Astrophysics

Authors and titles for February 2004

[501] arXiv:astro-ph/0402501 [pdf, other]

Title: Fragmentation in Massive Star Formation

H. Beuther, P. Schilke

Comments: 5 pages text plus 2 figures

Journal-ref: Science 303 (2004) 1167-1169

Subjects: Astrophysics (astro-ph)

[502] arXiv:astro-ph/0402502 [pdf, other]

Title: General relativistic hydrodynamics with viscosity: contraction, catastrophic collapse, and disk formation in hypermassive neutron stars

Matthew D. Duez, Yuk Tung Liu, Stuart L. Shapiro, Branson C. Stephens (University of Illinois)

Comments: 27 pages, 21 figures, accepted for publication in Phys. Rev. D

Journal-ref: Phys.Rev. D69 (2004) 104030

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

[503] arXiv:astro-ph/0402503 [pdf, other]

Title: Probing Gravitation, Dark Energy, and Acceleration

Eric V. Linder (Berkeley Lab)

Comments: 12 pages, 8 figures

Journal-ref: Phys.Rev. D70 (2004) 023511

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

[504] arXiv:astro-ph/0402504 [pdf, other]

Title: Bulgeless Galaxies and their Angular Momentum Problem

Elena D'Onghia (1,2), Andreas Burkert (2) ((1) MPE Garching, (2) USM Munich)

Comments: 4 pages, 3 figures. To appear in September 1, 2004, issue of ApJ Letters

Journal-ref: Astrophys.J. 612 (2004) L13-L16

Subjects: Astrophysics (astro-ph)

[505] arXiv:astro-ph/0402505 [pdf, other]

Title: SMA outflow/disk studies in the massive star-forming region IRAS18089-1732

H. Beuther, T.R. Hunter, Q. Zhang, T.K. Sridharan, J.-H. Zhao, P. Sollins, P.T.P. Ho, N. Ohashi, Y.N. Su, J. Lim, S.-Y. Liu

Comments: 7 pages of text, 1 table, 3 figures, accepted for ApJ Letters

Journal-ref: Astrophys.J. 616 (2004) L23-L26

Subjects: Astrophysics (astro-ph)

[506] arXiv:astro-ph/0402506 [pdf, other]

Title: What the Optical Recombination Lines Can Tell Us About the Broad Line Regions of Active Galactic Nuclei

Kirk T. Korista, Michael R. Goad

Comments: 30 pages, including 1 table and 8 figures (separate Fig.4 in JPEG format). Emission line ratio "Hbeta/HeI 5876" was quoted upside down within Abstract and Summary, and has now been corrected. Important reference updated. Results unaffected. Erratum to appear in Astrophys.J. 627 (2005)

Journal-ref: Astrophys.J. 606 (2004) 749-762; Erratum-ibid. 627 (2005) 577

Subjects: Astrophysics (astro-ph)

[507] arXiv:astro-ph/0402507 [pdf, other]

Title: Rotational sweepback of magnetic field lines in geometrical models of pulsar radio emission

J. Dyks, A. K. Harding

Comments: 29 pages, 7 figures, submitted to ApJ

Journal-ref: Astrophys.J. 614 (2004) 869-880

Subjects: Astrophysics (astro-ph)

[508] arXiv:astro-ph/0402508 [pdf, other]

Title: The Case for Optically-Thick High Velocity Broad Line Region Gas in Active Galactic Nuclei

Stephanie A. Snedden, C. Martin Gaskell

Comments: 34 pages in AASTeX, including 10 pages of figures. Submitted to Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[509] arXiv:astro-ph/0402509 [pdf, other]

Title: A Census of the Chamaeleon I Star-Forming Region

K. L. Luhman (CfA)

Comments: 59 pages, 22 figures

Journal-ref: Astrophys.J. 602 (2004) 816

Subjects: Astrophysics (astro-ph)

[510] arXiv:astro-ph/0402510 [pdf, other]

Title: Modified Friedmann Cosmologies - theory & observations

Marek Szydlowski, Wojciech Czaja

Comments: RevTeX4, 30 pages, 11 figures

Journal-ref: Annals Phys. 320 (2005) 261-281

Subjects: Astrophysics (astro-ph)

[511] arXiv:astro-ph/0402511 [pdf, other]

Title: Quasi-Periodic Oscillations from Low-Mass X-Ray Binaries with Neutron Stars

Jean Swank (NASA/GSFC)

