Astrophysics

Authors and titles for December 2004

[301] arXiv:astro-ph/0412301 [pdf, other]

Title: Carbon stars in the IRTS survey

T. Le Bertre, M. Tanaka, I. Yamamura, H. Murakami, D.J. MacConnell

Comments: accepted by the PASP; December 7, 2004

Subjects: Astrophysics (astro-ph)

[302] arXiv:astro-ph/0412302 [pdf, other]

Title: A systematic analysis of X-ray afterglows of gamma-ray burst observed by XMM-Newton

B. Gendre (IASF/CNR Roma), L. Piro (IASF/CNR Roma), M. De Pasquale (IASF/CNR Roma and MSSL, Uk)

Comments: 7 pages, 2 figures, COSPAR proceeding accepted for publication in Advances in Space Research

Journal-ref: Nuovo Cim.C28:509-512,2005

Subjects: Astrophysics (astro-ph)

[303] arXiv:astro-ph/0412303 [pdf, other]

Title: Dark Energy and Large-Scale Structure of the Universe

Yu. Kulinich, B. Novosyadlyj

Comments: 4 pages, 1 figure, submitted to the proceedings of international conference "Astronomy in Ukraine - Past, Present, Future", July 15-17, Kiev, Ukraine

Subjects: Astrophysics (astro-ph)

[304] arXiv:astro-ph/0412304 [pdf, other]

Title: Intensity of the cosmic X-ray backgound from HEAO1/A2 experiment

M. Revnivtsev (1,2), M. Gilfanov (1,2), K.Jahoda (3), R. Sunyaev (1,2) (1 - MPA, Garching, Germany, 2 - IKI, Moscow, Russia, 3 - GSFC, Greenbelt, USA)

Comments: 5 pages, accepted for publication in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[305] arXiv:astro-ph/0412305 [pdf, other]

Title: Cosmological Origin of Small-Scale Clumps and DM Annihilation Signal

Veniamin Berezinsky, Vyacheslav Dokuchaev, Yury Eroshenko

Comments: The new element of this paper is estimation of contribution to annihilation from large-scale clumps in comparison with small ones

Journal-ref: Proceedings of the 6th RESCEU International Symposium on "Frontier in Astroparticle Physics and Cosmology", eds. K. Sato and S. Nagataki (Universal Academy Press Inc.: Tokyo, Japan, 2004), p241-248

Subjects: Astrophysics (astro-ph)

[306] arXiv:astro-ph/0412306 [pdf, other]

Title: Chandra temperature profiles for a sample of nearby relaxed galaxy clusters

A. Vikhlinin, M. Markevitch, S. S. Murray, C. Jones, W. Forman, L. Van Speybroeck

Comments: ApJ in press. Replaced to synchronize with accepted version. Analysis for two clusters (A2029 and RXJ1159) added

Journal-ref: Astrophys.J. 628 (2005) 655-672

Subjects: Astrophysics (astro-ph)

[307] arXiv:astro-ph/0412307 [pdf, other]

Title: From the Tully-Fisher relation to the Fundamental Plane through Mergers

Hector Aceves, Hector Velazquez

Comments: 5 pages and 2 figures. Accepted version in MNRAS Letters

Subjects: Astrophysics (astro-ph)

[308] arXiv:astro-ph/0412308 [pdf, other]

Title: Constraints on linear-negative potentials in quintessence and phantom models from recent supernova data

L. Perivolaropoulos

Comments: 8 pages, 7 figures. References added, discussion modified. The mathematica file with the numerical analysis of the paper can be downloaded from this http URL

Journal-ref: Phys.Rev.D71:063503,2005

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

[309] arXiv:astro-ph/0412309 [pdf, other]

Title: Radio Flares and the Magnetic Field Structure in GRB Outflows

Jonathan Granot, Gregory B. Taylor

Comments: minor changes to match the version accepted for publication in ApJ

Journal-ref: Astrophys.J. 625 (2005) 263-270

Subjects: Astrophysics (astro-ph)

[310] arXiv:astro-ph/0412310 [pdf, other]

Title: Radiative Effects on Particle Acceleration in Electromagnetic Dominated Outflows

