Astrophysics

Authors and titles for September 2004

[501] arXiv:astro-ph/0409501 [pdf, other]

Title: Disks, Tori, and Cocoons: Emission and Absorption Diagnostics of AGN Environments

R. Morganti, L.J. Greenhill, A.B. Peck, D.L. Jones, C. Henkel

Comments: To appear in "Science with the Square Kilometer Array," eds. C. Carilli and S. Rawlings, New Astronomy Reviews (Elsevier: Amsterdam); 17 pages, 7 figures (four of them in separate gif/tif files) The full paper with high resolution images can be downloaded from this http URL

Journal-ref: New Astron.Rev. 48 (2004) 1195-1209

Subjects: Astrophysics (astro-ph)

[502] arXiv:astro-ph/0409502 [pdf, other]

Title: Molecular Gas in a z~2.5 Triply-Imaged, sub-mJy Submillimetre Galaxy Typical of the Cosmic Far-Infrared Background

Jean-Paul Kneib (OMP/Caltech/OAMP), Roberto Neri (IRAM), Ian Smail (Durham), Andrew Blain (Caltech), Kartik Sheth (Caltech), Paul van der Werf (Leiden)Kirsten K. Knudsen (Leiden)

Comments: 8 pages, 2 figures, A&A in press (final accepted version)

Subjects: Astrophysics (astro-ph)

[503] arXiv:astro-ph/0409503 [pdf, other]

Title: Bar-induced perturbation strengths of the galaxies in the Ohio State University Bright Galaxy Survey (OSUBGS) I

E. Laurikainen, H. Salo, R. Buta, S. Vasylyev

Comments: Monthly Notices, in press. 24 pages, 8 figures

Subjects: Astrophysics (astro-ph)

[504] arXiv:astro-ph/0409504 [pdf, other]

Title: Coronal heating through braiding of magnetic field lines

H. Peter, B. V. Gudiksen, A. Nordlund

Comments: 4 pages, 3 figures, submitted to ApJ

Journal-ref: Astrophys.J. 617 (2004) L85-L88

Subjects: Astrophysics (astro-ph)

[505] arXiv:astro-ph/0409505 [pdf, other]

Title: The Solar Neighborhood XII: Discovery of New High Proper Motion Stars with 1.0"/yr > mu >= 0.4"/yr between Declinations -90 degrees and -47 degrees

John P. Subasavage, Todd J. Henry, Nigel C. Hambly, Misty A. Brown, Wei-Chun Jao

Comments: 45 pages, 6 figures, accepted for publication in Astronomical Journal (January 2005)

Subjects: Astrophysics (astro-ph)

[506] arXiv:astro-ph/0409506 [pdf, other]

Title: Transit Detectability of Ring Systems Around Extrasolar Giant Planets

Jason W. Barnes, Jonathan J. Fortney

Comments: 13 pages, to appear in the 2004 December 1 Astrophysical Journal

Journal-ref: Astrophys.J. 616 (2004) 1193-1203

Subjects: Astrophysics (astro-ph)

[507] arXiv:astro-ph/0409507 [pdf, other]

Title: Eclipsing binaries as standard candles: HD 23642 and the distance to the Pleiades

J. Southworth, P. F. L. Maxted, B. Smalley (Keele University, UK)

Comments: Accepted for publication in A&A (11 pages, 7 figures)

Journal-ref: Astron.Astrophys. 429 (2005) 645-655

Subjects: Astrophysics (astro-ph)

[508] arXiv:astro-ph/0409508 [pdf, other]

Title: Effects of Rotation on Presupernovae Models

Georges Meynet, Raphael Hirschi, André Maeder

Comments: 6 pages, 3 figures, proceedings of the conference ``1604 -2004: Supernovae as Cosmological Lighthouses''

Subjects: Astrophysics (astro-ph)

[509] arXiv:astro-ph/0409509 [pdf, other]

Title: Total to Selective Extinction Ratios and Visual Extinctions from Ultraviolet Data

Anna Geminale (Padova, MPA), Piotr Popowski (MPA)

Comments: 20 pages, 7 figures, submitted to Acta Astronomica

Subjects: Astrophysics (astro-ph)

[510] arXiv:astro-ph/0409510 [pdf, other]

Title: A search for late-type supergiants in the inner regions of the Milky Way

F. Comeron (1), J. Torra (2), C. Chiappini (3), F. Figueras (2), V. D. Ivanov (4), S. J. Ribas (2) ((1) ESO - Garching, (2) Barcelona University, (3) Osservatorio Astronomico di Trieste, (4) ESO - Chile)