Comments: 8 pages, 8 figures, to appear in the proceedings of "X-Ray Timing 2003: Rossi and Beyond", eds. P. Kaaret, F.K. Lamb, & J.H. Swank (Melville, NY: AIP)

Subjects: Astrophysics (astro-ph)

[512] arXiv:astro-ph/0402512 [pdf, other]

Title: Type Ia Supernova Discoveries at z>1 From the Hubble Space Telescope: Evidence for Past Deceleration and Constraints on Dark Energy Evolution

Adam G. Riess, Louis-Gregory Strolger, John Tonry, Stefano Casertano, Henry C. Ferguson, Bahram Mobasher, Peter Challis, Alexei V. Filippenko, Saurabh Jha, Weidong Li, Ryan Chornock, Robert P. Kirshner, Bruno Leibundgut, Mark Dickinson, Mario Livio, Mauro Giavalisco, Charles C. Steidel, Narciso Benitez, Zlatan Tsvetanov

Comments: Accepted Astrophysical Journal, to Appear June 2004 72 pages, 17 Figures

Journal-ref: Astrophys.J.607:665-687,2004

Subjects: Astrophysics (astro-ph)

[513] arXiv:astro-ph/0402513 [pdf, other]

Title: The contribution of primordial binaries to the blue straggler population in 47 Tucanae

M. Mapelli, S. Sigurdsson, M. Colpi, F. R. Ferraro, A. Possenti, R. T. Rood, A. Sills, G. Beccari

Comments: 5 pages, 3 figures, to appear in ApJL, version enlarged to include Table 2

Journal-ref: Astrophys.J. 605 (2004) L29-L32

Subjects: Astrophysics (astro-ph)

[514] arXiv:astro-ph/0402514 [pdf, other]

Title: Phase Transitions in Nucleonic Matter and Neutron-Star Cooling

V. A. Khodel, J. W. Clark, M. Takano, M. V. Zverev

Comments: 4 pages, 2 figures. Revised version. Accepted for publication in this http URL

Journal-ref: Phys.Rev.Lett.93:151101,2004

Subjects: Astrophysics (astro-ph)

[515] arXiv:astro-ph/0402515 [pdf, other]

Title: Extended complex scalar field as quintessence

Yi-Huan Wei

Comments: 8 pages. to appear in Grav. & Cosmology

Journal-ref: Grav.Cosmol. 9 (2003) 307-310

Subjects: Astrophysics (astro-ph)

[516] arXiv:astro-ph/0402516 [pdf, other]

Title: Light on Dark Matter

R. Brent Tully

Comments: 4 pages, 5 figures. Paper presented at workshop `Structure and Dynamics in the Local Universe' 24-26 November, 2003, Sydney, Australia

Subjects: Astrophysics (astro-ph)

[517] arXiv:astro-ph/0402517 [pdf, other]

Title: Constraining the solutions of an inverse method of stellar population synthesis

J. Moultaka, C. Boisson, M. Joly, D. Pelat

Comments: Accepted in A&A. 15 pages, 5 figures and 6 tables

Journal-ref: Astron.Astrophys. 420 (2004) 459-466

Subjects: Astrophysics (astro-ph)

[518] arXiv:astro-ph/0402518 [pdf, other]

Title: X-Ray Emission from the Double Pulsar System J0737-3039

M. A. McLaughlin, F. Camilo, M. Burgay, N. D'Amico, B. C. Joshi, M. Kramer, D. R. Lorimer, A. G. Lyne, R. N. Manchester, A. Possenti

Comments: 5 pages, 4 figures, accepted by ApJ Letters

Journal-ref: Astrophys.J. 605 (2004) L41-L44

Subjects: Astrophysics (astro-ph)

[519] arXiv:astro-ph/0402519 [pdf, other]

Title: The Counter Arc to MS1512-cB58 and a Companion Galaxy

Harry I. Teplitz (SSC), Matthew A. Malkan (UCLA), Ian S. McLean (UCLA)

Comments: Accepted by ApJ. 18 pages including 5 figures

Journal-ref: Astrophys.J. 608 (2004) 36-41

Subjects: Astrophysics (astro-ph)

[520] arXiv:astro-ph/0402520 [pdf, other]

Title: Near-Infrared Colors of Hard X-ray Selected Active Galactic Nuclei

Chisato Watanabe (Kyoto U.), Kouji Ohta (Kyoto U.), Masayuki Akiyama (Subaru Telescope), Yoshihiro Ueda (ISAS)