Koichi Noguchi (1), Edison Liang (1), Kazumi Nishimura (2) ((1) Rice Univ., (2) LANL)

Comments: 15 pages, 5 figures, add references and revised, submitted to PoP

Subjects: Astrophysics (astro-ph)

[311] arXiv:astro-ph/0412311 [pdf, other]

Title: Secular stability and instability in stellar systems surrounding massive objects

Scott Tremaine

Comments: 30 pages, Latex

Journal-ref: Astrophys.J. 625 (2005) 143-155

Subjects: Astrophysics (astro-ph)

[312] arXiv:astro-ph/0412312 [pdf, other]

Title: The gravitational and hydrodynamical interaction between the LMC and the Galaxy

Chiara Mastropietro (1), Ben Moore (1), Lucio Mayer (1), James Wadsley (2), Joachim Stadel (1) ((1) University of Zurich, (2) McMaster University)

Comments: 12 pages, 15 figures. Submitted to MNRAS. Movies and high resolution images are available at this http URL. Corrected typos

Journal-ref: Mon.Not.Roy.Astron.Soc.363:509-520,2005

Subjects: Astrophysics (astro-ph)

[313] arXiv:astro-ph/0412313 [pdf, other]

Title: An Infrared Spectroscopic Sequence of M, L and T Dwarfs

Michael C. Cushing, John T. Rayner, William D. Vacca

Comments: 25 pages, 20 figures, 10 tables, accepted for publication in ApJ

Journal-ref: Astrophys.J.623:1115-1140,2005

Subjects: Astrophysics (astro-ph)

[314] arXiv:astro-ph/0412314 [pdf, other]

Title: Fluctuation Properties and Polar Emission Mapping of Pulsar B0834+06 at Decameter Wavelengths

Ashish Asgekar (1,2,3), Avinash A. Deshpande (1,4) ((1) Raman Research Institute, Bangalore; (2) JAP, Indian Institute of Science, Bangalore; (3) Department of Physics and Astronomy, University of Manitoba, Winnipeg; (4) NAIC/Arecibo Observatory, Puerto Rico)

Comments: (v3: minor changes); 9 pages, 6 figures (11 ps files); To appear in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 357 (2005) 1105-1112

Subjects: Astrophysics (astro-ph)

[315] arXiv:astro-ph/0412315 [pdf, other]

Title: The ionization structure of early-B supergiant winds

R.K. Prinja (1), D. Massa (2), S.C. Searle (1) ((1) UCL, (2) SGT, Inc., NASA GSFC)

Comments: Accepted by A&A letters, 4 pages, 3 figures

Subjects: Astrophysics (astro-ph)

[316] arXiv:astro-ph/0412316 [pdf, other]

Title: Possible AGN Shock Heating in the Cool Core Galaxy Cluster Abell 478

Alastair J. R. Sanderson (Illinois), Alexis Finoguenov (MPE), Joseph J. Mohr (Illinois)

Comments: 15 pages, 15 figures; extra section on simulating effect of multiphase gas, plus some restructuring of discussion section. Accepted by ApJ; corrected typo in equation 1

Subjects: Astrophysics (astro-ph)

[317] arXiv:astro-ph/0412317 [pdf, other]

Title: The Influence of an Ambient Magnetic Field on Relativistic Collisionless Plasma Shocks

Christian Busk Hededal, Ken-Ichi Nishikawa

Comments: 4 pages with five figures. Accepted for publication in ApJ Letters

Journal-ref: Astrophys.J. 623 (2005) L89-L92

Subjects: Astrophysics (astro-ph)

[318] arXiv:astro-ph/0412318 [pdf, other]

Title: Formation and evolution of the Magellanic Clouds. I.Origin of structural, kinematical, and chemical properties of the Large Magellanic Cloud

K. Bekki, M. Chiba

Comments: 26 pages, 26 figures, MNRAS in press (For clearer figures: See jpeg figures for fig5, 6, 7, 11, and 22)

Journal-ref: Mon.Not.Roy.Astron.Soc. 356 (2005) 680-702

Subjects: Astrophysics (astro-ph)