Comments: 21 pages (including figures), A&A accepted

Journal-ref: Astron.Astrophys. 425 (2004) 489-508

Subjects: Astrophysics (astro-ph)

[511] arXiv:astro-ph/0409511 [pdf, other]

Title: A submillimeter exponential disk in M~51: evidence for an extended cold dust disk

R. Meijerink, R.P.J. Tilanus, C.P. Dullemond, F.P. Israel, P.P. van der Werf

Comments: accepted by A&A, 8 pages

Subjects: Astrophysics (astro-ph)

[512] arXiv:astro-ph/0409512 [pdf, other]

Title: Polarimetric line profiles for scattering off rotating disks

Jorick S. Vink (Imperial College London), Tim J. Harries (University of Exeter), Janet E. Drew (Imperial College London)

Comments: 11 pages, Accepted by Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[513] arXiv:astro-ph/0409513 [pdf, other]

Title: HEALPix -- a Framework for High Resolution Discretization, and Fast Analysis of Data Distributed on the Sphere

K. M. Gorski, E. Hivon, A. J. Banday, B. D. Wandelt, F. K. Hansen, M. Reinecke, M. Bartelman

Journal-ref: Astrophys.J.622:759-771,2005

Subjects: Astrophysics (astro-ph)

[514] arXiv:astro-ph/0409514 [pdf, other]

Title: Altitude Effect in Cherenkov Light Flashes of Low Energy Gamma-ray-induced Atmospheric Showers

A. Konopelko

Comments: Accepted for publication in J. Phys. G: Nuclear and Particle Physics, 14 pages, 5 figures

Journal-ref: J.Phys. G30 (2004) 1835-1846

Subjects: Astrophysics (astro-ph)

[515] arXiv:astro-ph/0409515 [pdf, other]

Title: The star formation rate history in the FORS Deep and GOODS South Fields

A. Gabasch (1,2), M. Salvato (2), R.P. Saglia (1,2), R. Bender (1,2), U. Hopp (1,2), S. Seitz (1), G. Feulner (1), M. Pannella (2), N. Drory (3), M. Schirmer (4), T. Erben (4) ((1) University Observatory Munich (USM), (2) Max-Planck Institut fuer extraterrestrische Physik (MPE), (3) University of Texas at Austin, (4) Institut fuer Astrophysik Bonn)

Comments: 6 pages, 2 figures, Accepted for publication in ApJL

Journal-ref: Astrophys.J. 616 (2004) L83-L86

Subjects: Astrophysics (astro-ph)

[516] arXiv:astro-ph/0409516 [pdf, other]

Title: On Detecting the X-ray Silhouette of a Damped Lyman alpha System

Mark Dijkstra, Zoltan Haiman, Caleb Scharf (Columbia University)

Comments: 9 emulateapj pages, 4 figures included, ApJ in press. Significantly improved version. Main conclusions unchanged

Journal-ref: Astrophys.J. 624 (2005) 85-93

Subjects: Astrophysics (astro-ph)

[517] arXiv:astro-ph/0409517 [pdf, other]

Title: Non-thermal X-ray Emission from Supernova Remnants

Jacco Vink (SRON, National Institute for Space Research, Netherlands)

Comments: To be published in the proceedings of the "International Symposium on High Energy Gamma-Ray Astronomy" (Gamma-2004), Heidelberg, edited by F.A. Aharonian and H. Voelk (AIP, NY). This preprint version contains 13 pages, 5 figures (4 in color)

Subjects: Astrophysics (astro-ph)

[518] arXiv:astro-ph/0409518 [pdf, other]

Title: Spectropolarimetry of Core-Collapse Supernovae

Douglas C. Leonard (Caltech), Alexei V. Filippenko (UC Berkeley)

Comments: Invited review at Supernovae as Cosmological Lighthouses, 16-19 June, Padua, IT. 6 pages

Subjects: Astrophysics (astro-ph)

[519] arXiv:astro-ph/0409519 [pdf, other]

Title: X-rays of Stellar Coronae with Chandra and XMM-Newton: Flares and Elemental Composition in Stellar Atmospheres (Invited review)

Marc Audard (Columbia Astrophysics Laboratory)

