Astrophysics

Authors and titles for April 2005

[201] arXiv:astro-ph/0504201 [pdf, other]

Title: The AMIGA project. I. Optical characterization of the CIG catalog

L. Verdes-Montenegro, J. Sulentic, U. Lisenfeld, S. Leon, D. Espada, E. Garcia, J. Sabater, S. Verley

Comments: In press in A&A

Subjects: Astrophysics (astro-ph)

[202] arXiv:astro-ph/0504202 [pdf, other]

Title: Growth of Intermediate Massive Black Holes in the Hierarchical Formation of Small Spiral Galaxies in the High-z Universe

Nozomu Kawakatu, Takayuki R. Saitoh, Keiichi Wada

Comments: 8pages, 7figures, accepted for publication in ApJ (Volume 628, 20 July 2005 issue)

Journal-ref: Astrophys.J. 628 (2005) 129-136

Subjects: Astrophysics (astro-ph)

[203] arXiv:astro-ph/0504203 [pdf, other]

Title: Formation of Massive Black Holes in Globular Clusters

Nozomu Kawakatu, Masayuki Umemura

Comments: 8pages, 5figures, accepted for publication in ApJ (Volume 628, August 1, 2005 issue)

Journal-ref: Astrophys.J. 628 (2005) 721-728

Subjects: Astrophysics (astro-ph)

[204] arXiv:astro-ph/0504204 [pdf, other]

Title: COUP census of X-ray stars in BN-KL and OMC-1S

N. Grosso (1), E.D. Feigelson (2), K.V. Getman (2), L. Townsley (2), P. Broos (2), E. Flaccomio (3), M.J. McCaughrean (4,5), G. Micela (3), S. Sciortino (3), J. Bally (6), N. Smith (6), A.A. Muench (7), G.P. Garmire (2), F. Palla (8) ((1) Laboratoire d'Astrophysique de Grenoble, (2) Pennsylvania State Univ., (3) Osservatorio Astronomico di Palermo, (4) Univ. of Exeter, (5) AIP, (6) Center for Astrophysics and Space Astronomy, (7) CfA, (8) Osservatorio Astrofisico di Arcetri)

Comments: 57 pages and 18 Figures. Accepted for publication by ApJS (COUP special issue). Preprint with higher resolution figures is available at this http URL

Subjects: Astrophysics (astro-ph)

[205] arXiv:astro-ph/0504205 [pdf, other]

Title: Energisation of interstellar media and cosmic ray production by jets from X-ray binaries

Rob Fender (Southampton), Tom Maccarone (Amsterdam), Zdenko van Kesteren (Amsterdam)

Comments: Accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 360 (2005) 1077-1084

Subjects: Astrophysics (astro-ph)

[206] arXiv:astro-ph/0504206 [pdf, other]

Title: The impact of gas physics on strong cluster lensing

Ewald Puchwein, Matthias Bartelmann, Klaus Dolag, Massimo Meneghetti

Comments: 8 pages, 10 figures, revised version published in A&A, added discussion of artificial viscosity

Journal-ref: Astron.Astrophys. 442 (2005) 405-412

Subjects: Astrophysics (astro-ph)

[207] arXiv:astro-ph/0504207 [pdf, other]

Title: The Linearity of the Wesenheit function for the Large Magellanic Cloud Cepheids

Chow-Choong Ngeow (UMASS), Shashi Kanbur (UMASS)

Comments: 8 pages, 3 figures and 5 tables, MNRAS accepted

Journal-ref: Mon.Not.Roy.Astron.Soc. 360 (2005) 1022-1032

Subjects: Astrophysics (astro-ph)

[208] arXiv:astro-ph/0504208 [pdf, other]

Title: QSO Formation under Coevolution of SMBH and Bulge

Nozomu Kawakatu, Masayuki Umemura, Masao Mori

Comments: 4pages, 2figures: contributed talk at IAU 222 (Gramado, Brazil)"The Interplay among Black Holes, Stars, ISM in Galactic Nuclei" 493, 2004 eds. Th. Storchi Bergmann, L.C. Ho and H.R. Schmitt

