Astrophysics

Authors and titles for June 2004

[601] arXiv:astro-ph/0406601 [pdf, other]

Title: The Frequency Evolution of Interstellar Pulse Broadening from Radio Pulsars

O. Loehmer (1), D. Mitra (1), Y. Gupta (2), M. Kramer (3), A. Ahuja (4) ((1) MPI fuer Radioastronomie, Germany; (2) NCRA, India; (3) Uni of Manchester, UK; (4) IUCAA, India)

Comments: 7 pages, 5 figures, accepted for publication in A&A

Journal-ref: Astron.Astrophys. 425 (2004) 569-575

Subjects: Astrophysics (astro-ph)

[602] arXiv:astro-ph/0406602 [pdf, other]

Title: A Search for Cold Dust around Neutron Stars

O. Loehmer (1), A. Wolszczan (2), R. Wielebinski (1) ((1) MPI fuer Radioastronomie, Germany; (2) Penn State University, USA)

Comments: 5 pages, 1 figure, accepted for publication in A&A

Journal-ref: Astron.Astrophys. 425 (2004) 763-766

Subjects: Astrophysics (astro-ph)

[603] arXiv:astro-ph/0406603 [pdf, other]

Title: Self-similar imploding relativistic shock waves

J.C. Hidalgo, S. Mendoza

Comments: 22 pages, 4 figures. Minor corrections and a discussion of the singular C_ characteristic added. Accepted for publication in Physics of Fluids

Journal-ref: Phys.Fluids 17 (2005) 096101

Subjects: Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); Fluid Dynamics (physics.flu-dyn)

[604] arXiv:astro-ph/0406604 [pdf, other]

Title: A high-significance detection of non-Gaussianity in the WMAP 1-year data using directional spherical wavelets

J. D. McEwen, M. P. Hobson, A. N. Lasenby, D. J. Mortlock

Comments: 14 pages, 10 figures, references added, replaced to match version accepted by MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 359 (2005) 1583-1596

Subjects: Astrophysics (astro-ph)

[605] arXiv:astro-ph/0406605 [pdf, other]

Title: 3C 129 : The GMRT observations

Dharam Vir Lal, A. Pramesh Rao

Comments: 9 Pages, 5 Figures, Accepted for publication in Astronomy & Astrophysics

Journal-ref: Astron.Astrophys. 420 (2004) 491-499

Subjects: Astrophysics (astro-ph)

[606] arXiv:astro-ph/0406606 [pdf, other]

Title: Stochastic Gravitational Wave Background in Brane World Cosmology

Kiyotomo Ichiki, Kouji Nakamura

Comments: 4 pages, 4 figures

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

[607] arXiv:astro-ph/0406607 [pdf, other]

Title: Disk Outflows and the Accretion Rate Gap

Mitchell C. Begelman (JILA), Annalisa Celotti (SISSA)

Comments: 4 pages, 1 figure; MNRAS Letter, accepted

Journal-ref: Mon.Not.Roy.Astron.Soc. 352 (2004) L45

Subjects: Astrophysics (astro-ph)

[608] arXiv:astro-ph/0406608 [pdf, other]

Title: The foundations of observing dark energy dynamics with the Wilkinson Microwave Anisotropy Probe

P.S. Corasaniti (Columbia U., ISCAP), M. Kunz (Sussex U., Astron. Ctr.), D. Parkinson (Portsmouth U., ICG), E.J. Copeland (Sussex U.), B.A. Bassett (Portsmouth U., ICG and Kyoto U.)

Comments: 14 pages, 14 figures. References added, matches PRD accepted version

Journal-ref: Phys.Rev.D70:083006,2004

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

[609] arXiv:astro-ph/0406609 [pdf, other]

Title: A model for the flaring radio emission in the double pulsar system J0737-3039

Bing Zhang (UNLV), Abraham Loeb (Harvard)

Comments: ApJ Letters, in press

Journal-ref: Astrophys.J. 614 (2004) L53-L56

Subjects: Astrophysics (astro-ph)

[610] arXiv:astro-ph/0406610 [pdf, other]

Title: Night sky brightness at sites from DMSP-OLS satellite measurements

Pierantonio Cinzano (1,2), Cristopher D. Elvidge (3) ((1) Dipartimento di Astronomia, Padova, Italy, (2) Istituto di Scienza e Tecnologia dell'Inquinamento Luminoso (ISTIL), Italy, (3) NOAA National Geophysical Data Center, Boulder, USA)

Comments: 14 pages, 12 figures, accepted for publication in MNRAS, 17 june 2004

Subjects: Astrophysics (astro-ph)