Comments: Invited review to appear in "Proc. 13th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun", Hamburg (Germany), 5-9 July 2004, this http URL et al., eds. (ESA-SP, in press). This is a low-resolution paper; a high-resolution PDF is available at this http URL

Subjects: Astrophysics (astro-ph)

[520] arXiv:astro-ph/0409520 [pdf, other]

Title: A Multiwavelength Study of RZ Cassiopeiae: The XMM-Newton/VLA Campaign

Marc Audard, Julius R. Donisan (Columbia Astrophysics Laboratory), Manuel Guedel (Paul Scherrer Institut)

Comments: To appear in "Proc. 13th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun", Hamburg (Germany), 5-9 July 2004, this http URL et al., eds. (ESA-SP, in press)

Subjects: Astrophysics (astro-ph)

[521] arXiv:astro-ph/0409521 [pdf, other]

Title: Pulsar kicks from neutrino oscillations

Alexander Kusenko

Comments: invited review article to appear in Int. J. Mod. Phys. (21 pages, 6 figures)

Journal-ref: Int.J.Mod.Phys. D13 (2004) 2065-2084

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

[522] arXiv:astro-ph/0409522 [pdf, other]

Title: A Survey for Outer Satellites of Mars: Limits to Completeness

Scott S. Sheppard, David Jewitt, Jan Kleyna

Comments: 5 figures (1 color), 2 Tables, to appear in AJ Nov. 2004

Subjects: Astrophysics (astro-ph)

[523] arXiv:astro-ph/0409523 [pdf, other]

Title: A Realistic Particle Physics Dark Energy Model

A. de la Macorra

Comments: 5 pages, RevTex, 6 figures

Journal-ref: Phys.Rev.D72:043508,2005

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

[524] arXiv:astro-ph/0409524 [pdf, other]

Title: A Physical Bias in Cosmological Simulations

Weike Xiao, Zhengfan Sun, Heng Hao

Comments: 4 pages,no figures. Submitted to ApJl

Journal-ref: Astrophys.J.617:L103-L106,2004

Subjects: Astrophysics (astro-ph)

[525] arXiv:astro-ph/0409525 [pdf, other]

Title: Spectroscopy and near-infrared photometry of the helium nova V445 Puppis

Patrick A. Woudt (Univ. of Cape Town), Danny Steeghs (CfA)

Comments: 2 pages, 1 figure. To appear in `The Astrophysics of Cataclysmic Variables and Related Objects', eds. J.M. Hameury and J.P. Lasota (ASP Conf. Ser.)

Subjects: Astrophysics (astro-ph)

[526] arXiv:astro-ph/0409526 [pdf, other]

Title: A Robust Method for the Analysis of Integrated Spectra from Globular Clusters using Lick Indices

Robert N. Proctor, Duncan A. Forbes, Michael A. Beasley

Comments: 13 pages, 8 figure. Accepted for publication in MNRAS

Subjects: Astrophysics (astro-ph)

[527] arXiv:astro-ph/0409527 [pdf, other]

Title: Relativistic Gravitational mass in Tolman-VI type solution

Saibal Ray, Basanti Das

Comments: 7 pages, no figure

Journal-ref: Grav.Cosmol.13:224-230,2007

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

[528] arXiv:astro-ph/0409528 [pdf, other]

Title: Chemical Abundances and Yields from Massive Stars

André Maeder, Georges Meynet, Raphael Hirschi

Comments: 14 pages, 12 figures, in proceedings ``Cosmic Abundances'', F.N. Bash and T.G. Barnes (eds.), ASP Conf. Ser

Subjects: Astrophysics (astro-ph)

[529] arXiv:astro-ph/0409529 [pdf, other]

Title: Probing the evolutionary status of starless cores through N2H+ and N2D+ observations

A. Crapsi (1,2), P. Caselli (3), C.M. Walmsley (3), P.C. Myers (2), M. Tafalla (4), C.W. Lee (5), T.L. Bourke (6) ((1) UNIFI, (2) CfA, (3) Oss. Arcetri, (4) OAN, (5) KAO, (6) SMA)

Comments: 42 pages, 17 figures, 12 tables, published in ApJ. Figures 8 to 15 available in gif format; full resolution version can be downloaded at this http URL Replaced with final version as published on the journal

Journal-ref: Astrophys.J. 619 (2005) 379-406

Subjects: Astrophysics (astro-ph)

[530] arXiv:astro-ph/0409530 [pdf, other]

