Astrophysics

Authors and titles for August 2004

[301] arXiv:astro-ph/0408301 [pdf, other]

Title: A 150MG magnetic white dwarf in the cataclysmic variable RX J1554.2+2721

B.T. Gaensicke, S. Jordan, K. Beuermann, D. de Martino, P. Szkody, T. Marsh, J. Thorstensen

Comments: 4 pages, accepted for ApJ Letters

Journal-ref: Astrophys.J.613:L141-L144,2004

Subjects: Astrophysics (astro-ph)

[302] arXiv:astro-ph/0408302 [pdf, other]

Title: Demodulation of RHESSI count rates by an unbiased linear Bayes estimator

Kaspar Arzner

Comments: 22 pages, 7 figures. To appear in J. Inverse Problems

Journal-ref: Inverse Prob. 20 (2004) 1729-1745

Subjects: Astrophysics (astro-ph)

[303] arXiv:astro-ph/0408303 [pdf, other]

Title: High energy gamma rays from the massive black hole in the Galactic Center

Felix Aharonian, Andrii Neronov

Comments: submitted to Astrophysical Journal

Journal-ref: Astrophys.J.619:306-313,2005

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

[304] arXiv:astro-ph/0408304 [pdf, other]

Title: Spatial Correlation Function of X-ray Selected AGN

C. R. Mullis, J. P. Henry, I. M. Gioia, H. Boehringer, U. G. Briel, W. Voges, J. P. Huchra

Comments: 17 pages, 8 figures, accepted for publication in ApJ, a version with high-resolution figures is available at this http URL, a machine-readable version of the ROSAT NEP AGN catalog is available at this http URL

Journal-ref: Astrophys.J. 617 (2004) 192-208

Subjects: Astrophysics (astro-ph)

[305] arXiv:astro-ph/0408305 [pdf, other]

Title: XMM-Newton and Chandra Observations of the Central Region of M31

Hiromitsu Takahashi, Yuu Okada, Motohide Kokubun, Kazuo Makishima

Comments: 27 pages, 8 figures, 4 tables, accepted for ApJ

Journal-ref: Astrophys.J. 615 (2004) 242-252

Subjects: Astrophysics (astro-ph)

[306] arXiv:astro-ph/0408306 [pdf, other]

Title: On the nature of the circumstellar medium of the remarkable type Ia/IIn supernova, SN 2002ic

Rubina Kotak (Imperial College London), Peter Meikle (Imperial College London), Andy Adamson (JAC), Sandy Leggett (JAC)

Comments: 5 pages, 4 figs. Accepted for publication in MNRAS Letters

Subjects: Astrophysics (astro-ph)

[307] arXiv:astro-ph/0408307 [pdf, other]

Title: Visibility-Based Demodulation of Rhessi Light Curves

Kaspar Arzner

Comments: 6 pages, 3 figures

Journal-ref: Adv.Space Sci.Technol. 34 (2004) 456-561

Subjects: Astrophysics (astro-ph)

[308] arXiv:astro-ph/0408308 [pdf, other]

Title: The V1647 Ori (IRAS 05436-0007) Protostar and its Environment

Peregrine M. McGehee (1 and 2), J. Allyn Smith (1 and 3), Arne A. Henden (4), Michael W. Richmond (5), Gillian R. Knapp (6), Douglas P. Finkbeiner (6), Zeljko Ivezic (6), J. Brinkmann (7) ((1) LANL, (2) NMSU, (3) Univ. Wyoming, (4) USRA/USNO, (5) RIT, (6) Princeton, (7) APO)

Comments: 21 pages, 6 figures, Figure 1 available as color JPEG, accepted by the Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[309] arXiv:astro-ph/0408309 [pdf, other]

Title: Small-Scale Structure of O VI Interstellar Gas in the Direction of the Globular Cluster NGC 6752

N. Lehner (UW-Madison), J. C. Howk (UC-San Diego)

Comments: Accepted for publication in the PASP (to appear in the October 2004 issue)

Subjects: Astrophysics (astro-ph)

[310] arXiv:astro-ph/0408310 [pdf, other]

Title: The Origin of Cosmic Rays - A 96-Year-Old Puzzle Solved?