Subjects: Astrophysics (astro-ph)

[209] arXiv:astro-ph/0504209 [pdf, other]

Title: Non-Gaussianity of one-point distribution functions in extended Lagrangian perturbation theory

Takayuki Tatekawa

Comments: 15 pages, 11 figures, accepted for publication in JCAP

Journal-ref: JCAP 0504 (2005) 018

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

[210] arXiv:astro-ph/0504210 [pdf, other]

Title: A Multi-Instrument Study of the Helix Nebula Knots with the Hubble Space Telescope

C. R. O'Dell, W. J. Henney, G. J. Ferland

Comments: 16 pages, accepted for publication in The Astronomical Journal

Journal-ref: Astron.J.130:172-187,2005

Subjects: Astrophysics (astro-ph)

[211] arXiv:astro-ph/0504211 [pdf, other]

Title: Varying Electromagnetic Coupling and Primordial Magnetic Fields

O. Bertolami, R. Monteiro

Comments: Revtex4, 7 pages, 1 figure

Journal-ref: Phys.Rev.D71:123525,2005

Subjects: Astrophysics (astro-ph)

[212] arXiv:astro-ph/0504212 [pdf, other]

Title: On the Dayside Thermal Emission of Hot Jupiters

S. Seager (Carnegie/DTM), L. J. Richardson (NASA GSFC), B. M. S. Hansen (UCLA), K. Menou (Columbia U.), J. Y-K. Cho (Carnegie/DTM), D. Deming (NASA GSFC)

Comments: 12 pages, 4 figures, submitted to ApJ

Journal-ref: Astrophys.J. 632 (2005) 1122-1131

Subjects: Astrophysics (astro-ph)

[213] arXiv:astro-ph/0504213 [pdf, other]

Title: Gravitational evolution of a perturbed lattice and its fluid limit

M. Joyce, B. Marcos, A. Gabrielli, T. Baertschiger, F. Sylos Labini

Comments: 4 pages, 2 figures, version with minor modifications, accepted for publication in Phys. Rev. Lett

Journal-ref: Phys.Rev.Lett. 95 (2005) 011304

Subjects: Astrophysics (astro-ph); Other Condensed Matter (cond-mat.other)

[214] arXiv:astro-ph/0504214 [pdf, other]

Title: Extrasolar Carbon Planets

Marc J. Kuchner (Princeton), S. Seager (Carnegie/DTM)

Comments: 17 pages, 2 figures, submitted to ApJ

Subjects: Astrophysics (astro-ph)

[215] arXiv:astro-ph/0504215 [pdf, other]

Title: Cusps in CDM halos

Juerg Diemand (1,3), Marcel Zemp (1,2), Ben Moore (1), Joachim Stadel (1), Marcella Carollo (2), ((1) University of Zurich, (2) ETH Zurich, (3) University of California Santa Cruz)

Comments: 10 pages,10 figures. Matches version in press. Added Figure 7 and section 3.3. about upper limits of inner slopes, text (incl, title and abstract) revised, conclusions unchanged

Journal-ref: Mon.Not.Roy.Astron.Soc.364:665,2005

Subjects: Astrophysics (astro-ph)

[216] arXiv:astro-ph/0504216 [pdf, other]

Title: On the distribution of collisionless particles in local potential well

K. Belotsky, M. Khlopov

Comments: 6 pages, 1 figure

Journal-ref: Grav.Cosmol. 11 (2005) 220-222

Subjects: Astrophysics (astro-ph)

[217] arXiv:astro-ph/0504217 [pdf, other]

Title: A Catalog of Distant Compact Groups Using DPOSS

R. R. de Carvalho, T. S. Goncalves, A. Iovino, J. L. Kohl-Moreira, R. R. Gal, S. G. Djorgovski

Comments: accepted to AJ

Journal-ref: Astron.J.130:425-444,2005

Subjects: Astrophysics (astro-ph)