[319] arXiv:astro-ph/0412319 [pdf, other]

Title: Dynamics of the Flows Accreting onto a Magnetized Neutron Star

A.M.Bykov, A.M.Krassilchtchikov

Comments: 22 pages, 8 figures

Journal-ref: Astron.Lett. 30 (2004) 309-318

Subjects: Astrophysics (astro-ph)

[320] arXiv:astro-ph/0412320 [pdf, other]

Title: Small-scale anisotropy and intermittency in high and low-latitude solar wind

A. Bigazzi (1 and 2), L. Biferale (2), S.M.A.Gama (1), M.Velli (3 and 4) ((1) Departamento de Matematica Aplicada, Universidade do Porto, Portugal; (2) Dipartimento di Fisica, Universita' di Roma Tor Vergata, Italy; (3) Jet Propulsion Laboratory, California Institute of Technology, CA USA; (4) Dipartimento di Astronomia e Scienza dello Spazio, Universita' di Firenze, Italy)

Comments: 26 pages, 8 figures. Submitted to Astrophysical Journal

Journal-ref: Astrophys.J. 638 (2006) 499-507

Subjects: Astrophysics (astro-ph); Chaotic Dynamics (nlin.CD)

[321] arXiv:astro-ph/0412321 [pdf, other]

Title: Ultra High Energy nu_tau detection at Pierre Auger Observatory

G. Miele, L. Perrone, O. Pisanti

Comments: 4 pages, 5 figures, to appear in the proceedings of the International Workshop "NOW 2004"

Journal-ref: Nucl.Phys.Proc.Suppl.145:347-350,2005

Subjects: Astrophysics (astro-ph)

[322] arXiv:astro-ph/0412322 [pdf, other]

Title: Structure of visible and dark matter components of spiral galaxies at z = 0.9

Antti Tamm (1), Peeter Tenjes (1,2) ((1) Tartu University, (2) Tartu Observatory)

Comments: 3 pages, 3 figures. Presented at the "Baryons in Dark Matter Halos" conference in Croatia, to appear in the conference proceedings

Journal-ref: PoS BDMH2004 (2004) 092

Subjects: Astrophysics (astro-ph)

[323] arXiv:astro-ph/0412323 [pdf, other]

Title: An upper bound on the energy of a gravitationally redshifted electron-positron annihilation line from the Crab pulsar

P. S. Negi

Comments: Erratum: 2 pages (including 1 table) in A&A style

Journal-ref: Astron.Astrophys. 431 (2005) 673-677

Subjects: Astrophysics (astro-ph)

[324] arXiv:astro-ph/0412324 [pdf, other]

Title: Calibrated Tully-Fisher relations for edge-on galaxies in the BVRI system

O. Stanchev (1), P. Nedialkov (2), Ts. Georgiev (1) ((1)Institute of Astronomy, Bulgarian Academy of Sciences, (2)Departament of Astronomy, Sofia University)

Comments: 7 pages, 2 figures, published in Comptes rendus de l`Academie bulgare des Sciences, Tome 57, No 6, 2004

Journal-ref: Comptes rendus de l`Academie bulgare des Sciences, Tome 57, No 6, 2004

Subjects: Astrophysics (astro-ph)

[325] arXiv:astro-ph/0412325 [pdf, other]

Title: Cluster Mergers and Non-Thermal Phenomena: A Statistical Magneto-Turbulent Model

Rossella Cassano, Gianfranco Brunetti

Comments: 4 pages, to appear in a dedicated issue of the Journal of the Korean Astronomical Society (JKAS). Proceedings of the "International conference on Cosmic Rays and Magnetic Fields in Large Scale Structure", Busan, Korea, 2004

Subjects: Astrophysics (astro-ph)

[326] arXiv:astro-ph/0412326 [pdf, other]

Title: Occurence and Luminosity Functions of Giant Radio Halos from Magneto-Turbulent Model

Rossella Cassano, Gianfranco Brunetti, Giancarlo Setti

Comments: 4 pages, to appear in a dedicated issue of the Journal of the Korean Astronomical Society (JKAS). Proceedings of the "International conference on Cosmic Rays and Magnetic Fields in Large Scale Structure", Busan, Korea, 2004

