Astrophysics

Authors and titles for September 2004

[401] arXiv:astro-ph/0409401 [pdf, other]

Title: The faint HI environment of galaxies: a laboratory for testing galaxy formation

Edvige Corbelli

Comments: this http URL, 5 pages, 1 figure, to appear in: "Science with the Square Kilometer Array," New Astronomy Reviews, eds. C. Carilli, S. Rawlings (Elsevier: Amsterdam)

Journal-ref: New Astron.Rev. 48 (2004) 1275-1279

Subjects: Astrophysics (astro-ph)

[402] arXiv:astro-ph/0409402 [pdf, other]

Title: Mini High Velocity Clouds

G. Lyle Hoffman, E. E. Salpeter, Ajay Hirani

Comments: Astronomical Journal, in press

Subjects: Astrophysics (astro-ph)

[403] arXiv:astro-ph/0409403 [pdf, other]

Title: Gamma-Ray Constraint on Galactic Positron Production by MeV Dark Matter

John F. Beacom (Ohio State University), Nicole F. Bell (Fermilab and Caltech), Gianfranco Bertone (Fermilab)

Comments: 4 pages, 2 figures, submitted to Physical Review Letters

Journal-ref: Phys.Rev.Lett.94:171301,2005

Subjects: Astrophysics (astro-ph); High Energy Physics - Phenomenology (hep-ph); Nuclear Theory (nucl-th)

[404] arXiv:astro-ph/0409404 [pdf, other]

Title: Evolution of self-gravitating magnetized disks. II- Interaction between MHD turbulence and gravitational instabilities

Sebastien Fromang, Steven A. Balbus, Caroline Terquem, Jean-Pierre De Villiers

Comments: 31 pages, 19 figures, accepted for publication in ApJ, animation avalaible at this http URL

Journal-ref: Astrophys.J. 616 (2004) 364-375

Subjects: Astrophysics (astro-ph)

[405] arXiv:astro-ph/0409405 [pdf, other]

Title: Scanning strategy for mapping the Cosmic Microwave Background anisotropies with Planck

X. Dupac, J. Tauber (ESA-ESTEC, Noordwijk, Netherlands)

Comments: 10 pages, 12 figures, accepted in A&A. Degraded JPEG figures

Subjects: Astrophysics (astro-ph)

[406] arXiv:astro-ph/0409406 [pdf, other]

Title: Particle decay during inflation: self-decay of inflaton quantum fluctuations during slow roll

D. Boyanovsky, H. J. de Vega, N. G. Sanchez

Comments: 27 pages, LaTex, 5 .eps figures, to appear in Phys. Rev. D

Journal-ref: Phys.Rev.D71:023509,2005

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

[407] arXiv:astro-ph/0409407 [pdf, other]

Title: Age-Dating of Starburst Galaxies

Claus Leitherer (Space Telescope Science Institute)

Comments: 16 pages, 6 figures. Invited review talk. To be published in "The Evolution of Starbursts", ed. S. Huettemeister & E. Manthey (Melville: AIP), in press

Subjects: Astrophysics (astro-ph)

[408] arXiv:astro-ph/0409408 [pdf, other]

Title: Disks Surviving the Radiation Pressure of Radio Pulsars

K.Y. Eksi, M.A. Alpar (Sabanci University, Turkey)

Comments: Accepted by Astrophysical Journal, final version with a minor correction

Subjects: Astrophysics (astro-ph)

[409] arXiv:astro-ph/0409409 [pdf, other]

Title: Continuum Acceleration of Black Hole Winds

J. E. Everett, D. R. Ballantyne (CITA)

Comments: 5 pages, 4 figures, accepted to ApJL

Journal-ref: Astrophys.J. 615 (2004) L13-L16

Subjects: Astrophysics (astro-ph)

[410] arXiv:astro-ph/0409410 [pdf, other]

Title: Massive Star Formation in the W49 Giant Molecular Cloud: Implications for the Formation of Massive Star Clusters

N. L. Homeier, J. Alves

Comments: Accepted for publication in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[411] arXiv:astro-ph/0409411 [pdf, other]

Title: Is Dark Energy Dynamical? Prospects for an Answer

Eric V. Linder, Ramon Miquel (Berkeley Lab)

Comments: 6 pages, 2 figures; version accepted to Phys. Rev. D

Journal-ref: Phys.Rev. D70 (2004) 123516

Subjects: Astrophysics (astro-ph)