[218] arXiv:astro-ph/0504218 [pdf, other]

Title: The Unusual Luminosity Function of the Globular Cluster M10

Denise L. Pollard, Eric L. Sandquist, Jonathan R. Hargis, Michael Bolte

Comments: 31 pages, 12 figures, accepted for ApJ

Journal-ref: Astrophys.J. 628 (2005) 729-737

Subjects: Astrophysics (astro-ph)

[219] arXiv:astro-ph/0504219 [pdf, other]

Title: IRAC Mid-Infrared Imaging of the Hubble Deep Field South: Star Formation Histories and Stellar Masses of Red Galaxies at z>2

I. Labbe (1), J. Huang (2), M. Franx (3), G. Rudnick (4), P. Barmby (2), E. Daddi (4), P. G. van Dokkum (5), G. G. Fazio (2), N. M. Forster Schreiber (6), A. F. M. Moorwood (7), H.-W. Rix (8), H. Rottgering (3), I. Trujillo (8), P. van der Werf (3). ((1) Carnegie Observatories, (2) CFA, (3) Leiden Observatory, (4) NOAO, (5) Yale, (6) MPE, (7) ESO, (8) MPIA)

Comments: 4 pages, 3 figures, accepted for publication in the ApJ Letters, uses emulateapj

Journal-ref: Astrophys.J.624:L81-L84,2005

Subjects: Astrophysics (astro-ph)

[220] arXiv:astro-ph/0504220 [pdf, other]

Title: A High-z Correction to the Hubble Line

Charles S. Campbell

Comments: 4 pages, 1 figure

Subjects: Astrophysics (astro-ph)

[221] arXiv:astro-ph/0504221 [pdf, other]

Title: Photoevaporation Flows in Blister HII Regions: I. Smooth Ionization Fronts and Application to the Orion Nebula

W. J. Henney, S. J. Arthur, Ma. T. Garcia-Diaz

Comments: 21 pages, accepted for publication in The Astrophysical Journal

Journal-ref: Astrophys.J. 627 (2005) 813-833

Subjects: Astrophysics (astro-ph)

[222] arXiv:astro-ph/0504222 [pdf, other]

Title: Minimal tau approximation and simulations of the alpha effect

A. Brandenburg (NORDITA), K. Subramanian (IUCAA)

Comments: 11 pages, 12 figures, accepted by A&A

Journal-ref: Astron.Astrophys. 439 (2005) 835-843

Subjects: Astrophysics (astro-ph)

[223] arXiv:astro-ph/0504223 [pdf, other]

Title: The Mass Function of Dark Matter Haloes in a Cosmological Model with a Running Primordial Power Spectrum

Tong-Jie Zhang (1,2), Hong Liang (1), Bao-Quan Wang (3), Wen-Zhong Liu (1) ((1)Department of Astronomy, Beijing Normal University,(2)Canadian Institute for Theoretical Astrophysics (CITA),(3)Department of Physics, Dezhou University)

Comments: 10 pages, 1 figure and 2 tables, accepted for publication in the International Journal of Modern Physics D(IJMPD), minor revisions

Journal-ref: Int.J.Mod.Phys.D14:1305,2005

Subjects: Astrophysics (astro-ph)

[224] arXiv:astro-ph/0504224 [pdf, other]

Title: The dark matter content of early-type barred galaxies

E. M. Corsini (1) ((1) Dipartimento di Astronomia, Universita' di Padova, Italy)

Comments: 5 pages. Proceedings of "Baryons in Dark Matter Halos". Novigrad, Croatia, 5-9 Oct 2004. Editors: R. Dettmar, U. Klein, P. Salucci. Published by SISSA

Journal-ref: 2005, Proceedings of Science, BDMH2004, p.49.1

Subjects: Astrophysics (astro-ph)

[225] arXiv:astro-ph/0504225 [pdf, other]