Subjects: Astrophysics (astro-ph)

[327] arXiv:astro-ph/0412327 [pdf, other]

Title: Formation of massive skyrmion stars

S.B. Popov (1,2), M.E. Prokhorov (1) ((1) Sternberg Astronomical Institute; (2) Padova University)

Comments: 8 pages with 3 figures, submitted to A&A

Journal-ref: Astron.Astrophys. 434 (2005) 649-655

Subjects: Astrophysics (astro-ph)

[328] arXiv:astro-ph/0412328 [pdf, other]

Title: Transforming observational data and theoretical isochrones into the ACS/WFC Vega-mag system

Luigi R. Bedin (1,2), Santi Cassisi (3), Fiorella Castelli (4,5), Giampaolo Piotto (1), Jay Anderson (6), Maurizio Salaris (7), Yazan Momany (1), Adriano Pietrinferni (3). ((1) <a href="http://Univ.PD" rel="external noopener nofollow" class="link-external link-http">this http URL</a>, (2) <a href="http://E.S.O.Garching" rel="external noopener nofollow" class="link-external link-http">this http URL</a>, (3) <a href="http://INAF-Obs.Teramo" rel="external noopener nofollow" class="link-external link-http">this http URL</a>, (4) <a href="http://Ist.di" rel="external noopener nofollow" class="link-external link-http">this http URL</a> Astrofisica Spaziale e di Fisica Cosmica CNR, (5) <a href="http://INAF-Obs.Trieste" rel="external noopener nofollow" class="link-external link-http">this http URL</a>, (6) Rice Univ. Houston, (7) <a href="http://J.M.Univ" rel="external noopener nofollow" class="link-external link-http">this http URL</a>. Liverpool)

Comments: 10 pages, 3 figures, 7 Tables. Accepted (2004 Dec 14) on M.N.R.A.S

Journal-ref: Mon.Not.Roy.Astron.Soc. 357 (2005) 1038-1048

Subjects: Astrophysics (astro-ph)

[329] arXiv:astro-ph/0412329 [pdf, other]

Title: Beta, Local SNIa data and the Great Attractor

John Lucey (1), David Radburn-Smith (1), Mike Hudson (2) ((1) University of Durham, (2) University of Waterloo)

Comments: 6 pages, 3 figures. To appear in `Nearby Large-Scale Structures and the Zone of Avoidance', eds. A.P. Fairall and P.A. Woudt, ASP Conf. Series

Subjects: Astrophysics (astro-ph)

[330] arXiv:astro-ph/0412330 [pdf, other]

Title: Resonantly-forced Eccentric Ringlets: Relationships between Surface Density, Resonance location, Eccentricity and Eccentricity-gradient

M.D. Melita, J.C.B. Papaloizou

Comments: Accepted for publication in Celestial Mechanics and Dynamical Astronomy

Subjects: Astrophysics (astro-ph)

[331] arXiv:astro-ph/0412331 [pdf, other]

Title: WWW Database of Models of Accretion Disks Irradiated by The Central Star

Paola D'Alessio (CRyA), Bruno Merin (LAEFF), Nuria Calvet (CfA), Lee Hartmann (CfA), Benjamin Montesinos (LAEFF)

Comments: 7 pages, 1 table, accepted for publication in RevMexA&A, vol. 41, april 2005

Subjects: Astrophysics (astro-ph)

[332] arXiv:astro-ph/0412332 [pdf, other]

Title: Constraining Galactic Models Through Parallax and Astrometry of Microlensing Events

Sohrab Rahvar, Sima Ghassemi

Comments: 11 pages, 3 figures, accepted in A&A

Journal-ref: Astron.Astrophys. 438 (2005) 153

Subjects: Astrophysics (astro-ph)

[333] arXiv:astro-ph/0412333 [pdf, other]

Title: Classical nova explosions

Margarita Hernanz (IEEC-CSIC)

Comments: 14 pages, review paper for the conference 'The Astrophysics of Cataclysmic Variables and Related Objects', Strasbourg, France, 11-16 July 2004 (ASP Conference Series, Eds. J.M. Hameury and J.P. Lasota)