Comments: 27 pages with 6 figures and 1 table. Accepted by ApJ.; added this comment

Journal-ref: Astrophys.J. 610 (2004) 128-139

Subjects: Astrophysics (astro-ph)

[521] arXiv:astro-ph/0402521 [pdf, other]

Title: Comprehensive analysis of RGU photometry in the direction to M5

S. Karaali, S. Bilir, R. Buser

Comments: 17 pages, including 13 figures and 3 tables, accepted for publication in PASA

Subjects: Astrophysics (astro-ph)

[522] arXiv:astro-ph/0402522 [pdf, other]

Title: Solving the discrepancy among the light elements abundances and WMAP

Kazuhide Ichikawa, Masahiro Kawasaki, Fuminobu Takahashi

Comments: 8 pages, 5 figures;(v2) Sec I and II-A are extended, 2 figures are added

Journal-ref: Phys.Lett. B597 (2004) 1-10

Subjects: Astrophysics (astro-ph)

[523] arXiv:astro-ph/0402523 [pdf, other]

Title: The environmental dependence of radio-loud AGN activity and star formation in the 2dFGRS

P.N.Best (IfA Edinburgh)

Comments: Accepted for publication in MNRAS. LaTeX, 13 pages

Journal-ref: Mon.Not.Roy.Astron.Soc. 351 (2004) 70

Subjects: Astrophysics (astro-ph)

[524] arXiv:astro-ph/0402524 [pdf, other]

Title: The origin and structure of clumps along molecular outflows: the test case of CB3

Serena Viti, Claudio Codella, Milena Benedettini, Rafael Bachiller

Comments: 11 pages, 5 figures, accepted by MNRAS; corrected label in figure 5

Journal-ref: Mon.Not.Roy.Astron.Soc. 350 (2004) 1029

Subjects: Astrophysics (astro-ph)

[525] arXiv:astro-ph/0402525 [pdf, other]

Title: Measuring Dark Matter Flows in Merging Clusters of Galaxies

J.A. Rubino-Martin, C. Hernandez-Monteagudo, T.A. Ensslin

Comments: 10 pages, 11 figures. Accepted for publication in Astronomy and Astrophysics

Journal-ref: Astron.Astrophys. 419 (2004) 439-447

Subjects: Astrophysics (astro-ph)

[526] arXiv:astro-ph/0402526 [pdf, other]

Title: XMM-Newton observations of polars in low accretion states

Gavin Ramsay (1), Mark Cropper (1), Kinwah Wu (1), Keith Mason (1), France Cordova (2), William Priedhorsky (3) ((1) MSSL/UCL, (2) UC Riverside, (3) Los Alamos NL)

Comments: accepted MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 350 (2004) 1373

Subjects: Astrophysics (astro-ph)

[527] arXiv:astro-ph/0402527 [pdf, other]

Title: A completely analytical family of dynamical models for spherical galaxies and bulges with a central black hole

Maarten Baes, Herwig Dejonghe

Comments: 13 pages, 1 figure, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 351 (2004) 18

Subjects: Astrophysics (astro-ph)

[528] arXiv:astro-ph/0402528 [pdf, other]

Title: Imaging the first light: experimental challenges and future perspectives in the observation of the Cosmic Microwave Background Anisotropy

A. Mennella, C. Baccigalupi, A. Balbi, M. Bersanelli, C. Burigana, C. Butler, B. Cappellini, G. De Gasperis, F. Hansen, D. Maino, N. Mandolesi, M. Maris, G. Morgante, P. Natoli, F. Pasian, F. Perrotta, P. Platania, L. Valenziano, F. Villa, A. Zacchei

Comments: To be published in "Recent Research Developments in Astronomy & Astrophysics Astrophysiscs" - Vol II

Subjects: Astrophysics (astro-ph)

[529] arXiv:astro-ph/0402529 [pdf, other]

Title: Are Domain Walls ruled out ?

