Astrophysics

Authors and titles for April 2000

[101] arXiv:astro-ph/0004102 [pdf, other]

Title: Cosmic Strings Lens Phenomenology: Model of Poisson Energy Distribution

Francis Bernardeau, Jean-Philippe Uzan

Comments: 10 pages, 5 figures. Minor corrections

Journal-ref: Phys.Rev. D63 (2001) 023005

Subjects: Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc)

[102] arXiv:astro-ph/0004103 [pdf, other]

Title: High resolution Ks polarization mapping of OH 231.8+4.2 (OH 0739-14) with SOFI

N. Ageorges (Physics Department, National University of Ireland - Galway), J. R. Walsh (European Southern Observatory)

Comments: 9 pages, LaTeX (with l-aa style file), 5 postscript figures. Accepted by A&A Main Journal

Subjects: Astrophysics (astro-ph)

[103] arXiv:astro-ph/0004104 [pdf, other]

Title: X-ray observation of radio supernova SN1979C by ASCA

A. Ray (1), R. Petre (2), E. Schlegel (3) ((1) Tata Institute of Fundamental Research, (2) NASA/GSFC (3) Harvard Smithsonian Center for Astrophysics)

Comments: 4 pages, 1 figure; send comments to: akr@tifr.this http URL

Journal-ref: Space Telescope Science Institute Symposium, May 1999, p.55 (M. Livio et al)

Subjects: Astrophysics (astro-ph)

[104] arXiv:astro-ph/0004105 [pdf, other]

Title: Cosmic Strings Lens Phenomenology: General Properties of Distortion Fields

Jean-Philippe Uzan, Francis Bernardeau

Comments: 23 pages, 15 figures. many corrrections including rewritting of section V and IV.A

Journal-ref: Phys.Rev. D63 (2001) 023004

Subjects: Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc)

[105] arXiv:astro-ph/0004106 [pdf, other]

Title: Accretion Disks Phase Transitions: 2-D or not 2-D?

Marek A. Abramowicz, Gunnlaugur Bjornsson, Igor V. Igumenshchev

Comments: 4 pages, 2 figures

Journal-ref: PASJ, 2000, Vol. 52, No. 2, p. 295-297

Subjects: Astrophysics (astro-ph)

[106] arXiv:astro-ph/0004107 [pdf, other]

Title: A Galactic Bar to Beyond the Solar Circle and its Relevance for Microlensing

Michael Feast, Patricia Whitelock

Comments: 6 pages, 2 figures. To be published in: Microlensing 2000. ASP Conference Series, Eds. J W Menzies, P Sackett

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) 460

Subjects: Astrophysics (astro-ph)

[107] arXiv:astro-ph/0004108 [pdf, other]

Title: Circumnuclear regions in barred spiral galaxies. I. Near-infrared imaging

D. Perez-Ramirez (1), J.H. Knapen (1,2), R.F. Peletier (3,4), S. Laine (1,5), R. Doyon, D. Nadeau (6) ((1) Univ. of Hertfordshire, (2) Isaac Newton Group of Telescopes, (3) Univ. of Durham, (4) Univ. of Nottingham, (5) Univ. of Kentucky, (6) Univ. de Montreal)

Comments: Accepted for publication in MNRAS. 16 pages, includes 1 gif and 12 postscript figures. Complete version with high-quality postscript figures available on this ftp URL

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) 234

Subjects: Astrophysics (astro-ph)

[108] arXiv:astro-ph/0004109 [pdf, other]

Title: Early galaxy evolution from deep wide field star counts. I. The spheroid density law and mass function

A. C. Robin (1), C. Reyle (1), M. Creze (2) ((1) Observatoire de Besancon, France (2) Universite de Bretagne-Sud, France)

Comments: 12 pages, 7 figures, accepted for publication in Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[109] arXiv:astro-ph/0004110 [pdf, other]

Title: Cool Companions to Hot White Dwarfs

Paul J. Green (SAO/CfA), Babar Ali (IPAC), Ralf Napiwotzki (Bamberg)

Comments: 17 pages, Latex, emulateapj style, with separate tables (9 pages). Accepted for publication in ApJ v540, Sep 2000, or see this http URL

Subjects: Astrophysics (astro-ph)

[110] arXiv:astro-ph/0004111 [pdf, other]

Title: Testing Intermittency of the Galactic Star Formation History along with the Infall Model

T. T. Takeuchi (1), H. Hirashita (2) ((1)Nagoya University, (2)Kyoto University)

Comments: 19 pages LaTeX, to appear in ApJ

Subjects: Astrophysics (astro-ph)