Subjects: Astrophysics (astro-ph)

[334] arXiv:astro-ph/0412334 [pdf, other]

Title: Extended quintessence with an exponential coupling

Valeria Pettorino, Carlo Baccigalupi, Gianpiero Mangano

Comments: LaTeX, 18 pages, 6 figures, minor changes, accepted for publication on JCAP

Journal-ref: JCAP 0501:014,2005

Subjects: Astrophysics (astro-ph)

[335] arXiv:astro-ph/0412335 [pdf, other]

Title: X-ray Bright Optically Inactive Galaxies (XBONG) in XMM-Newton/SDSS fields: more diluted than absorbed?

I. Georgantopoulos, A. Georgakakis (National Observatory of Athens)

Comments: 8 pages to appear in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 358 (2005) 131-138

Subjects: Astrophysics (astro-ph)

[336] arXiv:astro-ph/0412336 [pdf, other]

Title: Imaging Protoplanetary Disks with a Square Kilometer Array

D. J. Wilner

Comments: 14 pages, 8 figures, to appear in "Science with the Square Kilometer Array," eds. C. Carilli and S. Rawlings, New Astronomy Reviews (Elsevier: Amsterdam)

Subjects: Astrophysics (astro-ph)

[337] arXiv:astro-ph/0412337 [pdf, other]

Title: Resolved Mid-Infrared Emission Around AB Aur and V892 Tau with Adaptive Optics Nulling Interferometric Observations

W.M. Liu, P.M. Hinz, W.F. Hoffmann, G. Brusa, D. Miller, M.A. Kenworthy (Steward Observatory, U. of Arizona)

Comments: 11 pages, 1 figure, Accepted for publication in ApJ Letters

Journal-ref: Astrophys.J. 618 (2004) L133-L136

Subjects: Astrophysics (astro-ph)

[338] arXiv:astro-ph/0412338 [pdf, other]

Title: Depth Development of Extensive Air Showers from Muon Time Distributions

L. Cazon, R. A. Vazquez, E. Zas

Comments: 16 pages, 11 figures. Accepted for publication in Astropart. Phys

Journal-ref: Astropart.Phys. 23 (2005) 393-409

Subjects: Astrophysics (astro-ph)

[339] arXiv:astro-ph/0412339 [pdf, other]

Title: Fe L-Shell Density Diagnostics in Theory and Practice

Christopher W. Mauche, Duane A. Liedahl, Kevin B. Fournier (Lawrence Livermore Nat'l Lab.)

Comments: 11 pages including 9 encapsulated postscript figures; LaTeX format, uses this http URL, this http URL, and this http URL; to appear in the proceedings of X-ray Diagnostics for Astrophysical Plasmas: Theory, Experiment, and Observation, ed. R. K. Smith (Melville: AIP)

Subjects: Astrophysics (astro-ph)

[340] arXiv:astro-ph/0412340 [pdf, other]

Title: Observational tests of the evolution of spheroidal galaxies

Laura Silva (1), Gianfranco De Zotti (2), Gian Luigi Granato (2), Roberto Maiolino (3), Luigi Danese (4) ((1) INAF-Trieste, (2) INAF-Padova, (3) INAF-Arcetri, (4) SISSA-Trieste)

Comments: 12 pages, MNRAS, accepted

Journal-ref: Mon.Not.Roy.Astron.Soc. 357 (2005) 1295-1305

Subjects: Astrophysics (astro-ph)

[341] arXiv:astro-ph/0412341 [pdf, other]

Title: Choice of Observing Schedules for Astrometric Planet Searches

Eric B. Ford (UC Berkeley)

Comments: 29 pages, 9 figures, 2 tables, to be published in PASP

Journal-ref: Nature 434 (2005) 873-876

Subjects: Astrophysics (astro-ph)

[342] arXiv:astro-ph/0412342 [pdf, other]

Title: Dynamo models and differential rotation in late-type rapidly rotating stars