[412] arXiv:astro-ph/0409412 [pdf, other]

Title: A Size of ~10 Mpc for the Ionized Bubbles at the End of Cosmic Reionization

Stuart Wyithe, Abraham Loeb

Comments: Accepted for publication in Nature. Press embargo until published

Subjects: Astrophysics (astro-ph)

[413] arXiv:astro-ph/0409413 [pdf, other]

Title: Star-forming accretion flows and the low luminosity nuclei of giant elliptical galaxies

Jonathan C. Tan (1,2), E. G. Blackman (3) ((1) ETH Zurich, (2) Princeton University Observatory, (3) Univ. of Rochester)

Comments: 13 pages, accepted to MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 362 (2005) 983-994

Subjects: Astrophysics (astro-ph)

[414] arXiv:astro-ph/0409414 [pdf, other]

Title: Shocked Molecular Gas in the Supernova Remnants W 28 and W 44: Near-infrared and millimeter-wave observations

William T. reach, Jeonghee Rho, T. H. Jarrett

Comments: ApJ, in press; several figures in jpg form

Journal-ref: Astrophys.J.618:297-320,2004

Subjects: Astrophysics (astro-ph)

[415] arXiv:astro-ph/0409415 [pdf, other]

Title: The Stellar Initial Mass Function in the Galactic Center

Donald F. Figer

Comments: To be published in the IMF@50 conference proceedings

Journal-ref: ST ScI Eprint #1629 (2004)

Subjects: Astrophysics (astro-ph)

[416] arXiv:astro-ph/0409416 [pdf, other]

Title: Is M82 X-1 Really An Intermediate-Mass Black Hole? X-ray Spectral and Timing Evidence

Ralph Fiorito (UMD/GSFC), Lev Titarchuk (GMU/NRL/GSFC)

Comments: 7 pages and 3 figures. Accepted for publication in ApJ Letters, v.614, 2004, October 20

Journal-ref: Astrophys.J. 614 (2004) L113-L116

Subjects: Astrophysics (astro-ph)

[417] arXiv:astro-ph/0409417 [pdf, other]

Title: A Wind analysis of an evolved Giant - FUSE and HST/STIS observations of an eclipsing Symbiotic Binary

Cian Crowley, Brian R. Espey, Stephan R. McCandliss

Comments: To appear in proceedings of Cool Stars 13 conference

Subjects: Astrophysics (astro-ph)

[418] arXiv:astro-ph/0409418 [pdf, other]

Title: Models of the giant quadruple quasar SDSS J1004+4112

Liliya L.R. Williams (U Minnesota)Prasenjit Saha (QMW London)

Comments: 22 pages, 9 fig, accepted to AJ

Subjects: Astrophysics (astro-ph)

[419] arXiv:astro-ph/0409419 [pdf, other]

Title: Early reionization by decaying particles and cosmic microwave background radiation

S. Kasuya, M. Kawasaki

Comments: 5 pages, 5 figures, fig 2, table 1, and some typos are corrected

Journal-ref: Phys.Rev. D70 (2004) 103519

Subjects: Astrophysics (astro-ph)

[420] arXiv:astro-ph/0409420 [pdf, other]

Title: The Universality of Turbulence in Galactic Molecular Clouds

Mark Heyer (1), Christopher Brunt (1) ((1) University of Massachusetts)

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

Journal-ref: Astrophys.J. 615 (2004) L45-L48

Subjects: Astrophysics (astro-ph)

[421] arXiv:astro-ph/0409421 [pdf, other]

Title: Investigations of Lepton and Baryon Acceleration in Relativistic Astrophysical Shocks

Glen Paul Double

Comments: PhD Dissertation, North Carolina State University, 113 pages, 40 figures

Subjects: Astrophysics (astro-ph)

[422] arXiv:astro-ph/0409422 [pdf, other]

Title: Presupernova Evolution of Differentially Rotating Massive Stars Including Magnetic Fields

A. Heger (LANL), S. E. Woosley (UCSC), H. C. Spruit (MPA)

Comments: 32 pages, 3 figures (8 eps files), submitted to ApJ

Journal-ref: Astrophys.J. 626 (2005) 350-363

Subjects: Astrophysics (astro-ph)

[423] arXiv:astro-ph/0409423 [pdf, other]

Title: New results from the Antarctic Muon And Neutrino Detector Array

Kurt Woschnagg (for the AMANDA Collaboration)

