Astrophysics

Authors and titles for August 2000

[301] arXiv:astro-ph/0008301 [pdf, other]

Title: Optical Variability of the T Tauri Star HH30

Kenneth Wood, Scott Wolk, K.Z. Stanek, George Leussis (CfA), Keivan Stassun (Wisconsin), Michael Wolff, Barbara Whitney (Space Science Institute)

Comments: 7 pages, 3 figures. Accepted for ApJ Letters

Journal-ref: 2000, ApJ, 542, L21

Subjects: Astrophysics (astro-ph)

[302] arXiv:astro-ph/0008302 [pdf, other]

Title: A New Look at Simple Inhomogeneous Chemical Evolution

M. S. Oey (STScI)

Comments: Accepted by ApJ Letters. 4 pages, 4 figures, uses this http URL. Also available at this http URL Revised Figures 3 and 4

Subjects: Astrophysics (astro-ph)

[303] arXiv:astro-ph/0008303 [pdf, other]

Title: Recent X-ray Observations of Disk Galaxies: Tracing the Dynamic Interstellar Medium

Q. Daniel Wang

Comments: 6 pages (including figures), an invited talk presented in the conference, Galaxy Disks and Disk Galaxies

Subjects: Astrophysics (astro-ph)

[304] arXiv:astro-ph/0008304 [pdf, other]

Title: Effects of Environment and Energy Injection on Gamma-Ray Burst Afterglows

Z. G. Dai (Nanjing University)

Comments: 7 pages, To appear in the proceedings of the First KIAS International Workshop on Astrophysics: Explosive Phenomena in Astrophysical Compact Objects, Seoul, Korea; 24-27 May 2000

Subjects: Astrophysics (astro-ph)

[305] arXiv:astro-ph/0008305 [pdf, other]

Title: Biased Galaxy Formation And Measurements Of Beta

Andreas A. Berlind (1), Vijay K. Narayanan (2), David H. Weinberg (1) ((1) The Ohio State University, (2) Princeton University)

Comments: 26 pages including 9 eps figures. Submitted to ApJ

Journal-ref: Astrophys.J.549:688-701,2001

Subjects: Astrophysics (astro-ph)

[306] arXiv:astro-ph/0008306 [pdf, other]

Title: Can luminosity distance measurements probe the equation of state of dark energy

Pierre Astier

Comments: 12 pages, 3 Postscript figures, use epsfig, amssymb, amsmath. Submitted to Physics Letters. B

Subjects: Astrophysics (astro-ph)

[307] arXiv:astro-ph/0008307 [pdf, other]

Title: Science User Scenarios for a Virtual Observatory Design Reference Mission: Science Requirements for Data Mining

Kirk D. Borne

Comments: 4 pages. Paper to appear in the proceedings of the June 2000 "Virtual Observatories of the Future" conference at Caltech, edited by R. J. Brunner, S. G. Djorgovski, & A. Szalay. (For figures and demos related to sample user scenarios, see this http URL .)

Subjects: Astrophysics (astro-ph); Databases (cs.DB); Digital Libraries (cs.DL); Information Retrieval (cs.IR)

[308] arXiv:astro-ph/0008308 [pdf, other]

Title: Structure and evolution of the inner Milky Way galaxy: results from ISOGAL

Jacco van Loon (IoA Cambridge, UK, for the ISOGAL Collaboration)

Comments: 4 pages, 2 figures. Oral contribution to the 1st Euroconference on The Evolution of Galaxies. I. Observational Clues, eds. J.M. Vilchez, G. Stasinska and E. Perez

Subjects: Astrophysics (astro-ph)

[309] arXiv:astro-ph/0008309 [pdf, other]

Title: Possible direct method to determine the radius of a star from the spectrum of gravitational wave signals

Motoyuki Saijo, Takashi Nakamura

Comments: 4 pages with 3 eps figures, this http URL, accepted for publication in Phys. Rev. Lett

Journal-ref: Phys.Rev.Lett.85:2665-2668,2001

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

[310] arXiv:astro-ph/0008310 [pdf, other]

Title: The M(BH)-Sigma Relation for Supermassive Black Holes

David Merritt, Laura Ferrarese (Rutgers University)

Comments: The Astrophysical Journal, in press

Journal-ref: Astrophys.J. 547 (2001) 140

Subjects: Astrophysics (astro-ph)