[611] arXiv:astro-ph/0406611 [pdf, other]

Title: Seyfert galaxies: Nuclear Radio Structure and Unification

Dharam Vir Lal

Comments: 8 pages, 2 figures (8 panels). PhD thesis abstract (Published in the Bulletin of Astronomical Society of India (this version is slightly different from the published version with minor differences))

Journal-ref: Bull.Astron.Soc.India 30 (2002) 777

Subjects: Astrophysics (astro-ph)

[612] arXiv:astro-ph/0406612 [pdf, other]

Title: The [Zn/Fe] -- [Fe/H] trend for disk and halo stars

Y.Q. Chen (National Astronomical Observatories, China), P. E. Nissen (Institute of Physics and Astronomy, University of Aarhus, Denmark), G. Zhao (National Astronomical Observatories, China)

Comments: 10 pages, 9 figures, use this http URL

Journal-ref: Astron.Astrophys. 425 (2004) 697-705

Subjects: Astrophysics (astro-ph)

[613] arXiv:astro-ph/0406613 [pdf, other]

Title: Ultra Compact Dwarf galaxies in Abell 1689: a photometric study with the ACS

S. Mieske, L. Infante, N. Benitez, D. Coe, J.P. Blakeslee, K. Zekser, H. Ford, T.J. Broadhurst, G.D. Illingworth, G.F. Hartig, M. Clampin, D.R. Ardila, F. Bartko, R.J. Bouwens, R.A. Brown, C.J. Burrows, E.S. Cheng, N.J.G. Cross, P.D. Feldman, M. Franx, D.A. Golimowski, T. Goto, C. Gronwall, B. Holden, N. Homeier, R.A. Kimble, J.E. Krist, M.P. Lesser, A.R. Martel, F. Menanteau, G.R. Meurer, G.K. Miley, M. Postman, P. Rosati, M. Sirianni, W.B. Sparks, H.D. Tran, Z.I. Tsvetanov, R.L. White, W. Zheng

Comments: 29 pages, 10 figures, accepted for publication in the October 2004 issue of the Astronomical Journal

Subjects: Astrophysics (astro-ph)

[614] arXiv:astro-ph/0406614 [pdf, other]

Title: Primary Proton Spectrum of Cosmic Rays measured with Single Hadrons

T. Antoni, et al, KASCADE Collaboration

Comments: 13 pages, accepted by Astrophysical Journal

Journal-ref: Astrophys.J. 612 (2004) 914-920

Subjects: Astrophysics (astro-ph)

[615] arXiv:astro-ph/0406615 [pdf, other]

Title: On the age-radius relation and orbital history of cluster galaxies

Ben Moore, Juerg Diemand, Joachim Stadel (University of Zurich)

Comments: To appear in the proceedings of IAU Colloquium 195: "Outskirts of galaxy clusters: intense life in the suburbs", Torino, Italy, March 12-16, 2004

Subjects: Astrophysics (astro-ph)

[616] arXiv:astro-ph/0406616 [pdf, other]

Title: The cosmic background: evolution of infrared galaxies and dust properties. A lecture dedicated to the memory of Mayo Greenberg

Jean-Loup Puget, Guilaine Lagache, Herve Dole

Comments: 13 pages, 5 figures. To appear in the proceedings of the conference "Penetrating Bars through Masks of Cosmic Dust: The Hubble Tuning Fork strikes a New Note" held June 7-12th, 2004 in Pilanesberg National Park, South Africa

Subjects: Astrophysics (astro-ph)

[617] arXiv:astro-ph/0406617 [pdf, other]

Title: A cloudy Vlasov solution

C. Alard, S. Colombi

Comments: 46 pages, 25 figures, submitted to MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 359 (2005) 123-163

Subjects: Astrophysics (astro-ph)

[618] arXiv:astro-ph/0406618 [pdf, other]

Title: V1647 Ori (IRAS 05436-0007) in Outburst: the First Three Months

Frederick M. Walter, Guy S. Stringfellow, William H. Sherry, Angeliki Field Pollatou

Comments: Accepted for publication in the Astronomical Journal

Subjects: Astrophysics (astro-ph)

[619] arXiv:astro-ph/0406619 [pdf, other]

Title: Non-thermal Mg I emission at 12 um from Procyon

N. Ryde, M. J. Richter

Comments: ApJ Letters, accepted

Journal-ref: Astrophys.J. 611 (2004) L41-L44

Subjects: Astrophysics (astro-ph)

[620] arXiv:astro-ph/0406620 [pdf, other]

Title: Unveiling the central parsec region of an AGN: the Circinus nucleus in the near infrared with the VLT