E. Covas, D. Moss, R. Tavakol

Comments: Astronomy and Astrophysics, in press

Journal-ref: Astron.Astrophys. 429 (2005) 657-665

Subjects: Astrophysics (astro-ph)

[343] arXiv:astro-ph/0412343 [pdf, other]

Title: Properties of Ly-alpha and Gamma Ray Burst selected starbursts at high redshifts

J. P. U. Fynbo, B. Krog, K. Nilsson, G. Bjornsson, J. Hjorth, P. Jakobsson, C. Ledoux, P. Moller, B. Thomsen

Comments: invited talk, 6 pages, 3 figures, to appear in ``Starbursts from 30 Doradus to Lyman Break Galaxies'', eds. R. de Grijs, R. M. Gonzalez Delgado, Astrophysics & Space Science Library Series, Kluwer (in press)

Subjects: Astrophysics (astro-ph)

[344] arXiv:astro-ph/0412344 [pdf, other]

Title: Interstellar dust: what is it, how does it evolve, and what are its observational consequences?

Eli Dwek

Comments: 20 pages, 10 figures. To appear in the proceedings of: "The Spectral Energy Distribution of Gas-Rich Galaxies: Confronting Models with Data", Heidelberg, 4-8 Oct. 2004, eds. C.C. Popescu and R.J. Tuffs, AIP Conf. Ser., in press. New version includes a more accurate representation of eq. (7), an additional figure (10), two added references, and corrections for typos and style

Subjects: Astrophysics (astro-ph)

[345] arXiv:astro-ph/0412345 [pdf, other]

Title: Fundamental Properties of O-Type Stars

Sara R. Heap, Thierry Lanz, Ivan Hubeny

Comments: Submitted to Astrophysical Journal; 69 pages

Journal-ref: Astrophys.J. 638 (2006) 409-432

Subjects: Astrophysics (astro-ph)

[346] arXiv:astro-ph/0412346 [pdf, other]

Title: Low mass loss rates in O-type stars: Spectral signatures of dense clumps in the wind of two Galactic O4 stars

J.-C. Bouret, T. Lanz, D. J. Hillier

Comments: To appear in Astronomy & Astrophysics; 16 pages; accepted version after minor revision

Journal-ref: Astron.Astrophys.438:301-316,2005

Subjects: Astrophysics (astro-ph)

[347] arXiv:astro-ph/0412347 [pdf, other]

Title: Search for extraterrestrial point sources of high energy neutrinos with AMANDA-II using data collected in 2000-2002

The AMANDA Collaboration: M. Ackermann, et al

Comments: 5 pages, 3 figures, 3 tables, submitted to PRD Rapid Communication

Journal-ref: Phys.Rev.D71:077102,2005

Subjects: Astrophysics (astro-ph)

[348] arXiv:astro-ph/0412348 [pdf, other]

Title: High resolution SPH simulations of disk formation in CDM halos; resolution tests

Tobias Kaufmann, Lucio Mayer, Ben Moore, Joachim Stadel, James Wadsley

Comments: 5 pages, 3 figures, published in the Proceedings of Science, Conference "Baryons in Dark Matter Haloes", Novigrad, Croatia, 5-9 October 2004, one figure added

Journal-ref: PoS(BDMH2004)057

Subjects: Astrophysics (astro-ph)

[349] arXiv:astro-ph/0412349 [pdf, other]

Title: Live Fe-60 in the Early Solar System

O. Manuel

Comments: Comment on "The Cradle of the Solar System" [Science 304,116-117 (21 May 2004)]

Journal-ref: Science 304 (2004) 116-117

Subjects: Astrophysics (astro-ph)

[350] arXiv:astro-ph/0412350 [pdf, other]

Title: A Possible Detection of M31* with Chandra

M.R. Garcia (1), B.F. Williams (1), F. Yuan (2), A.K.H. Kong (1), F.A. Primini (1), P. Barmby (1), P. Kaaret (3), S.S. Murray (1) ((1) Center for Astrophysics, (2) Purdue University, (3) University of Iowa)

Comments: 14 pages, 5 figures, submitted to ApJ

Journal-ref: Astrophys.J. 632 (2005) 1042-1047

Subjects: Astrophysics (astro-ph)