[311] arXiv:astro-ph/0008311 [pdf, other]

Title: A Submillimeter Study of the Star-Forming Region NGC7129

Andreea S. Font, George F. Mitchell (Saint Mary's University), Goeran Sandell (USRA, NASA Ames Research Center)

Comments: Accepted by ApJ

Subjects: Astrophysics (astro-ph)

[312] arXiv:astro-ph/0008312 [pdf, other]

Title: Photometric Properties of the Arp 220 Super Star Clusters

Yasuhiro Shioya, Yoshiaki Taniguchi, Neil Trentham

Comments: 8 pages, 5 figures. Accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 321 (2001) 11

Subjects: Astrophysics (astro-ph)

[313] arXiv:astro-ph/0008313 [pdf, other]

Title: Distribution of dust and stars in the Galaxy

Ronald Drimmel, David Spergel

Comments: 8 pages, 4 figures, to be published in the proceedings of the 4th Tetons Summer Conference "Galactic Structure, Stars, and the ISM," PASP conference series

Subjects: Astrophysics (astro-ph)

[314] arXiv:astro-ph/0008314 [pdf, other]

Title: Opportunities for future supernova studies of cosmic acceleration

Jochen Weller, Andreas Albrecht

Comments: Four pages including figures. Final published version. No significant changes from v1

Journal-ref: Phys.Rev.Lett.86:1939-1942,2001

Subjects: Astrophysics (astro-ph); High Energy Physics - Experiment (hep-ex); High Energy Physics - Phenomenology (hep-ph)

[315] arXiv:astro-ph/0008315 [pdf, other]

Title: An HST Lensing Survey of X-ray Luminous Galaxy Clusters: I. A383

Graham P. Smith, Jean-Paul Kneib, Harald Ebeling, Oliver Czoske, Ian Smail

Comments: 9 pages, 8 figures (2 GIFs), submitted to ApJ

Subjects: Astrophysics (astro-ph)

[316] arXiv:astro-ph/0008316 [pdf, other]

Title: ISO-SWS calibration and the accurate modelling of cool-star atmospheres: I. Method

L. Decin (1), C. Waelkens (1), K. Eriksson (2), B. Gustafsson (2)B.Plez (3), A.J. Sauval (4), W. Van Assche (5), B. Vandenbussche (1) ((1) Instituut voor Sterrenkunde, Leuven, Belgium (2) Astronomiska Observatoriet, Uppsala, Sweden (3) Universite de Montpellier II, Montpellier, France (4) Observatoire Royal de Belgique, Bruxelles, Belgium (5) Instituut voor Wiskunde, Leuven, Belgium)

Comments: 20 pages, 7 figures, accepted by A&A Main Journal on August, 3 2000

Subjects: Astrophysics (astro-ph)

[317] arXiv:astro-ph/0008317 [pdf, other]

Title: NGC1614: A Laboratory for Starburst Evolution

A. Alonso-Herrero (1,2), C. W. Engelbracht (1), M. J. Rieke (1), G. H. Rieke (1), A. C. Quillen (1) ((1) Steward Observatory (2) University of Hertfordshire)

Comments: Accepted for publication in ApJ. 20 pages (uses emulateapj)

Subjects: Astrophysics (astro-ph)

[318] arXiv:astro-ph/0008318 [pdf, other]

Title: The WIMP annual modulation signal and non-standard halo models

Anne M. Green

Comments: 6 pages, 6 .ps figures, final version to appear in Phys. Rev. D, figs. 1-3 replotted for clarity, minor changes to discussion

Journal-ref: Phys.Rev.D63:043005,2001

Subjects: Astrophysics (astro-ph); High Energy Physics - Phenomenology (hep-ph)

[319] arXiv:astro-ph/0008319 [pdf, other]

Title: Bimodal Accretion Disks: SSD-ADAF Transitions

Wei-Min Gu, Ju-Fu Lu

Comments: 12 pages, 3 figures, accepted by ApJ Letter

Subjects: Astrophysics (astro-ph)

[320] arXiv:astro-ph/0008320 [pdf, other]

Title: Comparing Giant Molecular Clouds in M31, M33 & the Milky Way

Kartik Sheth, Stuart N. Vogel (U. Maryland), Christine D. Wilson (McMaster University), T. M. Dame (Harvard-Smithsonian CfA)