Comments: 8 pages, 8 figures, to be published in Nuclear Physics B (Proceedings Supplement): Proceedings of the XXIst International Conference on Neutrino Physics and Astrophysics, Paris, June 14-19, 2004

Journal-ref: Nucl.Phys.Proc.Suppl.143:343-350,2005

Subjects: Astrophysics (astro-ph)

[424] arXiv:astro-ph/0409424 [pdf, other]

Title: Variation of the constants in the late and early universe

Jean-Philippe Uzan (LPT, Orsay & IAP)

Comments: 19 pages, 6 figures, Invited talk at the conference "The Quest for Cosmological Scalar Fields", Porto, 8-10 July 2004

Subjects: Astrophysics (astro-ph)

[425] arXiv:astro-ph/0409425 [pdf, other]

Title: On the influence of relativistic effects on X-ray variability of accreting black holes

P. T. Zycki (CAMK, Warsaw), A. Niedzwiecki (Lodz University)

Comments: 8 pages, replaced to match the version accepted by MNRAS. Extended discussion of assumptions on relation between time-scale of a flare and its radial position, and their influence on results. Conclusions unchanged

Journal-ref: Mon.Not.Roy.Astron.Soc. 359 (2005) 308-314

Subjects: Astrophysics (astro-ph)

[426] arXiv:astro-ph/0409426 [pdf, other]

Title: An overview of Cosmology

Julien Lesgourgues

Comments: Lecture notes for the Summer Students Programme of CERN (2002-2004). 62 pages, 30 figures. Very basic conceptual introduction to Cosmology, aimed at undergraduate students with no previous knowledge of General Relativity

Subjects: Astrophysics (astro-ph)

[427] arXiv:astro-ph/0409427 [pdf, other]

Title: Tiny HI Clouds in the Local ISM

Robert Braun (1), Nissim Kanekar (2) ((1) ASTRON, (2) Kapteyn Inst.)

Comments: 6 pages, 8 figures, to appear in "The IMF at 50", eds. E. Corbelli, F. Palla, and H. Zinnecker, ASSL (Kluwer)

Subjects: Astrophysics (astro-ph)

[428] arXiv:astro-ph/0409428 [pdf, other]

Title: Galaxy evolution in dense environments; a concise HI perspective

Marc A. W. Verheijen

Comments: 7 pages, 6 figures, To appear in `Outskirts of Galaxy Clusters; intense life in the suburbs', IAU Colloquium No. 195, 2004, A. Diaferio ed

Subjects: Astrophysics (astro-ph)

[429] arXiv:astro-ph/0409429 [pdf, other]

Title: Near-Infrared Photometry and Spectroscopy of L and T Dwarfs: the Effects of Clouds, Gravity, and Effective Temperature

D. A. Golimowski, S. K. Leggett, M. S. Marley, X. Fan. T. R. Geballe, G. R. Knapp

Comments: 4 pages, 8 figures, to appear in the Proceedings of the 13th Cool Stars Workshop, ESA Special Publications Series, 2005

Subjects: Astrophysics (astro-ph)

[430] arXiv:astro-ph/0409430 [pdf, other]

Title: Can Virialization Shocks be Detected Around Galaxy Clusters Through the Sunyaev-Zel'dovich Effect?

Bence Kocsis, Zoltan Haiman, Zsolt Frei

Comments: 15 pages, submitted to ApJ

Journal-ref: Astrophys.J. 623 (2005) 632-649

Subjects: Astrophysics (astro-ph)

[431] arXiv:astro-ph/0409431 [pdf, other]

Title: Observational constraints on the time-dependence of dark energy

Deepak Jain (Univ. of Delhi - India), J. S. Alcaniz (Observatorio Nacional - Brazil), Abha Dev (Univ. of Delhi - India)

Comments: 5 pages, 1 figure, to appear in Nuclear Physics B

Journal-ref: Nucl.Phys.B732:379-387,2006

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

[432] arXiv:astro-ph/0409432 [pdf, other]

Title: The distribution of kHz QPO frequencies in Sco X-1

Tomaso Belloni (INAF - Oss. Astr. Brera, Italy), Mariano Mendez (SRON, Utrecht, the Netherlands), Jeroen Homan (MIT, USA)

Comments: to appear in the proceedings of the NATO/ASI "The Elecromagnetic Spectrum of Neu tron Stars", June 7-18 2004, Marmaris, Turkey (Eds. A. Baykal, S.K. Yerli, M. Gilfanov, S. Grebenev), 4 pages, 2 figures

Subjects: Astrophysics (astro-ph)

[433] arXiv:astro-ph/0409433 [pdf, other]

Title: An Upper Bound on the Flux Ratio of rho CrB's Companion at 1.6um

C. Bender (1), M. Simon (1), L. Prato (2 and 3), T. Mazeh (4), S. Zucker (4 and 5) ((1) SUNY Stony Brook, (2) UCLA, (3) Lowell Obs., (4) Tel Aviv, (5) Geneva Obs.)