M. Almudena Prieto, K. Meisenheimer, Olivier Marco, Juha Reunanen, Marcella Contini, Y. Clenet, R.I. Davies, D. Gratadour, Th. Henning, U. Klaas, J. Kotilainen, Ch. Leinert, D. Lutz, D. Rouan, N. Thatte

Comments: 15 pages, 4 figures; To appear in The Astrophysical Journal

Journal-ref: Astrophys.J. 614 (2004) 135-141

Subjects: Astrophysics (astro-ph)

[621] arXiv:astro-ph/0406621 [pdf, other]

Title: Gravitino production by primordial black hole evaporation and constraints on the inhomogeneity of the early Universe

M. Yu Khlopov, A. Barrau, J. Grain

Comments: Published version. Minor changes, references added

Journal-ref: Class.Quant.Grav.23:1875-1882,2006

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

[622] arXiv:astro-ph/0406622 [pdf, other]

Title: Cosmic strings in Bekenstein-type models

J.Menezes, P.P. Avelino, C.Santos

Comments: 13 pages, 5 figures, error in ref. [38] corrected, references added, discussion extended

Journal-ref: JCAP 0502 (2005) 003

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

[623] arXiv:astro-ph/0406623 [pdf, other]

Title: The Binarity of Eta Carinae and its Similarity to Related Astrophysical Objects

Noam Soker (Technion, Israel)

Comments: Updated version. ApJ, in press

Journal-ref: Astrophys.J. 619 (2005) 1064-1071

Subjects: Astrophysics (astro-ph)

[624] arXiv:astro-ph/0406624 [pdf, other]

Title: Understanding the IMF

Richard B. Larson

Comments: Invited talk presented at the conference on "IMF@50: The Stellar Initial Mass Function Fifty Years Later" held at Abbazia di Spineto, Siena, Italy, May 2004. To be published by Kluwer Academic Publishers, edited by E. Corbelli, F. Palla, and H. Zinnecker. Revised version has minor updates and revisions

Journal-ref: Published in "The Initial Mass Function 50 Years Later", eds. E. Corbelli, F. Palla, and H. Zinnecker (Springer Dordrecht, 2005), p. 329

Subjects: Astrophysics (astro-ph)

[625] arXiv:astro-ph/0406625 [pdf, other]

Title: Data reduction methods for single-mode optical interferometry - Application to the VLTI two-telescopes beam combiner VINCI

P. Kervella, D. Segransan, V. Coude du Foresto

Comments: Accepted for publication in Astronomy & Astrophysics, 17 pages, 19 figures

Journal-ref: Astron.Astrophys. 425 (2004) 1161-1174

Subjects: Astrophysics (astro-ph)

[626] arXiv:astro-ph/0406626 [pdf, other]

Title: Dynamics and Heating of the Magnetic Network on the Sun: Efficiency of mode transformation

S.S. Hasan, P.Ulmschneider

Comments: 8 pages, 3 figures

Journal-ref: Astron.Astrophys. 422 (2004) 1085-1091; Erratum-ibid. 428 (2004) 1017

Subjects: Astrophysics (astro-ph)

[627] arXiv:astro-ph/0406627 [pdf, other]

Title: Testing blend scenarios for extrasolar transiting planet candidates. I. -- OGLE-TR-33: a false positive

Guillermo Torres (1), Maciej Konacki (2), Dimitar D. Sasselov (1), Saurabh Jha (3); ((1) Harvard-Smithsonian CfA, (2) Div. of Geological & Planetary Sciences, Caltech, (3) Dept. of Astronomy, Berkeley)

Comments: 33 pages including 1 table and 10 figures. To appear in ApJ, October 20, 2004 issue

Journal-ref: Astrophys.J. 614 (2004) 979-989

Subjects: Astrophysics (astro-ph)

[628] arXiv:astro-ph/0406628 [pdf, other]

Title: Low Frequency Observations of a Head-Tail Radio Source

Dharam Vir Lal, A. Pramesh Rao

Comments: 2 pages, 1 figure (2 panels). Accepted for publication in Bulletin of Astronomical Society of India

Journal-ref: 2003, Bull. Astron. Soc. India, vol 31, page 427

Subjects: Astrophysics (astro-ph)

[629] arXiv:astro-ph/0406629 [pdf, other]

Title: RefSponse: A Literature Evaluation System for the Professional Astrophysics Community

Robert E. Rutledge (McGill)

Subjects: Astrophysics (astro-ph)

[630] arXiv:astro-ph/0406630 [pdf, other]