Comments: 4 pages including 4 figures, to be published in "The Interstellar Medium in M31 and M33", Proceedings 232. WE-Heraeus-Seminar held from May 22-25, 2000 in Bad Honnef in Germany

Subjects: Astrophysics (astro-ph)

[321] arXiv:astro-ph/0008321 [pdf, other]

Title: 85-GHz BIMA observations of the double-hotspot radio galaxy 3C20

M. J. Hardcastle, L. W. Looney

Comments: 10 pages, 8 figures, accepted by MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 320 (2001) 355

Subjects: Astrophysics (astro-ph)

[322] arXiv:astro-ph/0008322 [pdf, other]

Title: The SPIFFI image slicer: Revival of image slicing with plane mirrors

Matthias Tecza, Niranjan Thatte, Frank Eisenhauer, Sabine Mengel, Claudia Roehrle, Klaus Bickert

Comments: 7 pages, 4 figures, to appear in SPIE proceedings 'Astronomical Telescopes and Instrumentation 2000'

Subjects: Astrophysics (astro-ph)

[323] arXiv:astro-ph/0008323 [pdf, other]

Title: A Newly Discovered SU UMa-Type Dwarf Nova, HS 1449+6415

D. Nogami, D. Engels, B. T. Gaensicke, E. P. Pavlenko, R. Novak, K. Reinsch

Comments: 5 pages, 6 figures, submitted to A&A

Subjects: Astrophysics (astro-ph)

[324] arXiv:astro-ph/0008324 [pdf, other]

Title: HST Optical-NIR Colors of Nearby $R^{1/4}$ and Exponential Bulges

C.M. Carollo, M. Stiavelli, P.T. de Zeeuw, M. Seigar, H. Dejonghe

Comments: ApJ, accepted, Dec 10, 2000 Issue

Subjects: Astrophysics (astro-ph)

[325] arXiv:astro-ph/0008325 [pdf, other]

Title: Response of circumnuclear water masers to luminosity changes in an active galactic nucleus

David A. Neufeld

Comments: 12 pages (AASTeX), including 4 figures. Accepted for publication in ApJ Letters

Subjects: Astrophysics (astro-ph)

[326] arXiv:astro-ph/0008326 [pdf, other]

Title: New VLBI Constraints for 0957+561 Lens Models

Deborah Haarsma (Calvin College), Joseph Leh'ar (Harvard-Smithsonian Center for Astrophysics), Rennan Barkana (Princeton Institute for Advanced Study)

Comments: 3 pages, 3 figures. The first two pages will appear in "Gravitational Lensing: Recent Progress and Future Goals", held July 26-30, 1999, ed. T. G. Brainerd and C. S. Kochanek (ASP San Francisco), in press. The third page is additional material presented at the conference which did not fit in the page limit of the proceedings

Subjects: Astrophysics (astro-ph)

[327] arXiv:astro-ph/0008327 [pdf, other]

Title: What is the behavior of the ISM in the SMC?

S. Stanimirovic

Comments: 4 pages, 2 figures, to appear in the proceedings of "The Evolution of Galaxies: I Observational Clues", eds. J.M. Vilchez, G. Stasinska & E. Perez

Journal-ref: Astrophys.Space Sci. 277 (2001) 87-90

Subjects: Astrophysics (astro-ph)

[328] arXiv:astro-ph/0008328 [pdf, other]

Title: A Deep Multicolor Survey. VI. Near-Infrared Observations, Selection Effects, and Number Counts

Paul Martini (Ohio State University)

Comments: AJ Accepted (Feb 2001). 28 pages, 7 embedded ps figures, AASTEX5. Minor changes to submitted version. Also available at this http URL

Journal-ref: Astron.J. 121 (2003) 598-610

Subjects: Astrophysics (astro-ph)

[329] arXiv:astro-ph/0008329 [pdf, other]

Title: Why is the Fraction of Four-Image Radio Lens Systems So High?