Comments: 22 pages, 10 figures, accepted for publication in the Astronomical Journal

Journal-ref: Astron.J.129:402,2005

Subjects: Astrophysics (astro-ph)

[434] arXiv:astro-ph/0409434 [pdf, other]

Title: X-ray source overdensities in Chandra distant cluster fields: a new probe to map the cosmic tapestry?

N.Cappelluti, M.Cappi, M.Dadina, G.Malaguti, M.Branchesi, V. D'Elia, G.G.C. Palumbo

Comments: 8 pages, 6 figures. Accepted by A&A on 09/08/2004, Final version

Subjects: Astrophysics (astro-ph)

[435] arXiv:astro-ph/0409435 [pdf, other]

Title: Time evolution of the stochastic linear bias of interacting galaxies on linear scales

Patrick Simon

Comments: 18 pages, 7 figures, minor changes, accepted by A&A

Subjects: Astrophysics (astro-ph)

[436] arXiv:astro-ph/0409436 [pdf, other]

Title: Black holes in galaxy mergers: The formation of red elliptical galaxies

Volker Springel, Tiziana Di Matteo (MPA), Lars Hernquist (Harvard)

Comments: 4 pages, 4 figures, submitted to ApJL (a few references added)

Journal-ref: Astrophys.J.620:L79-L82,2005

Subjects: Astrophysics (astro-ph)

[437] arXiv:astro-ph/0409437 [pdf, other]

Title: Kinematics of the Ionized Halo of NGC 5775

G. H. Heald, R. J. Rand, R. A. Benjamin, J. A. Collins, J. Bland-Hawthorn

Comments: 6 pages, 2 figures, to appear in the proceedings of the Extraplanar Gas Conference, June 7-11, 2004, Dwingeloo

Subjects: Astrophysics (astro-ph)

[438] arXiv:astro-ph/0409438 [pdf, other]

Title: The X-ray variability properties of PG quasars: XMM-Newton results

M.Guainazzi, E.Jimenez-Bailon, E.Piconcelli (European Space Astronomy Center of ESA, Spain)

Comments: 4 pages, 4 figures, contribution to the proceedings of the conference: "AGN Variability from X-rays to Radio Waves", this http URL, this http URL, this http URL, this http URL eds., ASP

Subjects: Astrophysics (astro-ph)

[439] arXiv:astro-ph/0409439 [pdf, other]

Title: Hubble Space Telescope and Ground-Based Observations of SN 1993J and SN 1998S: CNO Processing in the Progenitors

Claes Fransson, Peter M. Challis, Roger A. Chevalier, Alexei V. Filippenko, Robert P. Kirshner, Cecilia Kozma, Douglas C. Leonard, Thomas Matheson, E. Baron, Peter Garnavich, Saurabh Jha, Bruno Leibundgut, Peter Lundqvist, C. S. J. Pun, Lifan Wang, J. Craig Wheeler

Comments: 45 pages, 13 figures. Accepted for publication in ApJ

Journal-ref: Astrophys.J. 622 (2005) 991-1007

Subjects: Astrophysics (astro-ph)

[440] arXiv:astro-ph/0409440 [pdf, other]

Title: Predicted Abundances of Carbon Compounds in Volcanic Gases on Io

Laura Schaefer, Bruce Fegley Jr

Comments: 21 pages, 4 figures, 4 tables; accepted by Astrophysical Journal

Journal-ref: Astrophys.J. 618 (2005) 1079-1085

Subjects: Astrophysics (astro-ph)

[441] arXiv:astro-ph/0409441 [pdf, other]

Title: Relativistic Jets from Accretion Disks

R.V.E. Lovelace, P.R. Gandhi, M.M. Romanova

Comments: 7 pages, 3 figures, Proc. of High Energy Density Astrophysics Conf., 2004