Arnon Dar

Comments: Invited talks to be published in the proceedings of the 2004 La Thuile Workshop on Perspectives In High energy Physics, La Thuile, Aosta Valley, Italy, February 29-March 6, 2004 and of the 2004 Vulcano Workshop on Frontier Objects in Particle Physics and Astro Physics, Vulcano, Italy, May 24-29, 2004

Journal-ref: Nuovo Cim.B120:767-781,2005; Nuovo Cim.120B:767-781,2005

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

[311] arXiv:astro-ph/0408311 [pdf, other]

Title: On the observed disc temperature of accreting intermediate mass black holes

A.C. Fabian, R.R. Ross, J.M. Miller

Comments: 4 pages, 2 figs, to appear in MNRAS

Subjects: Astrophysics (astro-ph)

[312] arXiv:astro-ph/0408312 [pdf, other]

Title: Weightlessness of photons: A quantum effect

Ari Brynjolfsson

Comments: Only minor editorial changes from v2. This is reference [107] of arXiv:astro-ph/0401420 v3 7 Oct 2005: Redshift of photons penetrating a hot plasma

Subjects: Astrophysics (astro-ph)

[313] arXiv:astro-ph/0408313 [pdf, other]

Title: A Possible Explanation for the Size Difference of Red and Blue Globular Clusters

Andres Jordan (Rutgers & Oxford)

Comments: 5 pages, 3 figures. Accepted for publication in ApJ Letters

Journal-ref: Astrophys.J. 613 (2004) L117-L120

Subjects: Astrophysics (astro-ph)

[314] arXiv:astro-ph/0408314 [pdf, other]

Title: Polarization Signals of the 21 cm Background from the Era of Reionization

Asantha Cooray, Steven Furlanetto (Caltech)

Comments: 6 pages, 2 figures, submitted to MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 359 (2005) L47-L52

Subjects: Astrophysics (astro-ph)

[315] arXiv:astro-ph/0408315 [pdf, other]

Title: The cluster-scale AGN outburst in Hydra A

P. E. J. Nulsen (1, 2), B. R. McNamara (3), M. W. Wise (4), L. P. David (1) ((1) Harvard-Smithsonian Center for Astrophysics, (2) On leave from University of Wollongong, (3) Department of Physics and Astronomy, Ohio University, (3) MIT Center for Space Research)

Comments: 7 pages, 6 figures, submitted to ApJ

Journal-ref: Astrophys.J.628:629-636,2005

Subjects: Astrophysics (astro-ph)

[316] arXiv:astro-ph/0408316 [pdf, other]

Title: Cosmological Distances and Fractal Statistics of Galaxy Distribution

Marcelo B. Ribeiro (Physics Institute, University of Brazil-UFRJ, Rio de Janeiro)

Comments: 14 pages, 4 figures, A&A LaTeX macro. Minor linguistic changes to match the version sent to the publisher. Accepted for publication in "Astronomy and Astrophysics"

Journal-ref: Astron.Astrophys.429:65-74,2005

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

[317] arXiv:astro-ph/0408317 [pdf, other]

Title: Nonthermal Activity and Particle Acceleration in Clusters of Galaxies

Vahe' Petrosian (Stanford University)

Comments: 5 pages. Presented at IAU General Assembly, Sydney, Australia

Subjects: Astrophysics (astro-ph)

[318] arXiv:astro-ph/0408318 [pdf, other]

Title: Simulation of Relativistic Force-free Magnetohydrodynamic Turbulence

Jungyeon Cho

Comments: 4 pages; 3 figures; APJL, submitted

Journal-ref: Astrophys.J. 621 (2005) 324

Subjects: Astrophysics (astro-ph)

[319] arXiv:astro-ph/0408319 [pdf, other]

Title: Stellar evolution with rotation XI: Wolf-Rayet star populations at different metallicities

G. Meynet, A. Maeder

Comments: 20 pages, 16 figure, Astronomy and Astrophysics, in press

Subjects: Astrophysics (astro-ph)

[320] arXiv:astro-ph/0408320 [pdf, other]

Title: Evolution of the Most Massive Stars

André Maeder, Georges Meynet, Raphael Hirschi

Comments: 10 pages, 8 figures, in ``The Fate of the Most Massive Stars'', ASP Conf. Series

Subjects: Astrophysics (astro-ph)

[321] arXiv:astro-ph/0408321 [pdf, other]

Title: Multi-Resolution Radiative Transfer for Line Emission

M. Juvela (1), P. Padoan (2) ((1) Helsinki University Observatory, (2) University of California San Diego)

Comments: Submitted to ApJ, 34 pages, 14 figures

Journal-ref: Astrophys.J. 618 (2005) 744-756

Subjects: Astrophysics (astro-ph)

[322] arXiv:astro-ph/0408322 [pdf, other]

Title: Evolution at very low and zero Z

Georges Meynet, André Maeder, Sylvia Ekström

Comments: 10 pages, 5 figures, in ``The Fate of the Most Massive Stars'', ASP Conf. Series