Title: Iron Abundance Diagnostics in High-Redshift QSOs

Michael R. Corbin, Kirk T. Korista, Nalaka Kodituwakku, Wolfram Freduling

Comments: 2 pages, to appear in proceedings of IAU Symposium No. 222, The Interplay Among Black Holes, Stars and ISM in Galacti Nuclei

Subjects: Astrophysics (astro-ph)

[631] arXiv:astro-ph/0406631 [pdf, other]

Title: The accreting neutron stars are quasars, and the universe does not expand

Jacques Moret-Bailly

Comments: 15 pages, 9 figures

Subjects: Astrophysics (astro-ph)

[632] arXiv:astro-ph/0406632 [pdf, other]

Title: Multi-Phase Galaxy Formation: High Velocity Clouds and the Missing Baryon Problem

Ariyeh H. Maller (UMASS), James S. Bullock (UCI)

Comments: 21 pages, 12 figures, MNRAS accepted

Journal-ref: Mon.Not.Roy.Astron.Soc.355:694-712,2004

Subjects: Astrophysics (astro-ph)

[633] arXiv:astro-ph/0406633 [pdf, other]

Title: Interpreting the Relationship Between Galaxy Luminosity, Color and Environment

Andreas A. Berlind (1), Michael R. Blanton (1), David W. Hogg (1), David H. Weinberg (2), Romeel Davé (3), Daniel J. Eisenstein (3), Neal Katz (4). ((1) New York University, (2) The Ohio State University, (3) University of Arizona, (4) University of Massachusetts)

Comments: 8 pages including 5 figures (emulateapj). Submitted to ApJ

Journal-ref: Astrophys.J. 629 (2005) 625-632

Subjects: Astrophysics (astro-ph)

[634] arXiv:astro-ph/0406634 [pdf, other]

Title: The Parallax, Mass and Age of the PSR J2145-0750 binary system

O. Loehmer (1), M. Kramer (2), T. Driebe (1), A. Jessner (1), D. Mitra (1), A.G. Lyne (2) ((1) MPI fuer Radioastronomie, Bonn; (2) University of Manchester, Jodrell Bank Observatory)

Comments: 11 pages, 5 figures, accepted for publication in A&A

Journal-ref: Astron.Astrophys. 426 (2004) 631-640

Subjects: Astrophysics (astro-ph)

[635] arXiv:astro-ph/0406635 [pdf, other]

Title: Observational signatures of the weak lensing magnification of supernovae

Yun Wang

Comments: Including 4 color figures. Expanded and modified version. JCAP accepted

Journal-ref: JCAP 0503 (2005) 005

Subjects: Astrophysics (astro-ph)

[636] arXiv:astro-ph/0406636 [pdf, other]

Title: A New Contributor to Chemical Evolution in High-Redshift Galaxies

Takuji Tsujimoto (National Astronomical Observatory of Japan)

Comments: 5 pages, 1 figure, To appear in ApJ Letters

Journal-ref: Astrophys.J. 611 (2004) L17-L20

Subjects: Astrophysics (astro-ph)

[637] arXiv:astro-ph/0406637 [pdf, other]

Title: The Evolution of Galaxies in and around Clusters at High-Redshift

Yutaka Fujita (NAOJ), Tomotsugu Goto (Johns Hopkins U.)

Comments: Changes made to match the version to be published in PASJ

Subjects: Astrophysics (astro-ph)

[638] arXiv:astro-ph/0406638 [pdf, other]

Title: Chandra X-ray Analysis of Galaxy Cluster A168

Yanbin Yang, Zhiying Huo, Xu Zhou, Suijian Xue, Shude Mao, Jun Ma, Jiansheng Chen

Comments: 17 pages, 7 figures, to be published in ApJ. When this paper was being refereed, Eric Hallman and Maxim Markevitch carried out a similar work (astro-ph/0406322); our results are in broad agreement

Journal-ref: Astrophys.J. 614 (2004) 692-697

Subjects: Astrophysics (astro-ph)

[639] arXiv:astro-ph/0406639 [pdf, other]

Title: Embedded Star Clusters in the W51 Giant Molecular Cloud

M. S. N. Kumar (CAUP, Porto, Portugal), U. S. Kamath (IIA, Bangalore, India), C. J. Davis (JAC, Hilo, Hawaii, USA)

Comments: 10 pages and 5 figures. 3 figures in jpeg format

Subjects: Astrophysics (astro-ph)

[640] arXiv:astro-ph/0406640 [pdf, other]