Title: The size evolution of galaxies since z~3: combining SDSS, GEMS and FIRES

Ignacio Trujillo, Natascha M. Forster Schreiber, Gregory Rudnick, Marco Barden, Marijn Franx, Hans-Walter Rix, J. A. R. Caldwell, Daniel H. McIntosh, Sune Toft, Boris Haussler, Andrew Zirm, Pieter G. van Dokkum, Ivo Labbe, Alan Moorwood, Huub Rottgering, Arjen van der Wel, Paul van der Werf, Lottie van Starkenburg

Comments: Accepted for publication in ApJ. The new version includes several improvements: much accurate size estimations and a better completeness and robustness analysis. Tables of data are included. 29 pages and 14 figures (one low resolution)

Journal-ref: Astrophys.J.650:18-41,2006

Subjects: Astrophysics (astro-ph)

[226] arXiv:astro-ph/0504226 [pdf, other]

Title: The Dynamics of Brane-World Cosmological Models

A. A. Coley

Comments: Einstein Centennial Review Article: to appear in CJP

Subjects: Astrophysics (astro-ph)

[227] arXiv:astro-ph/0504227 [pdf, other]

Title: Three-dimensional MHD simulations of X-ray emitting subcluster plasmas in cluster of galaxies

Naoki Asai, Naoya Fukuda, Ryoji Matsumoto

Comments: 11 pages, 6figures, contribution to the proceedings of the COSPAR Scientific Assembly, E1.2 "Clusters of Galaxies: New Insights from XMM-Newton, Chandra and INTEGRAL", Paris (France), July 19-20, 2004, accepted for publication in Advances in Space Research; high quality file is available at this http URL

Subjects: Astrophysics (astro-ph)

[228] arXiv:astro-ph/0504228 [pdf, other]

Title: Anisotropic cosmological models with non-minimally coupled magnetic field

Alexander B. Balakin, Winfried Zimdahl

Comments: 22 pages, to appear in PRD

Journal-ref: Phys.Rev. D71 (2005) 124014

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

[229] arXiv:astro-ph/0504229 [pdf, other]

Title: Triggering and Feedback: The Relation between the HI Gas and the Starburst in the Dwarf Galaxy NGC 1569

S. Muehle, U. Klein, E.M. Wilcots, S. Huettemeister

Comments: 22 pages, 13 figures, accepted by AJ

Journal-ref: Astron.J.130:524-538,2005; Erratum-ibid.132:443,2006

Subjects: Astrophysics (astro-ph)

[230] arXiv:astro-ph/0504230 [pdf, other]

Title: Morphologies of Ultracompact HII Regions in W49A and Sgr B2: Prevalence of Shells and a Modified Classification Scheme

C. G. De Pree, D. J. Wilner, J. Deblasio, A. J. Mercer, L. E. Davis

Comments: 10 pages, 1 figure, 1 table, to appear in The Astrophysical Journal Letters

Journal-ref: Astrophys.J. 624 (2005) L101-L104

Subjects: Astrophysics (astro-ph)

[231] arXiv:astro-ph/0504231 [pdf, other]

Title: Observing Near Earth Asteroids with a Small Telescope

Ovidiu Vaduvescu

Comments: 17 pages including two figures. Published in Romanian Astronomical Journal

Journal-ref: RoAJ, 14/2 2004, 15/1 2005

Subjects: Astrophysics (astro-ph)

[232] arXiv:astro-ph/0504232 [pdf, other]

Title: Observations of the binary pulsar system PSR B1718-19 -- The Role of Tidal Circularisation

T. Janssen, M. H. van Kerkwijk

Comments: 10 pages, 6 figures, accepted for publication in Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[233] arXiv:astro-ph/0504233 [pdf, other]

Title: XMM-Newton Observations of Evolution of Cluster X-Ray Scaling Relations at z=0.4-0.7

O. Kotov (1,2), A. Vikhlinin (2,1) ((1) Space Research Institute, Moscow, (2) Harvard-Smithsonian Center for Astrophysics)