D. Rusin, Max Tegmark

Comments: Final version. 27 pages, including 9 figs, minor typos corrected, ApJ in press (June 2001)

Journal-ref: Astrophys.J.553:709-721,2001

Subjects: Astrophysics (astro-ph)

[330] arXiv:astro-ph/0008330 [pdf, other]

Title: A Test for the Nature of the Type Ia Supernova Explosion Mechanism

Philip A. Pinto (1), Ronald G. Eastman (2), Tamara Rogers (3) ((1) Steward Observatory, Univ. of Arizona, (2) Lawrence Livermore National Laboratory, (3) Lick Observatory, University of California, Santa Cruz)

Comments: 30 pages, 17 figures

Subjects: Astrophysics (astro-ph)

[331] arXiv:astro-ph/0008331 [pdf, other]

Title: Discovery of a Slow X-Ray Pulsator, AX J1740.1-2847, in the Galactic Center Region

Masaaki Sakano (1), Ken'ichi Torii (1), Katsuji Koyama (2 and 3), Yoshitomo Maeda (4), Shigeo Yamauchi (5) ((1) NASDA (2) Dept. Phys., Kyoto Univ. (3) CREST (4) Penn-State Univ. (5) Iwate Univ.)

Comments: To appear in PASJ Dec. 25, 2000 issue, Vol.52 No.6; 5 pages LaTeX files, uses this http URL, this http URL, this http URL; also available at this http URL

Subjects: Astrophysics (astro-ph)

[332] arXiv:astro-ph/0008332 [pdf, other]

Title: Comparison of the Two Followup Observation Strategies for Gravitational Microlensing Planet Searches

Cheongho Han, Yong-Gi Kim (Chungbuk National University, Korea)

Comments: total 5 pages, including 3 figures and 1 table, ApJ, submitted

Journal-ref: CNU-A&SS-08/2000

Subjects: Astrophysics (astro-ph)

[333] arXiv:astro-ph/0008333 [pdf, other]

Title: Radio Halos of Galaxy Clusters from Hadronic Secondary Electron Injection in Realistic Magnetic Field Configurations

Klaus Dolag, Torsten A. Ensslin

Comments: 7 pages, 6 figures, accepted for publication in Astronomy and Astrophysics

Journal-ref: Astron.Astrophys.362:151,2000

Subjects: Astrophysics (astro-ph)

[334] arXiv:astro-ph/0008334 [pdf, other]

Title: Phenomenon of Gamma-Ray Bursts as Relativistic Detonation of Scalar Fields

V. Folomeev, V.Gurovich, R. Usupov

Comments: LaTex, 7 pages, 2 figures

Subjects: Astrophysics (astro-ph)

[335] arXiv:astro-ph/0008335 [pdf, other]

Title: Unidentified Infrared Emission Bands in the Diffuse Interstellar Medium

Kin-Wing Chan, T. L. Roellig, T. Onaka, M. Mizutani, K. Okumura, I. Yamamura, T. Tanabe, H. Shibai, T. Nakagawa, H. Okuda

Comments: 13 pages, 6 figures. Accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[336] arXiv:astro-ph/0008336 [pdf, other]

Title: The impact of chemical evolution on the observable properties of stellar populations

M.Tosi (Osservatorio Astronomico di Bologna)

Comments: 10 pages, 7 encapsulated figs. Review paper to appear in 'The Evolution of Galaxies. I. Observational Clues', J.M. Vilchez, this http URL and E. Perez eds. (Kluwer, Dordrecht) in press

Journal-ref: Astrophys.Space Sci. 277 (2001) 241-250

Subjects: Astrophysics (astro-ph)

[337] arXiv:astro-ph/0008337 [pdf, other]

Title: Cosmological Relativity: A General-Relativistic Theory for the Accelerating Expanding Universe

M. Carmeli, S. Behar

Journal-ref: Inter. J. Theor. Phys., 39 (2000) 1375

Subjects: Astrophysics (astro-ph)

[338] arXiv:astro-ph/0008338 [pdf, other]

Title: Discovery of a New Supernova Remnant in the Direction of G69.7+1.0

Kumi Yoshita, Emi Miyata, Hiroshi Tsunemi (Osaka University)

Comments: Accepted for publication in PASJ, 9 pages, 5 figures

Subjects: Astrophysics (astro-ph)

[339] arXiv:astro-ph/0008339 [pdf, other]

Title: First Results from the Heidelberg Dark Matter Search Experiment

L. Baudis, A. Dietz, B. Majorovits, F. Schwamm, H. Strecker, H. V. Klapdor-Kleingrothaus

Comments: 11 pages, latex, 4 tables, 10 figures; submitted to Phys. Rev. D

Journal-ref: Phys.Rev.D63:022001,2001

Subjects: Astrophysics (astro-ph)

[340] arXiv:astro-ph/0008340 [pdf, other]