Luca Conversi, Alessandro Melchiorri, Laura Mersini, Joseph Silk

Comments: 6 pages, 6 figures

Journal-ref: Astropart.Phys.21:443-449,2004

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

[530] arXiv:astro-ph/0402530 [pdf, other]

Title: 1WGA J2223.7-0206: a Narrow-Line Quasi-Stellar Object in the XMM-Newton field of view of 3C445

Paola Grandi, Luigi Foschini, Nicola Masetti, Eliana Palazzi

Comments: 6 pages, 5 figures, accepted by A&A, removed pag. 7 containing a duplication of Fig.1

Journal-ref: Astron.Astrophys. 418 (2004) 907-911

Subjects: Astrophysics (astro-ph)

[531] arXiv:astro-ph/0402531 [pdf, other]

Title: An IRAS High Resolution Image Restoration (HIRES) Atlas of All Interacting Galaxies in the IRAS Revised Bright Galaxy Sample

J.A. Surace, J.M. Mazzarella, D.B. Sanders

Comments: 49 pages, 13 figures. To appear in the Astronomical Journal. Figures have been degraded due to space considerations. A PDF version with higher quality figures is available at this http URL

Subjects: Astrophysics (astro-ph)

[532] arXiv:astro-ph/0402532 [pdf, other]

Title: Growth of Intermediate-Mass Black Holes in Globular Clusters

Kayhan Gultekin, M. Coleman Miller, Douglas P. Hamilton (Univ. of Maryland)

Comments: 28 pages including 9 figures, submitted to ApJ

Journal-ref: Astrophys.J. 616 (2004) 221-230

Subjects: Astrophysics (astro-ph)

[533] arXiv:astro-ph/0402533 [pdf, other]

Title: Spatial distributions of the REFLEX-DXL galaxy clusters at z~0.3 observed by XMM-Newton

Y.-Y. Zhang, A. Finoguenov, H. Boehringer, Y. Ikebe, K. Matsushita, P. Schuecker, L. Guzzo, C. A. Collins

Comments: 6 pages, 6 figures, to appear in the proceedings of "Modelling the Intergalactic and Intracluster Media", Vulcano Italy, October 1-4, 2003

Subjects: Astrophysics (astro-ph)

[534] arXiv:astro-ph/0402534 [pdf, other]

Title: Constraints on Neutron Star Parameters from Burst Oscillation Light Curves of the Accreting Millisecond Pulsar XTE J1814-338

Sudip Bhattacharyya, Tod E. Strohmayer, M. Coleman Miller, Craig B. Markwardt

Comments: 32 pages, 14 figures, 4 tables, thorough revision, accepted for publication in ApJ

Journal-ref: Astrophys.J. 619 (2005) 483-491

Subjects: Astrophysics (astro-ph)

[535] arXiv:astro-ph/0402535 [pdf, other]

Title: PHL 1811: The Local Prototype of the Lineless High-z SDSS QSOs

Karen M. Leighly, Jules P. Halpern, Edward B. Jenkins

Comments: Proc. AGN Physics with the Sloan Digital Sky Survey, Eds. G. T. Richards and P. B. Hall, 4 pages, 2 figures

Subjects: Astrophysics (astro-ph)

[536] arXiv:astro-ph/0402536 [pdf, other]

Title: Stellar models of evolved secondaries in CVs

N. Andronov, M. H. Pinsonneault

Comments: 24 pages, 9 figures. Submitted to ApJ

Journal-ref: Astrophys.J. 614 (2004) 326-337

Subjects: Astrophysics (astro-ph)

[537] arXiv:astro-ph/0402537 [pdf, other]

Title: Compact binaries in globular clusters

N. Ivanova, F.A. Rasio (Northwestern)

Comments: to appear in Proceedings of IAU Colloquium 194 "Compact binaries in the Galaxy and beyond" (Rev. Mex. A&A Conf. Series), eds. G. Tovmassian and E. Sion

Subjects: Astrophysics (astro-ph)

[538] arXiv:astro-ph/0402538 [pdf, other]

Title: Modelling Galaxies with a Multi-Phase ISM in 3d

S. Harfst, C. Theis, G. Hensler

Comments: 6 pages, 7 figures, Refereed contribution to the 5th Galactic Chemodynamics conference held in Swinburne, July 2003. Accepted for publication in PASA

Subjects: Astrophysics (astro-ph)

[539] arXiv:astro-ph/0402539 [pdf, other]

Title: On the Vertical Structure of Radiation-Dominated Accretion Disks

N. J. Turner

Comments: 3 figures. Accepted by Astrophysical Journal Letters

Journal-ref: Astrophys.J. 605 (2004) L45-L48

Subjects: Astrophysics (astro-ph)

[540] arXiv:astro-ph/0402540 [pdf, other]

Title: Differential Rotation in Weakly-Magnetized Neutron Star Atmospheres

Kristen Menou (IAP)

Comments: 11 pages, 6 figures, 2 tables, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 352 (2004) 1381

Subjects: Astrophysics (astro-ph)