[111] arXiv:astro-ph/0004112 [pdf, other]

Title: Microlensing of multiply-imaged compact radio sources: Evidence for compact halo objects in the disk galaxy of B1600+434

L.V.E. Koopmans (1,3), A.G. de Bruyn (2,1) ((1) Kapteyn Astronomical Institute, (2) NFRA-ASTRON, (3) Jodrell Bank Observatory)

Comments: 21 pages, 11 figures, accepted for publication in A&A; corrected minor typos & updated references

Subjects: Astrophysics (astro-ph)

[112] arXiv:astro-ph/0004113 [pdf, other]

Title: Departures From Axisymmetric Morphology and Dynamics in Spiral Galaxies

David A. Kornreich, Martha P. Haynes, R. V. E. Lovelace (Cornell University), Liese van Zee (NRAO)

Comments: 24 pages, 19 figures, AASTeX, accepted for publication in AJ, postscript figures available at this ftp URL

Subjects: Astrophysics (astro-ph)

[113] arXiv:astro-ph/0004114 [pdf, other]

Title: Relativistic Diskoseismology. II. Analytical Results for C-modes

Alexander S. Silbergleit, Robert V. Wagoner, Manuel Ortega-Rodriguez

Comments: Submitted to The Astrophysical Journal. 33 pages, 5 figures

Journal-ref: Astrophys.J. 548 (2001) 335-347

Subjects: Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc)

[114] arXiv:astro-ph/0004115 [pdf, other]

Title: Substructure and halo density profiles in a Warm Dark Matter Cosmology

P. Colin (UNAM), V. Avila-Reese (UNAM), O. Valenzuela (NMSU)

Comments: Uses this http URL: 10 pages, 4 figures, ApJ accepted. Some changes have been introduced as suggested by the referee: (1) the description of the numerical simulations was sligthly modified to make it clearer, (2) the ellipticities of the host halos are now measured, and (3) the discussion section was divided in two subsections and enlarged

Journal-ref: Astrophys.J. 542 (2000) 622-630

Subjects: Astrophysics (astro-ph)

[115] arXiv:astro-ph/0004116 [pdf, other]

Title: The Globular Cluster System in the Inner Region of the Giant Elliptical Galaxy NGC 4472

Myung Gyoon Lee, Eunhyeuk Kim (Astronomy Program, SEES, Seoul National University, Seoul, Korea)

Comments: 27 pages (AASLaTex), 22 Postscript Figures, Accepted for Publication in the Astronomical Journal, Jul. 31st, 2000

Subjects: Astrophysics (astro-ph)

[116] arXiv:astro-ph/0004117 [pdf, other]

Title: Population and Size Distribution of Small Jovian Trojan Asteroids

D. C. Jewitt (1), C. A. Trujillo (1), J. X. Luu (2) ((1) Institute of Astronomy, Univ. of Hawaii, (2) Sterrewacht Leiden)

Comments: 21 pages, 11 figures. AJ, in press

Subjects: Astrophysics (astro-ph)

[117] arXiv:astro-ph/0004118 [pdf, other]

Title: Testing Comptonizing coronae on a long BeppoSAX observation of the Seyfert 1 galaxy NGC 5548

P.O. Petrucci, F. Haardt, L. Maraschi, P. Grandi, G. Matt, F. Nicastro, L. Piro, G.C. Perola, A. De Rosa

Comments: 36 pages, 9 figures, accepted by ApJ

Subjects: Astrophysics (astro-ph)

[118] arXiv:astro-ph/0004119 [pdf, other]

Title: Studies of Binary Star Cluster Candidates in the Bar of the LMC. I: SL 353 & SL 349

Andrea Dieball (Sternwarte Bonn, Germany), Eva K. Grebel (University of Washington, Seattle, USA), Christian Theis (Institut fuer Theoretische Physik und Astrophysik, Kiel, Germany)

Comments: 11 pages, 8 figures, accepted for publication in Astronomy & Astrophysics, Main Journal

Subjects: Astrophysics (astro-ph)

[119] arXiv:astro-ph/0004120 [pdf, other]

Title: A self-consistent test of Comptonization models using a long BeppoSAX observation of NGC 5548

P.O. Petrucci, F. Haardt, L. Maraschi, P. Grandi, G. Matt, F. Nicastro, L. Piro, G.C. Perola, A. De Rosa

Comments: 4 pages, 2 figures, to appear in the proceedings of the conference "X-ray Astronomy '99", Bologna, Italy, September 1999

Subjects: Astrophysics (astro-ph)

[120] arXiv:astro-ph/0004121 [pdf, other]

Title: Centrifugal buoyancy as a mechanism for neutron star glitches

Brandon Carter, David Langlois, David M. Sedrakian (DARC, Meudon; Erevan University)

Comments: 22 pages, 3 figures, Latex; to appear in Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[121] arXiv:astro-ph/0004122 [pdf, other]

Title: Pulsar optical observation with the Very Large Telescope

A. Ray (1), P. Lundqvist (2), J. Sollerman (2), B. Leibundgut (3), F. Sutaria (4) ((1) Tata Inst. of Fundamental Research, (2) Stockholm Observatory, (3) European Southern Observatory, (4) Inter Univ Centre for Astron. and Astrophys.)