Title: An Extinction Threshold for Protostellar Cores in Ophiuchus

Doug Johnstone, James Di Francesco, Helen Kirk

Comments: 12 pages, 1 figure. Accepted by Astrophysical Journal Letters

Journal-ref: Astrophys.J. 611 (2004) L45-L48

Subjects: Astrophysics (astro-ph)

[641] arXiv:astro-ph/0406641 [pdf, other]

Title: Propagation of Ultra-High Energy Cosmic Rays in Extragalactic Magnetic Fields

Tadeusz Wibig

Comments: 23 pages

Journal-ref: Central Eur.J.Phys. 2 (2004) 277-299

Subjects: Astrophysics (astro-ph)

[642] arXiv:astro-ph/0406642 [pdf, other]

Title: Chemical Abundances of Planetary Nebulae in M33

L. Magrini, M. Perinotto, A. Mampaso, R. L. M . Corradi

Comments: 17 pages, 6 figures, A&A accepted

Journal-ref: Astron.Astrophys. 426 (2004) 779-786

Subjects: Astrophysics (astro-ph)

[643] arXiv:astro-ph/0406643 [pdf, other]

Title: The effects of X-ray photoionization and heating on the structure of circumstellar discs

R.D.Alexander, C.J.Clarke, J.E.Pringle

Comments: 11 pages, 7 figures. Accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 354 (2004) 71-80

Subjects: Astrophysics (astro-ph)

[644] arXiv:astro-ph/0406644 [pdf, other]

Title: Electron Temperatures in W51 Complex from High Resolution, Low Frequency Radio Observations

P.K.Srivastava, Pramesh Rao

Comments: 21 pages,this http URL revised, submitted to JAA

Subjects: Astrophysics (astro-ph)

[645] arXiv:astro-ph/0406645 [pdf, other]

Title: Deep Near Infrared Imaging toward Vela Molecular Ridge C - 1: A Remarkable Embedded Cluster in RCW 36 -

D. Baba, T. Nagata, T. Nagayama, C. Nagashima, D. Kato, M. Kurita, S. Sato, Y. Nakajima, M. Tamura, H. Nakaya, K. Sugitani

Comments: 23 pages, 8 figures. Color version of Figure 1 made available in gif format. Accepted 24 June 2004 for publication in the ApJ

Journal-ref: Astrophys.J. 614 (2004) 818-826

Subjects: Astrophysics (astro-ph)

[646] arXiv:astro-ph/0406646 [pdf, other]

Title: The structure of Onsala 1 star forming region

M. S. N. Kumar (CAUP, Porto, Portugal), M. Tafalla (OAN, Madrid, Spain), R. Bachiller (OAN, Madrid, Spain)

Comments: 6 pages and 3 figures

Journal-ref: Astron.Astrophys. 426 (2004) 195-200

Subjects: Astrophysics (astro-ph)

[647] arXiv:astro-ph/0406647 [pdf, other]

Title: Virgo High-Resolution CO Survey IV. Spiral-Driven Gas Dynamics in the Non-Barred Seyfert Galaxy NGC 4501

Sachiko Onodera, Jin Koda, Yoshiaki Sofue, Kotaro Kohno

Comments: 14 pages, 11 figures

Journal-ref: Publ.Astron.Soc.Jap. 56 (2004) 439-452

Subjects: Astrophysics (astro-ph)

[648] arXiv:astro-ph/0406648 [pdf, other]

Title: Extended Coronal Emission Lines in Active Galactic Nuclei

A. Rodriguez-Ardila (1), A. Prieto (2), S. M. Viegas (3) ((1) Laboratorio Nacional de Astrofisica - Brazil; (2) Max-Plank-Institut fur Astronomie; (3) IAG-Universidade de Sao Paulo - Brazil)

Comments: 4 pages, 6 figures, to appear in proceedings of IAU Symposium No. 222, The Interplay Among Black Holes, Stars and ISM in Galacti Nuclei

Subjects: Astrophysics (astro-ph)

[649] arXiv:astro-ph/0406649 [pdf, other]

Title: Searching for radiative pumping lines of OH masers: II. The 53.3um absorption line towards 1612MHz OH maser sources

J. H. He, P. S. Chen

Comments: 34 pages, 12 figures, 4 tables

Journal-ref: New Astron. 9 (2004) 545

Subjects: Astrophysics (astro-ph)

[650] arXiv:astro-ph/0406650 [pdf, other]

Title: A thin ring model for the OH megamaser in IIIZw35

R. Parra (1), J. E. Conway (1), M. Elitzur (2) ((1) Onsala Space Observatory, Sweden, (2) Department of Physics and Astronomy, University of Kentucky, USA)

Subjects: Astrophysics (astro-ph)