[541] arXiv:astro-ph/0402541 [pdf, other]

Title: Quintessence and Thermal Matter

S. Hsu, B. Murray

Comments: LaTex, 11 pages, 5 figures. Minor additions. Version to appear in Physics Letters B

Journal-ref: Phys.Lett. B595 (2004) 16-21

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

[542] arXiv:astro-ph/0402542 [pdf, other]

Title: Predicting Planets in Known Extra-Solar Planetary Systems I: Test Particle Simulations

Rory Barnes, Sean N. Raymond

Comments: 8 pages, 6 figures, 2 tables, submitted to ApJ

Journal-ref: Astrophys.J. 617 (2004) 569-574

Subjects: Astrophysics (astro-ph)

[543] arXiv:astro-ph/0402543 [pdf, other]

Title: The Variability of Sagittarius A* at Centimeter Wavelengths

R. M. Herrnstein, J.-H. Zhao, G. C. Bower, W. M. Goss

Comments: 16 pages, 10 figures, accepted for publication in AJ

Subjects: Astrophysics (astro-ph)

[544] arXiv:astro-ph/0402544 [pdf, other]

Title: Models for Solar Abundance Stars with Gravitational Settling and Radiative Accelerations: Application to M67 and NGC188

G. Michaud, O. Richard, J. Richer, Don A. VandenBerg

Comments: 34 pages, 15 figures, Accepted by the Astrophysical Journal

Journal-ref: Astrophys.J. 606 (2004) 452-465

Subjects: Astrophysics (astro-ph)

[545] arXiv:astro-ph/0402545 [pdf, other]

Title: Distribution of Faraday Rotation Measure in Jets from Active Galactic Nuclei II. Prediction from our Sweeping Magnetic Twist Model for the Wiggled Parts of AGN Jets and Tails

H. Kigure, Y. Uchida, M. Nakamura, S. Hirose, R. Cameron

Comments: Accepted for publication in ApJ

Journal-ref: Astrophys.J. 608 (2004) 119-135

Subjects: Astrophysics (astro-ph)

[546] arXiv:astro-ph/0402546 [pdf, other]

Title: Future Japanese missions for the study of warm-hot intergalactic medium

T. Ohashi, M. Ishida, S. Sasaki, Y. Ishisaki, K. Mitsuda, N. Y. Yamasaki, R. Fujimoto, T. Furusho, H. Kunieda, Y. Tawara, A. Furuzawa, Y. Suto, K. Yoshikawa

Comments: 6 pages, 9 figures. To appear in the proceedings of "Modelling the Intergalactic and Intracluster Media", Vulcano Island, October 1-4, 2003

Subjects: Astrophysics (astro-ph)

[547] arXiv:astro-ph/0402547 [pdf, other]

Title: Maps of the Cosmos: The Cosmic Microwave Background

Lyman Page

Comments: 15 pgs, 6 figures, Proceedings from IAU 2003, M. Colless ed

Subjects: Astrophysics (astro-ph)

[548] arXiv:astro-ph/0402548 [pdf, other]

Title: An HST parallax of the distant cataclysmic variable V1223 Sgr, its system parameters, and accretion rate

K. Beuermann, Th.E. Harrison, B.E. McArthur, G.F. Benedict, B.T. Gaensicke

Comments: Accepted for A&A, 9 pages, 2 figures

Journal-ref: Astron.Astrophys. 419 (2004) 291-299

Subjects: Astrophysics (astro-ph)

[549] arXiv:astro-ph/0402549 [pdf, other]

Title: The faint counterparts of MAMBO mm sources near the NTT Deep Field

H. Dannerbauer, M.D. Lehnert, D. Lutz, L. Tacconi, F. Bertoldi, C. Carilli, R. Genzel, K.M. Menten

Comments: 45 pages, 9 figures. Accepted by ApJ. The resolution of figures 2 and 3 has been degraded. A higher quality pdf version of this paper is available at this http URL

Journal-ref: Astrophys.J. 606 (2004) 664-682

Subjects: Astrophysics (astro-ph)

[550] arXiv:astro-ph/0402550 [pdf, other]

Title: Ejection of the inner accretion disk in GRS 1915+105: the magnetic rubber-band effect

A. Nandi, S. K. Chakrabarti, S. V. Vadawale, A. R. Rao

Comments: 7 Latex pages and one figure

Journal-ref: Astron.Astrophys. 380 (2001) 245

Subjects: Astrophysics (astro-ph)