Comments: To be published in the Procs. of IAU Symp. No 199 (Pulsar Astronomy -- 2000 and beyond, ASP Conference Ser., ed. M. Kraemer et al)

Subjects: Astrophysics (astro-ph)

[122] arXiv:astro-ph/0004123 [pdf, other]

Title: Excess sub-millimetre emission from GRS 1915+105

R. N. Ogley (1), S. J. Bell Burnell (2,3), R. P. Fender (4), G. G. Pooley (5), E. B. Waltman (6) ((1) CEA Saclay, (2) The Open University, (3) Princeton University, (4) University of Amsterdam, (5) MRAO, University of Cambridge, (6) Naval Research Laboratory)

Comments: 5 pages, 3 figures, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) 158

Subjects: Astrophysics (astro-ph)

[123] arXiv:astro-ph/0004124 [pdf, other]

Title: Physical properties of the pulsating hydrogen-deficient star LSS 3184 (BX Cir)

V. M. Woolf, C. S. Jeffery (Armagh Observatory)

Comments: 7 pages, LaTeX, 7 encapsulated postscript figures, uses this http URL, to appear in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[124] arXiv:astro-ph/0004125 [pdf, other]

Title: Cosmological models from quintessence

Pedro F. Gonzalez-Diaz (IMAFF, CSIC, Madrid)

Comments: 9 pages, RevTex, to appear in Phys. Rev. D

Journal-ref: Phys.Rev. D62 (2000) 023513

Subjects: Astrophysics (astro-ph)

[125] arXiv:astro-ph/0004126 [pdf, other]

Title: Galactic 1.275 MeV emission from ONe novae and its detectability by INTEGRAL/SPI

P. Jean (CESR), M. Hernanz (IEEC), J. Gomez-Gomar (IEEC), J. Jose (IEEC)

Comments: 12 pages, 17 figures, MNRAS in press

Journal-ref: Mon.Not.Roy.Astron.Soc. 319 (2000) 350

Subjects: Astrophysics (astro-ph)

[126] arXiv:astro-ph/0004127 [pdf, other]

Title: Chandra X-Ray Observatory (CXO):Overview

M. C. Weisskopf, H. D. Tananbaum, L. P. Van Speybroeck, S. L. O'Dell

Comments: 11 pages, 23 figures, SPIE 4012, paper-01

Subjects: Astrophysics (astro-ph)

[127] arXiv:astro-ph/0004128 [pdf, other]

Title: Identification of A-colored Stars and Structure in the Halo of the Milky Way from SDSS Commissioning Data

B. Yanny, H. J. Newberg, S. Kent, S. A. Laurent-Muehleisen, J. R. Pier, G. T. Richards, C. Stoughton, J. E. Anderson Jr, J. Annis, J. Brinkmann, B. Chen, I. Csabai, M. Doi, M. Fukugita, G. S. Hennessy, Z. Ivezic, G. R. Knapp, R. Lupton, J. A. Munn, T. Nash, C. M. Rockosi, D. P. Schneider, J. A. Smith, D. G. York

Comments: AASTeX v5_0, 26 pages, 1 table, 20 figures, ApJ accepted

Journal-ref: Astrophys.J. 540 (2000) 825-841

Subjects: Astrophysics (astro-ph)

[128] arXiv:astro-ph/0004129 [pdf, other]

Title: The Inner Boundary Condition for a Thin Disk Accreting Into a Black Hole

B. Paczyński

Comments: 3 pages, latex, submitted on April 10, 2000 to The Astrophysical Journal Letters

Subjects: Astrophysics (astro-ph)

[129] arXiv:astro-ph/0004130 [pdf, other]

Title: Candidate RR Lyrae Stars Found in Sloan Digital Sky Survey Commissioning Data

Z. Ivezic, J. Goldston, K. Finlator, et al. (for the SDSS Collaboration)

Comments: 38 pages with 11 figures. submitted to AJ

Journal-ref: Astron.J. 120 (2000) 963-977

Subjects: Astrophysics (astro-ph)