Comments: ApJ in press, updated to match the accepted version

Journal-ref: Astrophys.J. 633 (2005) 781-790

Subjects: Astrophysics (astro-ph)

[234] arXiv:astro-ph/0504234 [pdf, other]

Title: Effects of photon escape on diagnostic diagrams for HII regions

C. Giammanco, J.E. Beckman, B. Cedres

Comments: 13 pages, 15 figures. Accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[235] arXiv:astro-ph/0504235 [pdf, other]

Title: Observational evidence of the formation of cyanopolyynes in CRL618 through the polimerization of HCN

J.R. Pardo, J. Cernicharo, J.R. Goicoechea

Comments: 8 figures, accepted in ApJ main journal

Journal-ref: Astrophys.J. 628 (2005) 275-282

Subjects: Astrophysics (astro-ph)

[236] arXiv:astro-ph/0504236 [pdf, other]

Title: Automated Detection of Classical Novae with Neural Networks

S. Feeney (1), V. Belokurov (1), N.W. Evans (1), J. An (1), P.C. Hewett (1), M. Bode (2), M. Darnley (2), E. Kerins (2), P. Baillon (3), B.J. Carr (4), S. Paulin-Henriksson (5), A. Gould (6) ((1) Cambridge University, (2) Liverpool John Moores University, (3) CERN, (4) University of London, (5) College de France, Paris, (6) Ohio State University)

Comments: 28 pages, 8 figures, The Astronomical Journal (in press)

Journal-ref: Astron.J.130:84-94,2005

Subjects: Astrophysics (astro-ph)

[237] arXiv:astro-ph/0504237 [pdf, other]

Title: X-ray Bright QSO's around NGC 3079

H. Arp, E. M. Burbidge

Comments: 6 figures, submitted to ApJ

Subjects: Astrophysics (astro-ph)

[238] arXiv:astro-ph/0504238 [pdf, other]

Title: Asteroseismology of the Beta Cephei star Nu Eridani -- IV. The 2003-4 multisite photometric campaign and the combined 2002-4 data

M. Jerzykiewicz, G. Handler, R. R. Shobbrook, A. Pigulski, R. Medupe, T. Mokgwetsi, P. Tlhagwane, E. Rodriguez

Comments: 13 pages, 8 figures, MNRAS, in press

Journal-ref: Mon.Not.Roy.Astron.Soc. 360 (2005) 619-630

Subjects: Astrophysics (astro-ph)

[239] arXiv:astro-ph/0504239 [pdf, other]

Title: Estimating Dark Matter Distributions

Xiao Wang, Michael Woodroofe, Matthew G. Walker, Mario Mateo, Edward Olszewski

Comments: Accepted for publication in The Astrophysical Journal

Journal-ref: Astrophys.J. 626 (2005) 145-158

Subjects: Astrophysics (astro-ph)

[240] arXiv:astro-ph/0504240 [pdf, other]

Title: Evidence for Radio Detection of Extensive Air Showers Induced by Ultra High Energy Cosmic Rays

D. Ardouin, A. Bellétoile, D. Charrier, R. Dallier, T. Gousset, F. Haddad, J. Lamblin, P. Lautridou, O. Ravel, A. Lecacheux, L. Denis, P. Eschstruth, D. Monnier-Ragaigne

Comments: 4 pages, 4 figures

Subjects: Astrophysics (astro-ph)

[241] arXiv:astro-ph/0504241 [pdf, other]

Title: Direct search for WIMP dark matter

J. Gascon (IPNL)

Journal-ref: Dans Astroparticles and cosmology, Frontier Group (Ed.) (2004) 91-107

Subjects: Astrophysics (astro-ph)

[242] arXiv:astro-ph/0504242 [pdf, other]

Title: Constraining the mass transfer in massive binaries through progenitor evolution models of Wolf-Rayet+O binaries

Jelena Petrovic, Norbert Langer, Karel A. van der hucht

Comments: accepted A&A version of paper with better quality plots available at this http URL