Subjects: Astrophysics (astro-ph)

[323] arXiv:astro-ph/0408323 [pdf, other]

Title: A new proof for non-occurrence of trapped surfaces and information paradox

Abhas Mitra

Comments: Typos removed, minor changes, 10 pages

Subjects: Astrophysics (astro-ph)

[324] arXiv:astro-ph/0408324 [pdf, other]

Title: Analytical representations of unified equations of state of neutron-star matter

P. Haensel (CAMK, Warsaw), A. Y. Potekhin (Ioffe Institute, St. Petersburg)

Comments: 7 pages, 5 figures, 3 tables, accepted by A&A. In v.2, auxiliary fits (15) and (16) are corrected

Journal-ref: Astron.Astrophys. 428 (2004) 191-197

Subjects: Astrophysics (astro-ph)

[325] arXiv:astro-ph/0408325 [pdf, other]

Title: Properties and environment of the molecular complex near Holmberg IX

F. Boone (1), N. Brouillet (2), S. Huettemeister (1), C. Henkel (3), J. Braine (2), D. J. Bomans (1), F. Herpin (2), Z. Banhidi (1), M. Albrecht (1) ((1) AIRUB, (2) Observatoire de Bordeaux, (3) MPIfR)

Comments: 13 pages, 11 figures, accepted for publication in A&A

Journal-ref: Astron.Astrophys. 429 (2005) 129-140

Subjects: Astrophysics (astro-ph)

[326] arXiv:astro-ph/0408326 [pdf, other]

Title: Nuclear Spirals and Supermassive Black Holes

H. B. Ann, Parijat Thakur (Pusan National University, Korea)

Comments: 2 pages, 1 Postscript figures, appeared in International Astronomical Union Symposium no. 220, held 21 - 25 July, 2003 in Sydney, Australia. Eds: S. D. Ryder, D. J. Pisano, M. A. Walker, and K. C. Freeman. San Francisco: Astronomical Society of the Pacific

Journal-ref: IAUS 220 (2004) 315

Subjects: Astrophysics (astro-ph)

[327] arXiv:astro-ph/0408327 [pdf, other]

Title: Probing the obscuring medium around active nuclei using masers: The case of 3C403

A. Tarchi, C. Henkel, M. Chiaberge, K.M. Menten, A. Brunthaler, L. Moscadelli

Comments: Seven pages. Three figures. To appear in the Proceedings of the 2004 European Workshop: "Dense Molecular Gas around Protostars and in Galactic Nuclei", Eds. Y. Hagiwara, W.A. Baan, H.J. van Langevelde, 2004, a special issue of ApSS, Kluwer

Journal-ref: Astrophys.Space Sci. 295 (2005) 117-123

Subjects: Astrophysics (astro-ph)

[328] arXiv:astro-ph/0408328 [pdf, other]

Title: Tidal interactions of close-in extrasolar planets: the OGLE cases

Martin Paetzold (1), Ludmila Carone (1), Heike Rauer (2) ((1) Institute for Geophysics and Meteorology University of Cologne, (2) Institute of Planetary Research DLR Berlin)

Comments: 7 pages, 4 figures

Journal-ref: Astron.Astrophys. 427 (2004) 1075-1080

Subjects: Astrophysics (astro-ph)

[329] arXiv:astro-ph/0408329 [pdf, other]

Title: X-rays from the Mira AB Binary System

Joel H. Kastner (Chester F. Carlson Center for Imaging Science, Rochester Institute of Technology), Noam Soker (Department of Physics, Technion-Israel Institute of Technology)

Comments: 14 pages, 3 figures; to appear in the Astrophysical Journal

Journal-ref: Astrophys.J. 616 (2004) 1188-1192

Subjects: Astrophysics (astro-ph)

[330] arXiv:astro-ph/0408330 [pdf, other]

Title: Heavy elements and chemical enrichment in globular clusters

G. James (1), P. Francois (1), P. Bonifacio (2), E. Carretta (3), R. G. Gratton (3), F. Spite (1) ((1) Observatoire de Paris - GEPI, France, (2) INAF - Osservatorio Astronomico di Trieste, Italy, (3) INAF - Osservatorio Astronomico di Padova, Italy)

Comments: 15 pages, 4 figures, to be published in A&A

Journal-ref: Astron.Astrophys. 427 (2004) 825-838

Subjects: Astrophysics (astro-ph)

[331] arXiv:astro-ph/0408331 [pdf, other]

Title: Evidence for a Black Hole in the X-ray transient GS 1354-64 (=BW Cir)