Journal-ref: Astrophys.Space Sci. 298 (2005) 115-120

Subjects: Astrophysics (astro-ph)

[442] arXiv:astro-ph/0409442 [pdf, other]

Title: The Secular Bar-Mode Instability in Rapidly Rotating Stars Revisited

Stuart L. Shapiro (University of Illinois)

Comments: Accepted for publication in ApJ 613, 1213-1220, 2004

Journal-ref: Astrophys.J. 613 (2004) 1213-1220

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

[443] arXiv:astro-ph/0409443 [pdf, other]

Title: On the Period Distribution of Close-In Extrasolar Giant Planets

B. Scott Gaudi (CfA), Sara Seager (Carnegie DTM), Gabriela Mallen-Ornelas (CfA)

Comments: 11 pages, 4 figures, 2 tables. Minor changes. Accepted to ApJ, to appear in the April 20, 2005 issue (v623)

Journal-ref: Astrophys.J. 623 (2005) 472-481

Subjects: Astrophysics (astro-ph)

[444] arXiv:astro-ph/0409444 [pdf, other]

Title: An optical time delay for the double gravitational lens system FBQ 0951+2635

P. Jakobsson, J. Hjorth, I. Burud, G. Letawe, C. Lidman, F. Courbin

Comments: 7 pages, 7 figures. Accepted for publication in A&A

Journal-ref: Astron.Astrophys. 431 (2005) 103-109

Subjects: Astrophysics (astro-ph)

[445] arXiv:astro-ph/0409445 [pdf, other]

Title: Baryon Oscillations and Dark-Energy Constraints from Imaging Surveys

Derek Dolney (Penn), Bhuvnesh Jain (Penn), Masahiro Takada (Tohoku Univ.)

Comments: 17 pages, 12 figures

Journal-ref: Mon.Not.Roy.Astron.Soc.366:884-898,2006

Subjects: Astrophysics (astro-ph)

[446] arXiv:astro-ph/0409446 [pdf, other]

Title: Nucleosynthesis in the Hot Convective Bubble in Core-Collapse Supernovae

J. Pruet, S.E. Woosley, R. Buras, H.-T. Janka, R.D. Hoffman

Comments: 25 pages, 12 figures

Journal-ref: Astrophys.J. 623 (2005) 325-336

Subjects: Astrophysics (astro-ph)

[447] arXiv:astro-ph/0409447 [pdf, other]

Title: An empirical initial-final mass relation from hot, massive white dwarfs in NGC 2168 (M35)

Kurtis A. Williams, M. Bolte, Detlev Koester

Comments: 14 pages, 3 figures. Accepted for publication in the Astrophysical Journal Letters. Contains some acknowledgements not in accepted version (for space reasons), otherwise identical to accepted version

Journal-ref: Astrophys.J. 615 (2004) L49-L52

Subjects: Astrophysics (astro-ph)

[448] arXiv:astro-ph/0409448 [pdf, other]

Title: Absorption Line Study of Halo Gas in NGC 3067 Toward the Background Quasar 3C 232

Brian A. Keeney (1), Emmanuel Momjian (2), John T. Stocke (1), Chris L. Carilli (3), Jason Tumlinson (4) ((1) CASA, Univ. of Colorado, (2) NAIC, Arecibo, (3) NRAO, (4) Univ. of Chicago)

Comments: 30 pages, 6 figures, ApJ submitted

Journal-ref: Astrophys.J. 622 (2005) 267-278

Subjects: Astrophysics (astro-ph)

[449] arXiv:astro-ph/0409449 [pdf, other]

Title: The pre-main sequence spectroscopic binary UZ Tau East: improved orbital parameters and accretion phase dependence

Eduardo L. Martín, Antonio Magazzù, Xavier Delfosse, Robert D. Mathieu

Comments: accepted for publication in A&A

Journal-ref: Astron.Astrophys. 429 (2005) 939-943

Subjects: Astrophysics (astro-ph)

[450] arXiv:astro-ph/0409450 [pdf, other]

Title: On the potassium-rotation connection in late-type Alpha Persei stars

Eduardo L. Martin, Antonio Magazzu, Ramon J. Garcia Lopez, Sofia Randich, David Barrado y Navascues

Comments: accepted for publication in A&A

Journal-ref: Astron.Astrophys. 429 (2005) 1051-1055

Subjects: Astrophysics (astro-ph)