Subjects: Astrophysics (astro-ph)

[243] arXiv:astro-ph/0504243 [pdf, other]

Title: Detection of satellite remnants in the Galactic Halo with Gaia - I. The effect of the Galactic background, observational errors and sampling

Anthony Brown (1), Hector Velazquez (2), Luis Aguilar (2); ((1) Leiden Observatory, (2) Instituto de Astronomia, UNAM, Ensenada)

Comments: 20 pages, 24 postscript figures, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 359 (2005) 1287-1305

Subjects: Astrophysics (astro-ph)

[244] arXiv:astro-ph/0504244 [pdf, other]

Title: An Atlas of Spectrophotometric Landolt Standard Stars

Maximilian Stritzinger (MPA), Nicholas B. Suntzeff (CTIO), Mario Hamuy (OCIW), Peter Challis (Cfa), Ricardo Demarco (Johns Hopkins University), Lisa Germany (ESO), A. M. Soderberg (Caltech)

Comments: Added referee's comments, minor corrections, replaced Table 10

Subjects: Astrophysics (astro-ph)

[245] arXiv:astro-ph/0504245 [pdf, other]

Title: On the future of Gamma-Ray Burst Cosmology

E. Mortsell, J. Sollerman

Comments: 5 pages, 2 figures, matches version accepted for publication in JCAP

Journal-ref: JCAP 0506:009,2005

Subjects: Astrophysics (astro-ph)

[246] arXiv:astro-ph/0504246 [pdf, other]

Title: Phase-space mixing and the merging of cusps

Walter Dehnen (Leicester)

Comments: 9 pages, 5 figures (Fig1 at somewhat lower resolution), accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 360 (2005) 869-891

Subjects: Astrophysics (astro-ph)

[247] arXiv:astro-ph/0504247 [pdf, other]

Title: Overview of the ISM Phases: Evolution of Large and Small Scale Structures in 3D high resolution HD and MHD simulations

Dieter Breitschwerdt, Miguel A. de Avillez

Comments: Invited Review Paper, given on the international conference on "The Magnetized Plasma in Galaxy Evolution", held at the Jagiellonian University, Cracow (Poland), 27.9.-1.10. 2004, K.T. Chyzy, R.-J. Dettmar, K. Otianowska-Mazur (eds.), 8 pages, 12 figures, 1 table

Subjects: Astrophysics (astro-ph)

[248] arXiv:astro-ph/0504248 [pdf, other]

Title: The K20 survey. VII. The spectroscopic catalogue: spectral properties and evolution of the galaxy population

M. Mignoli, A. Cimatti, G. Zamorani, L. Pozzetti, E. Daddi, A. Renzini, T. Broadhurst, S. Cristiani, S. D'Odorico, A. Fontana, E. Giallongo, R. Gilmozzi, N. Menci, P. Saracco

Comments: 16 pages, 13 figures. Accepted for publication in Astronomy & Astrophysics. For the full spectroscopic catalogue, visit the K20 web site at this http URL . More comprehensive photometric and spectroscopic catalogues are also available at this http URL

Subjects: Astrophysics (astro-ph)

[249] arXiv:astro-ph/0504249 [pdf, other]

Title: Lorentz-violation and cosmological perturbations: a toy brane-world model

M. V. Libanov, V. A. Rubakov

Comments: 5 figures, iopart, minor changes, appendix added

Journal-ref: JCAP 0509 (2005) 005

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

[250] arXiv:astro-ph/0504250 [pdf, other]

Title: Chemical Abundances in the Secondary Star of the Neutron Star Binary Centaurus X-4

Jonay I. González Hernández, Rafael Rebolo, Garik Israelian, Jorge Casares, Keiichi Maeda, Piercarlo Bonifacio, Paolo Molaro

Comments: Accepted for publication in ApJ

Journal-ref: Astrophys.J. 630 (2005) 495-505

Subjects: Astrophysics (astro-ph)