[130] arXiv:astro-ph/0004131 [pdf, other]

Title: Resonant Scattering of Emission Lines in Coronal Loops: Effects on Image Morphology and Line Ratios

Kenneth Wood (CfA), John Raymond (CfA)

Comments: Accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[131] arXiv:astro-ph/0004132 [pdf, other]

Title: Merging history as a function of halo environment

Stefan Gottloeber (AIP Potsdam), Anatoly Klypin (NMSU), Andrey Kravtsov (Ohio State)

Comments: submitted to the Astrophys. Journal; 11 pages, 9 figs., LaTeX (uses this http URL)

Subjects: Astrophysics (astro-ph)

[132] arXiv:astro-ph/0004133 [pdf, other]

Title: Old White Dwarfs as a Microlensing Population

Brad M. S. Hansen (Princeton University)

Comments: TeX, 7 pages plus 2 postscript figures To be published in: Microlensing 2000. ASP Conference Series, Eds. J W Menzies, P Sackett

Subjects: Astrophysics (astro-ph)

[133] arXiv:astro-ph/0004134 [pdf, other]

Title: A Dynamical Solution to the Problem of a Small Cosmological Constant and Late-time Cosmic Acceleration

C. Armendariz-Picon, V. Mukhanov, Paul J. Steinhardt

Comments: 5 pages, 3 figures

Journal-ref: Phys.Rev.Lett.85:4438-4441,2000

Subjects: Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)

[134] arXiv:astro-ph/0004135 [pdf, other]

Title: O VI and Multicomponent H I Absorption Associated with a Galaxy Group in the Direction of PG0953+415: Physical Conditions and Baryonic Content

Todd M. Tripp (Princeton), Blair D. Savage (Wisconsin)

Comments: Accepted for publication in Ap.J., vol. 542 (Oct. 10, 2000)

Journal-ref: Astrophysical Journal, vol.542, p.42 (Oct. 10, 2000)

Subjects: Astrophysics (astro-ph)

[135] arXiv:astro-ph/0004136 [pdf, other]

Title: HI 21cm-line observations with the GMRT towards interstellar clouds previously seen in optical absorption

Rekhesh Mohan (1), K.S. Dwarakanath (1), G. Srinivasan (1), Jayaram N. Chengalur (2) ((1) Raman Research Institute, Bangalore, INDIA. (2) National Center for Radio Astrophysics (NCRA-TIFR), Pune, INDIA.)

Comments: 2 pages, no figures, uses this http URL, contributed talk at IAU Symposium 199 "The Universe at Low Radio Frequencies", held in Pune, Dec. 1999

Subjects: Astrophysics (astro-ph)

[136] arXiv:astro-ph/0004137 [pdf, other]

Title: Constraining the Location of Microlensing Objects by using the Finite Source Effect in EAGLE events

Takahiro Sumi, Mareki Honma

Comments: 18 pages, 4 figures, accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[137] arXiv:astro-ph/0004138 [pdf, other]

Title: Properties of cosmologies with dynamical pseudo Nambu-Goldstone bosons

S.C.C. Ng, D.L. Wiltshire

Comments: 22 pages, RevTeX, 13 figures, epsf. v3: References added, plus a few sentences to clarify some small points; v4: Typos fixed

Journal-ref: Phys.Rev. D63 (2001) 023503

Subjects: Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)

[138] arXiv:astro-ph/0004139 [pdf, other]

Title: Detection of the VLBI-scale Counter Jet in NGC 6251

H. Sudou (1), Y. Taniguchi (1), Y. Ohyama (2), S. Kameno (2), S. Sawada-Satoh (2), M. Inoue (2), O. Kaburaki (1), S. Sasao (2) ((1) Tohoku University, (2) NAOJ)

Comments: 4 pages, 3 figures, to be published in "Astrophysical Phenomena Revealed by Space VLBI" eds. H. Hirabayashi, P.G. Edwards and D.W. Murphy

Subjects: Astrophysics (astro-ph)

[139] arXiv:astro-ph/0004140 [pdf, other]

Title: The sign of temperature inhomogeneities deduced from time-distance helioseismology

M. Brüggen, H.C. Spruit (Max-Planck-Institut fur Astrophysik)

Comments: accepted by Solar Physics

Subjects: Astrophysics (astro-ph)

[140] arXiv:astro-ph/0004141 [pdf, other]

Title: BeppoSAX observations of Mrk 509 and MCG+8-11-11

G. C. Perola, G. Matt, F. Fiore, P. Grandi, M. Guainazzi, F. Haardt, L. Maraschi, T. Mineo, F. Nicastro, L. Piro

Comments: Accepted for publication in A&A main journal

Subjects: Astrophysics (astro-ph)