Title: Spectroscopy of diffuse ionized gas in halos of selected edge-on galaxies

R. Tuellmann, R.-J. Dettmar (Astronomisches Institut, Ruhr-Universitaet Bochum, Germany)

Comments: Accepted for publication in A&A, 15 pages, 17 figures. For high resolution ps-files, see this http URL

Subjects: Astrophysics (astro-ph)

[341] arXiv:astro-ph/0008341 [pdf, other]

Title: Dynamical Evolution: Spirals and Bars

F.Combes (DEMIRM, Paris Observatory)

Comments: 8 pages, 5 figures, to appear in ASP Conference Series, "Galaxy Disks and Disk Galaxies", J.G. Funes S.J. and E.M. Corsini, eds

Subjects: Astrophysics (astro-ph)

[342] arXiv:astro-ph/0008342 [pdf, other]

Title: Halo and Relic Sources in Clusters of Galaxies

G. Giovannini, L. Feretti

Comments: 16 Figures in separated files. A large ps file with figures (this http URL) in the text is avaialble at this ftp URL New Astronomy Vol. 5, p.335, in press

Subjects: Astrophysics (astro-ph)

[343] arXiv:astro-ph/0008343 [pdf, other]

Title: Flat radio-spectrum galaxies and BLLacs: Part I: core properties

J.Dennett-Thorpe, M.J. Marcha

Comments: Accepted A&A. 13 pages

Subjects: Astrophysics (astro-ph)

[344] arXiv:astro-ph/0008344 [pdf, other]

Title: Thermal X-ray Emission and Cosmic Ray Production in Young Supernova Remnants

A. Decourchelle, D.C. Ellison, J. Ballet

Comments: 4 pages, 3 figures, accepted in ApJ Letters

Subjects: Astrophysics (astro-ph)

[345] arXiv:astro-ph/0008345 [pdf, other]

Title: A new look at globular cluster colors in NGC 3311 and the case for exclusively metal-rich globular cluster systems

Jean P. Brodie (1), Soeren S. Larsen (1), Markus Kissler-Patig (2) ((1) UCO/Lick Observatory, (2) ESO)

Comments: 11 pages, 2 figures, accepted for publication in ApJ Letters

Subjects: Astrophysics (astro-ph)

[346] arXiv:astro-ph/0008346 [pdf, other]

Title: X-ray Emission from Isolated Be Stars

David H. Cohen

Comments: To appear in A.S.P. conf. ser. 214, The Be Phenomenon in Early-Type Stars, eds. Smith, Henrichs, Fabregat; Also available at this http URL

Subjects: Astrophysics (astro-ph)

[347] arXiv:astro-ph/0008347 [pdf, other]

Title: Atomic and Molecular Gas near NGC3077: The Making of a New Dwarf Galaxy?

Fabian Walter, Andreas Heithausen

Comments: Conference Proceedings ``HI in the Local Universe II'', Guanajuato, Mexico, 2000

Subjects: Astrophysics (astro-ph)

[348] arXiv:astro-ph/0008348 [pdf, other]

Title: Orbit Fitting and Uncertainties for Kuiper Belt Objects

G. Bernstein, B. Khushalani

Comments: 21 pages AASTeX5, 3 figures, accepted to AJ. Associated software available at this http URL

Subjects: Astrophysics (astro-ph)

[349] arXiv:astro-ph/0008349 [pdf, other]

Title: Interstellar X-ray Absorption Spectroscopy of Oxygen, Neon, and Iron with the Chandra LETGS Spectrum of X0614+091

Frits Paerels, A. C. Brinkman, R. L. J. van der Meer, J. S. Kaastra, E. Kuulkers, A. J. F. den Boggende, P. Predehl, Jeremy J. Drake, Steven M. Kahn, Daniel W. Savin, Brendan M. McLaughlin

Comments: 16 pages, 4 figures; ApJ, accepted

Journal-ref: Astrophys.J. 546 (2001) 338

Subjects: Astrophysics (astro-ph)

[350] arXiv:astro-ph/0008350 [pdf, other]

Title: Intermittent behavior of cosmic mass field revealed by QSO's Ly_alpha forests

Priya Jamkhedkar, Hu Zhan, Li-Zhi Fang

Comments: Accepted for publication in ApJ Letters, 12 pages, 3 figures

Subjects: Astrophysics (astro-ph)