Title: Dark Energy and the Dark Matter relic abundance

Francesca Rosati

Comments: 6 pages; to appear in the Proceedings of "Phi in the Sky - the quest for cosmological scalar fields", 8-10 July 2004, Porto (PT)

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

[531] arXiv:astro-ph/0409531 [pdf, other]

Title: Microarcsecond astrometry with Gaia: the solar system, the Galaxy and beyond

C.A.L. Bailer-Jones

Comments: (Errors corrected) Invited paper at IAU Colloquium 196, "Transit of Venus: New Views of the Solar System and Galaxy". 14 pages, 6 figures. Version with higher resolution figures available from this http URL

Subjects: Astrophysics (astro-ph)

[532] arXiv:astro-ph/0409532 [pdf, other]

Title: The populations of planetary nebulae in the direction of the Galactic bulge

S. K. Gorny, G. Stasinska, A. V. Escudero, R. D. D. Costa

Comments: 14 pages, 16 figures. Accepted for publication in A&A

Journal-ref: Astron.Astrophys. 427 (2004) 231-244

Subjects: Astrophysics (astro-ph)

[533] arXiv:astro-ph/0409533 [pdf, other]

Title: A Solution to the Isolatitude, Equi-area, Hierarchical Pixel-Coordinate System

Boudewijn F. Roukema (1), Bartosz Lew (1) ((1) Torun Centre for Astronomy, UMK)

Comments: 5 pages, 4 figures

Subjects: Astrophysics (astro-ph)

[534] arXiv:astro-ph/0409534 [pdf, other]

Title: Is 3C111, an apparently normal radio galaxy, the counterpart of 3EG J0416+3650?

V. Sguera, L. Bassani, A. Malizia, A. J. Dean, R. Landi, J. B. Stephen

Comments: 8 pages, 4 figure, 3 tables, accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[535] arXiv:astro-ph/0409535 [pdf, other]

Title: Least-squares methods with Poissonian noise: an analysis and a comparison with the Richardson-Lucy algorithm

R. Vio, J. Bardsley, W. Wamsteker

Comments: High resolution images are available upon request. submitted to A&A

Subjects: Astrophysics (astro-ph)

[536] arXiv:astro-ph/0409536 [pdf, other]

Title: First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements

M. Spite, R. Cayrel, B. Plez, V. Hill, F. Spite, E. Depagne, P. Francois, P. Bonifacio, B. Barbuy, T. Beers, J. Andersen, P. Molaro, B. Nordstroem, F. Primas

Comments: 15 pages,18 figures, difference of N abundance from NH and CN slightly reduced

Journal-ref: 2005 A&A 430 p. 655

Subjects: Astrophysics (astro-ph)

[537] arXiv:astro-ph/0409537 [pdf, other]

Title: Phase mixing of shear Alfven waves as a new mechanism for electron acceleration in collisionless, kinetic plasmas

David Tsiklauri, Jun-Ichi Sakai, Shinji Saito

Comments: Final, accepted in New J. Phys., version, New IMPORTANT material added. Also can be downloaded from this http URL

Journal-ref: New J. Phys. 7 (2005) 79

Subjects: Astrophysics (astro-ph)

[538] arXiv:astro-ph/0409538 [pdf, other]

Title: Low-Mass Quark Stars or Quark White Dwarfs

G.B.Alaverdyan, A.R.Harutyunyan, Yu.L.Vartanyan

Comments: 11 pages, 6 figures, 25 references

Journal-ref: Astrofiz.44:265-275,2001; Astrophys.44:265-275,2001

Subjects: Astrophysics (astro-ph)

[539] arXiv:astro-ph/0409539 [pdf, other]

Title: Time dependent numerical model for the emission of radiation from relativistic plasma

Asaf Pe'er, Eli Waxman

Comments: Minor changes; References added, discussion on observational status added. Accepted for publication in Ap.J

Journal-ref: Astrophys.J. 628 (2005) 857-866

Subjects: Astrophysics (astro-ph)

[540] arXiv:astro-ph/0409540 [pdf, other]

Title: Galaxy Formation and the Cosmological Angular Momentum Problem

Andreas Burkert (USM, Munich), Elena D'Onghia (MPE, Garching)

Comments: 16 pages, 7 postscript files, requires this http URL and this http URL; to appear in "Penetrating Bars Through Masks of Cosmic Dust: The Hubble Tuning Fork Strikes a New Note", ed. Block, Freeman, Puerari and Groess, Dordrecht: Kluwer

Subjects: Astrophysics (astro-ph)

[541] arXiv:astro-ph/0409541 [pdf, other]

Title: Self-gravitating accretion disk in Sgr A* few million years ago: was Sgr A* a failed quasar?

