase lag and coherence function of
X-ray emission from black hole candidate (BHC) XTE J1550-564. These X-ray
temporal properties have been recognized to be increasingly important in
providing important diagnostics of the dynamics of accretion flows around black
holes. For XTE... | [
{
"created": "Thu, 6 Jan 2000 22:03:16 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Cui",
"Wei",
"",
"MIT"
],
[
"Zhang",
"Shuang Nan",
"",
"UAH"
],
[
"Chen",
"Wan",
"",
"UMd/GSFC"
]
] |
astro-ph/0001096 | Amy Barger | A.J. Barger, L.L. Cowie, E.A. Richards | Mapping the Evolution of High Redshift Dusty Galaxies with Submillimeter
Observations of a Radio-Selected Sample | 18 pages, accepted by The Astronomical Journal for April 2000 issue | Astron.J. 119 (2000) 2092-2109 | 10.1086/301341 | null | astro-ph | null | Direct submm imaging has recently revealed the 850-micron background to be
mostly composed of a population of distant ultraluminous infrared galaxies, but
identifying the optical/NIR counterparts to these sources has proved difficult
due to the poor submm spatial resolution. However, the proportionality of both
cm an... | [
{
"created": "Thu, 6 Jan 2000 23:03:23 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Barger",
"A. J.",
""
],
[
"Cowie",
"L. L.",
""
],
[
"Richards",
"E. A.",
""
]
] |
astro-ph/0001097 | Kate Y. L. Su | K. Y. L. Su (1), S. Kwok (1), B. J. Hrivnak (2), R. Sahai (3) ((1)
University of Calgary, (2) Valparaiso University, (3) JPL/Caltech) | HST NICMOS Observation of Proto-Planetary Nebulae | To appear in ``Asymmetrical Planetary Nebulae II: from Origins to
Microstructures,'' ASP Conference Series, Vol. 199, 2000; J.H. Kastner, N.
Soker, & S.A. Rappaport, eds | null | null | null | astro-ph | null | We report NICMOS wide-band and polarimetric observations of four
proto-planetary nebulae. Molecular hydrogen emission is detected near the ends
of the bipolar lobes of IRAS 17150-3224, which is evidence for the interaction
of a fast, collimated outflow with the remnant of the asymptotic giant branch
wind.
| [
{
"created": "Thu, 6 Jan 2000 23:16:14 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Su",
"K. Y. L.",
""
],
[
"Kwok",
"S.",
""
],
[
"Hrivnak",
"B. J.",
""
],
[
"Sahai",
"R.",
""
]
] |
astro-ph/0001098 | Omar Almaini | O. Almaini (University of Edinburgh) | The X-ray/submillimetre link | Invited review, to appear in proceedings of the ``Large Scale
Structure in the X-ray Universe'' conference, held in Santorini, Greece,
September 1999, eds. M. Plionis and I. Georgantopoulos (Editions Frontieres),
8 pages, 2 figures. Also available at http://www.roe.ac.uk/~omar/astro.html | null | null | null | astro-ph | null | It is widely believed that most of the cosmic X-ray background (XRB) is
produced by a vast, hitherto undetected population of obscured AGN. Deep X-ray
surveys with Chandra and XMM will soon test this hypothesis. Similarly, recent
sub-mm surveys with SCUBA have revealed an analogous population of
exceptionally luminou... | [
{
"created": "Fri, 7 Jan 2000 17:54:41 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Almaini",
"O.",
"",
"University of Edinburgh"
]
] |
astro-ph/0001099 | Andreas A. Berlind | Andreas A. Berlind (1), Vijay K. Narayanan (1 and 2), David H.
Weinberg (1) .((1) The Ohio State University, (2) Princeton University) | Biased Estimates of Omega from Comparing Smoothed Predicted Velocity
Fields to Unsmoothed Peculiar Velocity Measurements | 11 pages including 2 eps figures. Submitted to ApJ | null | 10.1086/309085 | null | astro-ph | null | We show that a regression of unsmoothed peculiar velocity measurements
against peculiar velocities predicted from a smoothed galaxy density field
leads to a biased estimate of the cosmological density parameter Omega, even
when galaxies trace the underlying mass distribution and galaxy positions and
velocities are kn... | [
{
"created": "Fri, 7 Jan 2000 01:04:31 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Berlind",
"Andreas A.",
"",
"The Ohio State University"
],
[
"Narayanan",
"Vijay K.",
"",
"1 and 2"
],
[
"Weinberg",
"David H.",
"",
"The Ohio State University"
],
[
".",
"",
""
]
] |
astro-ph/0001100 | Sandy Leggett | S. K. Leggett, F. Allard, Conard Dahn, P. H. Hauschildt, T. H. Kerr,
J. Rayner | Spectral Energy Distributions for Disk and Halo M--Dwarfs | 24 pages including 13 figures, 4 Tables; accepted by ApJ | Astrophys.J.535:965-974,2000 | 10.1086/308887 | null | astro-ph | null | We have obtained infrared (1 to 2.5 micron) spectroscopy for 42 halo and disk
dwarfs with spectral type M1 to M6.5. These data are compared to synthetic
spectra generated by the latest model atmospheres of Allard & Hauschildt.
Photospheric parameters metallicity, effective temperature and radius are
determined for th... | [
{
"created": "Fri, 7 Jan 2000 01:21:50 GMT",
"version": "v1"
}
] | 2009-05-29 | [
[
"Leggett",
"S. K.",
""
],
[
"Allard",
"F.",
""
],
[
"Dahn",
"Conard",
""
],
[
"Hauschildt",
"P. H.",
""
],
[
"Kerr",
"T. H.",
""
],
[
"Rayner",
"J.",
""
]
] |
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