J. Casares, C. Zurita, T. Shahbaz, P.A. Charles, R.P. Fender

Comments: 5 pages, 4 figures; accepted for publication in the Astrophysical Journal Letters

Journal-ref: Astrophys.J. 613 (2004) L133-L136

Subjects: Astrophysics (astro-ph)

[332] arXiv:astro-ph/0408332 [pdf, other]

Title: An X-ray Outburst from the Rapidly Accreting Young Star That Illuminates McNeil's Nebula

J.H. Kastner (1), M. Richmond (1), N. Grosso (2), D.A. Weintraub (3), T. Simon (4), A. Frank (5), K. Hamaguchi (6), H. Ozawa (2), A. Henden (7) ((1) Rochester Institute of Technology, (2) Laboratoire d'Astrophysique de Grenoble, (3) Vanderbilt University, (4) Institute for Astronomy, (5) University of Rochester, (6) NASA Goddard Space Flight Center, (7) U.S. Naval Observatory)

Comments: 15 pages, 3 figures; published in Nature

Journal-ref: Nature, Vol. 430, pp. 429-431 (July 22, 2004)

Subjects: Astrophysics (astro-ph)

[333] arXiv:astro-ph/0408333 [pdf, other]

Title: Age Constraints for an M31 Globular Cluster from Main Sequence Photometry

Thomas M. Brown, Henry C. Ferguson, Ed Smith (STScI), Randy A. Kimble, Allen V. Sweigart (GSFC), Alvio Renzini (ESO), R. Michael Rich (UCLA), Don A. VandenBerg (U. of Victoria)

Journal-ref: Astrophys.J. 613 (2004) L125-L128

Subjects: Astrophysics (astro-ph)

[334] arXiv:astro-ph/0408334 [pdf, other]

Title: Average UV Quasar Spectra in the Context of Eigenvector 1: A Baldwin Effect Governed by Eddington Ratio?

R. Bachev, P. Marziani, J. W. Sulentic, R. Zamanov, M. Calvani, D. Dultzin-Hacyan

Comments: 39 pages, 6 figures. To appear in ApJ

Journal-ref: Astrophys.J. 617 (2004) 171-183

Subjects: Astrophysics (astro-ph)

[335] arXiv:astro-ph/0408335 [pdf, other]

Title: Dwarf Novae with Newly Determined Parallaxes: Model Analyses of VY Aquari, RU Pegasi, and T Leonis

R.T. Hamilton, E.M. Sion

Comments: The paper will apear in the October, 2004 issue of PASP

Subjects: Astrophysics (astro-ph)

[336] arXiv:astro-ph/0408336 [pdf, other]

Title: Structure of the Periphery of the Large Magellanic Cloud Revealed by 2MASS

David R. Alves

Comments: This paper has been withdrawn

Subjects: Astrophysics (astro-ph)

[337] arXiv:astro-ph/0408337 [pdf, other]

Title: A Compact Starburst Core in the Dusty Lyman Break Galaxy Westphal-MD11

Andrew J. Baker, Linda J. Tacconi, Reinhard Genzel, Dieter Lutz, Matthew D. Lehnert

Comments: 5 pages, 1 figure (emulateapj), accepted by ApJL

Journal-ref: Astrophys.J. 613 (2004) L113-L116

Subjects: Astrophysics (astro-ph)

[338] arXiv:astro-ph/0408338 [pdf, other]

Title: The Hubble Constant from Gravitational Lens Time Delays

Paul L. Schechter

Comments: 16 pages, 7 figures. To be published in the proceedings of IAU Symposium No. 225: The Impact of Gravitational Lensing on Cosmology, Y. Mellier and G. Meylan, eds

Subjects: Astrophysics (astro-ph)

[339] arXiv:astro-ph/0408339 [pdf, other]

Title: X-ray/Optical/Radio Observations of a Resolved Supernova Remnant in NGC 6822

A.K.H. Kong (CfA), L.O. Sjouwerman (NRAO), B.F. Williams (CfA)

Comments: 6 pages, 3 figures, accepted for publication in the Astronomical Journal

Subjects: Astrophysics (astro-ph)

[340] arXiv:astro-ph/0408340 [pdf, other]

Title: Triggering the Formation of Halo Globular Clusters with Galaxy Outflows

Evan Scannapieco, Jon Weisheit, Francis Harlow

Comments: 21 pages, 11 figures, Apj in press

Journal-ref: Astrophys.J. 615 (2004) 29-44

Subjects: Astrophysics (astro-ph)

[341] arXiv:astro-ph/0408341 [pdf, other]