[141] arXiv:astro-ph/0004142 [pdf, other]

Title: A Finding List for Delta_mu Binaries derived from a Comparison of HIPPARCOS Proper Motions with Long-term Averaged Data

Roland Wielen, Christian Dettbarn, Hartmut Jahreiss, Helmut Lenhardt, Heiner Schwan, Rainer Jaehrling

Comments: 1 page, Poster presented at IAU Symp. 200, The Formation of Binary Stars, Potsdam(Germany), 10-15 April 2000. To be published in the poster proceedings of IAU Symposium No.200 (eds. B. Reipurth and H. Zinnecker). (In this replacement only the comment on future publishing is added.)

Subjects: Astrophysics (astro-ph)

[142] arXiv:astro-ph/0004143 [pdf, other]

Title: Neutrino-antineutrino transition under CP-transformation and solar neutrino puzzle

D.L. Khokhlov

Comments: This paper has been withdrawn

Subjects: Astrophysics (astro-ph)

[143] arXiv:astro-ph/0004144 [pdf, other]

Title: Homogeneous Photometry for Star Clusters and Resolved Galaxies. II. Photometric Standard Stars

Peter B. Stetson

Comments: Accepted for July 2000 PASP

Journal-ref: Publ.Astron.Soc.Pac. 112 (2000) 925-931

Subjects: Astrophysics (astro-ph)

[144] arXiv:astro-ph/0004145 [pdf, other]

Title: Strong Balmer lines in old stellar populations: No need for young ages in ellipticals?

Claudia Maraston, Daniel Thomas (Universitaets-Sternwarte Munich)

Comments: Accepted for publication in ApJ Main Journal, 9 pages, 5 figures

Journal-ref: Astrophys.J.541:126-133,2000

Subjects: Astrophysics (astro-ph)

[145] arXiv:astro-ph/0004146 [pdf, other]

Title: Population synthesis of HII galaxies

D.Raimann (IF-UFRGS, Brazil), E.Bica (IF-UFRGS, Brazil), T.Storchi-Bergmann (IF-UFRGS, Brazil), J.Melnick (ESO), H.Schmitt (Space Telescope Institute)

Comments: 12 pages, 4 figures, MNRAS in press

Subjects: Astrophysics (astro-ph)

[146] arXiv:astro-ph/0004147 [pdf, other]

Title: Measurements of the Diffuse Ultraviolet Background and the Terrestrial Airglow with the Space Telescope Imaging Spectrograph

Thomas M. Brown, Randy A. Kimble (GSFC), Henry C. Ferguson (STScI), Jonathan P. Gardner, Nicholas R. Collins, Robert S. Hill (GSFC)

Comments: 7 pages, Latex. 4 figures. Uses corrected version of this http URL and this http URL (included). Accepted for publication in AJ

Subjects: Astrophysics (astro-ph)

[147] arXiv:astro-ph/0004148 [pdf, other]

Title: Signatures of Interstellar-Intracluster Medium Interactions: Spiral Galaxy Rotation Curves in Abell 2029

Daniel A. Dale (IPAC/Caltech), Juan M. Uson (NRAO)

Comments: 22 pages, 6 figures, 3 tables; to appear in the August 2000 Astronomical Journal

Subjects: Astrophysics (astro-ph)

[148] arXiv:astro-ph/0004149 [pdf, other]

Title: The Observational Mass Function of Loose Galaxy Groups

M. Girardi (1), G. Giuricin (1,2); ((1) Dipartimento di Astronomia, Univ. di Trieste, Trieste, Italy (2) SISSA, Trieste, Italy.)

Comments: 13 pages, 9 eps figures, accepted by ApJ, corrected some typos

Subjects: Astrophysics (astro-ph)

[149] arXiv:astro-ph/0004150 [pdf, other]

Title: Orbits in a Neighboring Dwarf Galaxy According to MOND

Daniel Muller, Reuven Opher

Comments: Accepted for publication in the Astrophysical Journal

Journal-ref: ApJ 540, 57 (2000)

Subjects: Astrophysics (astro-ph)

[150] arXiv:astro-ph/0004151 [pdf, other]

Title: Weak Gravitational Lensing Bispectrum

Asantha Cooray (University of Chicago), Wayne Hu (IAS, Princeton)

Comments: 9 ApJ pages, 8 figures; submitted to ApJ

Journal-ref: Astrophys.J. 548 (2001) 7-18

Subjects: Astrophysics (astro-ph)