Sergei Nayakshin, Jorge Cuadra (MPA-Garching)

Comments: 10 pages, 2 figures. Submitted to A&A

Journal-ref: Astron.Astrophys. 437 (2005) 437-445

Subjects: Astrophysics (astro-ph)

[542] arXiv:astro-ph/0409542 [pdf, other]

Title: Local Supermassive Black Holes and Relics of Active Galactic Nuclei

A. Marconi, G. Risaliti, R. Gilli, L.K. Hunt, R. Maiolino, M. Salvati

Comments: 6 pages, contributed paper to Proceedings of the Conference on "Growing Black Holes" held in Garching, Germany, on June 21-25, 2004, edited by A. Merloni, S. Nayakshin and R. Sunyaev, Springer-Verlag series of "ESO Astrophysics Symposia"

Subjects: Astrophysics (astro-ph)

[543] arXiv:astro-ph/0409543 [pdf, other]

Title: Kinematics of Diffuse Ionized Gas Halos

R. J. Rand

Comments: 8 pages, 5 figures. To appear in Extraplanar Gas, ed. R. Braun, ASP, Dwingeloo June 7-11, 2004

Subjects: Astrophysics (astro-ph)

[544] arXiv:astro-ph/0409544 [pdf, other]

Title: An XMM-Newton observation of A3921: an off-axis merger

E. Belsole (1,2), J-L. Sauvageot (1), G.W. Pratt (1,3), H. Bourdin (4,5) ((1) SAp, CEA-Saclay, France; (2) Department of Physics, University of Bristol, UK; (3) MPE-Garching, Germany; (4) Observatoire de la Cote d'Azur, Nice, France; (5) Universita di Roma "Tor Vergata", Italy)

Comments: 16 pages, 11 figures, accepted for publication in A&A. Version with full resolution figures can be found at this http URL

Subjects: Astrophysics (astro-ph)

[545] arXiv:astro-ph/0409545 [pdf, other]

Title: On the Rotational Dynamics of Magnetically Threaded Disks around Neutron Stars

M. Hakan Erkut (1 and 2), M. Ali Alpar (2) ((1) Bogazici University, (2) Sabanci University)

Comments: 27 pages, 5 figures, accepted for publication in ApJ

Journal-ref: Astrophys.J. 617 (2004) 461-470

Subjects: Astrophysics (astro-ph)

[546] arXiv:astro-ph/0409546 [pdf, other]

Title: The Largest Blueshifts of [O III] emission line in Two Narrow-Line Quasars

Kentaro Aoki, Toshihiro Kawaguchi, Kouji Ohta

Comments: Accepted for publication in The Astrophysical Journal

Journal-ref: Astrophys.J. 618 (2005) 601-608

Subjects: Astrophysics (astro-ph)

[547] arXiv:astro-ph/0409547 [pdf, other]

Title: Thorium-rich halo star HD221170: further evidence against the universality of the r-process

Alexander Yushchenko, Vera Gopka, Stephane Goriely, Faig Musaev, Angelina Shavrina, Chulhee Kim, Young Woon Kang, Juliana Kuznietsova, Vladimir Yushchenko

Comments: 8 pages, 8 figures, A&A accepted for publ

Subjects: Astrophysics (astro-ph)

[548] arXiv:astro-ph/0409548 [pdf, other]

Title: A Star Catalog for the Open Cluster NGC188

Peter B. Stetson, Robert D. McClure, Don A. VandenBerg

Comments: Accepted for PASP

Subjects: Astrophysics (astro-ph)

[549] arXiv:astro-ph/0409549 [pdf, other]

Title: Some Consequences of the Baryonic Dark Matter Population

Rudolph E. Schild

Comments: Report to the Edinburgh International Dark Matter 2004 Symposium

Subjects: Astrophysics (astro-ph)

[550] arXiv:astro-ph/0409550 [pdf, other]

Title: Electron-Ion Recombination Rate Coefficients and Photoionization Cross Sections for Astrophysically Abundant Elements VIII. Ar XIII with new features

Sultana N. Nahar (Ohio State)

Comments: 28 pages, 7 figures, ApJS (in press)

Subjects: Astrophysics (astro-ph)