Title: Uranus's anomalously low excess heat constrains strongly interacting dark matter

Saibal Mitra

Comments: 6 REVTeX pages, version accepted by PRD

Journal-ref: Phys.Rev. D70 (2004) 103517

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

[342] arXiv:astro-ph/0408342 [pdf, other]

Title: Metal Abundances of KISS Galaxies III. Nebular Abundances for Fourteen Galaxies and the Luminosity-Metallicity Relationship for HII Galaxies

Janice C. Lee, John J. Salzer, Jason Melbourne

Comments: 36 pages, 5 figures. ApJ, in press

Journal-ref: Astrophys.J. 616 (2004) 752-767

Subjects: Astrophysics (astro-ph)

[343] arXiv:astro-ph/0408343 [pdf, other]

Title: Search for Small-Scale Anisotropy of Cosmic Rays above 10^19 eV with HiRes Stereo

Stefan Westerhoff (for the High Resolution Fly's Eye Collaboration, HiRes)

Comments: 6 pages, 4 figures; to appear in the proceedings of CRIS 2004, Catania, Italy, 31 May - 4 June 2004 (Nuclear Phys. B)

Journal-ref: Nucl. Phys. B (Proceedings Suppl.) 136C (2004) 46-51

Subjects: Astrophysics (astro-ph)

[344] arXiv:astro-ph/0408344 [pdf, other]

Title: Constraining Dark Energy with DEEP2

Marc Davis, Brian F. Gerke, Jeffrey A. Newman

Comments: 13 pages, 4 figures. To appear in the proceedings of "Observing Dark Energy: NOAO Workshop", Mar 18-20 2004. To download a higher resolution version of Fig. 1, go to this http URL

Subjects: Astrophysics (astro-ph)

[345] arXiv:astro-ph/0408345 [pdf, other]

Title: Some Like it Hot: The X-Ray Emission of The Giant Star YY Mensae

Marc Audard (1), Alessandra Telleschi (2), Manuel Guedel (2), Stephen L. Skinner (3), Roberto Pallavicini (4), Urmila Mitra-Kraev (5) ((1) Columbia University, (2) Paul Scherrer Institut, (3) CASA/University of Colorado, (4) Osservatorio Astronomico di Palermo, (5) MSSL)

Comments: Accepted paper to appear in Astrophysical Journal, issue Nov 10, 2004 (v615). This a revised version. Small typos are corrected. Figure 7 and its caption and some related text in Sct 7.2 are changed, without incidence for the conclusions

Journal-ref: Astrophys.J. 617 (2004) 531-550

Subjects: Astrophysics (astro-ph)

[346] arXiv:astro-ph/0408346 [pdf, other]

Title: Can WIMP Spin Dependent Couplings explain DAMA data, in light of Null Results from Other Experiments?

Christopher Savage, Paolo Gondolo, Katherine Freese

Comments: 11 pages, 5 figures. v2: added Baksan results, added references, other minor changes. v3: minor changes to match PRD version

Journal-ref: Phys.Rev. D70 (2004) 123513

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

[347] arXiv:astro-ph/0408347 [pdf, other]

Title: Junction conditions of cosmological perturbations

Kenji Tomita

Comments: 19 pages

Journal-ref: Phys.Rev. D70 (2004) 123502

Subjects: Astrophysics (astro-ph)

[348] arXiv:astro-ph/0408348 [pdf, other]

Title: Evidence for Intrinsic Redshifts in Normal Spiral Galaxies

David G. Russell

Comments: Accepted for publication at Astrophysics&Space Science. 36 pages including 8 tables and 7 figures

Journal-ref: Astrophys.Space Sci. 298 (2005) 577-602

Subjects: Astrophysics (astro-ph)

[349] arXiv:astro-ph/0408349 [pdf, other]

Title: Correlation Function in Deep Redshift Space as a Cosmological Probe

Takahiko Matsubara

Comments: 13 pages, 8 figures, ApJ in press

Journal-ref: Astrophys.J. 615 (2004) 573-585

Subjects: Astrophysics (astro-ph)

[350] arXiv:astro-ph/0408350 [pdf, other]

Title: Gamma Ray Bursts: new rulers to measure the Universe

G. Ghirlanda (1), G. Ghisellini (1), D. Lazzati (2), C. Firmani (1) ((1) INAF - Osservatorio Astronomico Brera, Italy, (2) IoA - Cambridge, UK)

Comments: 11 pages, 4 color figures, ApJ Letters (vol. 613) in press

Journal-ref: Astrophys.J.613:L13-L16,2004

Subjects: Astrophysics (astro-ph)