Astrophysics

Authors and titles for September 2004

[601] arXiv:astro-ph/0409601 [pdf, other]

Title: The stellar IMF of Galactic clusters and its evolution

Guido De Marchi (ESA), Francesco Paresce (ESO), Simon Portegies Zwart (UvA)

Comments: 6 pages, 2 figures, to appear in IMF@50, ed. by E. Corbelli, F. Palla, H. Zinnecker (Dordrecht: Kluwer)

Subjects: Astrophysics (astro-ph)

[602] arXiv:astro-ph/0409602 [pdf, other]

Title: Neutron Stars With A Quark Core. I. Equations Of State

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

Comments: 7 pages, 3 figures, 28 references

Journal-ref: Astrophysics 46:361-367,2003; Astrofiz.46:445-453,2003

Subjects: Astrophysics (astro-ph)

[603] arXiv:astro-ph/0409603 [pdf, other]

Title: GOODS Discovery of a Significant Population of Obscured AGN

C. M. Urry, E. Treister

Comments: To be published in Growing Black Holes, Proc. Garching Conference, June 2004, ed. A. Merloni, A. Nayakshin, R. Sunyaev (Springer-Verlag). 10 pp., 4 fig

Subjects: Astrophysics (astro-ph)

[604] arXiv:astro-ph/0409604 [pdf, other]

Title: Fading of the Transient Anomalous X-ray Pulsar XTE J1810-197

J.P. Halpern, E.V. Gotthelf

Comments: 10 pages, 5 figures, accepted by Ap.J

Journal-ref: Astrophys.J. 618 (2005) 874-882

Subjects: Astrophysics (astro-ph)

[605] arXiv:astro-ph/0409605 [pdf, other]

Title: Globular Clusters with Dark Matter Halos. I. Initial Relaxation

Sergey Mashchenko, Alison Sills

Comments: 14 pages, 9 figures. Astrophysical Journal, in press

Journal-ref: Astrophys.J. 619 (2005) 243

Subjects: Astrophysics (astro-ph)

[606] arXiv:astro-ph/0409606 [pdf, other]

Title: Globular Clusters with Dark Matter Halos. II. Evolution in Tidal Field

Sergey Mashchenko, Alison Sills

Comments: 12 pages, 9 figures. Astrophysical Journal, in press

Journal-ref: Astrophys.J. 619 (2005) 258

Subjects: Astrophysics (astro-ph)

[607] arXiv:astro-ph/0409607 [pdf, other]

Title: Effects of chemical composition and thermohaline mixing on the accreting components for low--mass close binaries: application to blue stragglers

X. Chen, Z. Han

Comments: 14 pages, 14 figures

Subjects: Astrophysics (astro-ph)

[608] arXiv:astro-ph/0409608 [pdf, other]

Title: The Low X-Ray State of LS 5039 / RX J1826.2-1450

A. Martocchia (1), C. Motch (1), I. Negueruela (2) ((1) CNRS / Observatoire Astronomique de Strasbourg, France (2) Departamento de Fisica, Ingenieria de Sistemas y Teoria de la Senal, Escuela Politecnica Superior, University of Alicante, Spain)

Comments: 9 pages, 4 figures. Accepted for publication on Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[609] arXiv:astro-ph/0409609 [pdf, other]

Title: Indirect imaging of nonradial pulsations in a rapidly oscillating Ap star

O. Kochukhov

Comments: accepted by ApJ Letters

Journal-ref: Astrophys.J. 615 (2004) L149-L152

Subjects: Astrophysics (astro-ph)

[610] arXiv:astro-ph/0409610 [pdf, other]

Title: Novel Geometrical Models of Relativistic Stars III. The Point Particle Idealization

P. P. Fiziev

Comments: 7 pages, latex file, no figures

Subjects: Astrophysics (astro-ph)

[611] arXiv:astro-ph/0409611 [pdf, other]

Title: Microarcsecond Astrometry using the SKA

E. Fomalont, M. Reid

Comments: 10 pages, 4 figures

Journal-ref: New Astron.Rev. 48 (2004) 1473-1482

Subjects: Astrophysics (astro-ph)

[612] arXiv:astro-ph/0409612 [pdf, other]

Title: Effects of the core radius of an isothermal ellipsoidal gravitational lens on the caustics and the critical curves

Hideki Asada

Comments: 4 pages; accepted for publication in A&A

Journal-ref: Astron.Astrophys. 427 (2004) 393

Subjects: Astrophysics (astro-ph)

[613] arXiv:astro-ph/0409613 [pdf, other]

Title: Inversion formula for determining parameters of an astrometric binary

Hideki Asada, Toshio Akasaka, Masumi Kasai

Comments: 8 pages; accepted for publication in PASJ

Journal-ref: Publ.Astron.Soc.Jap. 56 (2004) L35-L38

Subjects: Astrophysics (astro-ph)

[614] arXiv:astro-ph/0409614 [pdf, other]

Title: VLBI detections of a source weaker than 100 mJy at 86 GHz

E. Middelberg (1,2), A. L. Roy (1,3), R. C. Walker (4), H. Falcke (5) ((1) Max-Planck-Institut fuer Radioastronomie, (2) Australia Telescope National Facility, (3) Geodaetisches Institut der Universitaet Bonn, (4) National Radio Astronomy Observatory, (5) ASTRON)

Comments: 4 pages, 5 figures, to appear in the Proceedings of the 7th EVN Symposium held in Toledo, Spain in October 2004, needs this http URL

Subjects: Astrophysics (astro-ph)

[615] arXiv:astro-ph/0409615 [pdf, other]

Title: Origin of the Blueshift in Signals from Pioneer 10 and 11

Kris Krogh

Comments: 12 pages, LaTeX2e, no figures; minor text revisions, added appendix on a new perturbation of planetary orbits

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

[616] arXiv:astro-ph/0409616 [pdf, other]

Title: A 2D analysis of percolation and filamentarity in the SDSS DR1

Biswajit Pandey, Somnath Bharadwaj (IIT Kharagpur, India)

Comments: 12 pages, 8 figures, New references added, Accepted to MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc.357:1068-1076,2005

Subjects: Astrophysics (astro-ph)

[617] arXiv:astro-ph/0409617 [pdf, other]

Title: Quiescent X-ray emission from an evolved brown dwarf ?

B. Stelzer

Comments: to appear in ApJL

Journal-ref: Astrophys.J. 615 (2004) L153-L156

Subjects: Astrophysics (astro-ph)

[618] arXiv:astro-ph/0409618 [pdf, other]

Title: Comparing the temperatures of galaxy clusters from hydro-N-body simulations to Chandra and XMM-Newton observations

P. Mazzotta (1,2), E. Rasia (3), L. Moscardini (4), G. Tormen (3) ((1) Dip. di Fisica, Universita' di Roma "Tor Vergata" Italy, (2) Harvard-Smithsonian Center for Astrophysics, USA, (3) Dip. di Astronomia, Universita' di Padova, Italy, (4) Dip. di Astronomia, Universita' di Bologna, Italy)

Comments: 4 pages, 7 color figures, to appear in the proceedings of the XXXIXth Rencontres de Moriond "Exploring the Universe", La Thuile, Italy, March 28-April 4, 2004

Subjects: Astrophysics (astro-ph)

[619] arXiv:astro-ph/0409619 [pdf, other]

Title: Collective behavior in nuclear interactions and shower development

V. Canoa, N. Armesto, C. Pajares, R. A. Vazquez

Comments: 17 pages, 10 figures

Journal-ref: Astropart.Phys. 23 (2005) 435-443

Subjects: Astrophysics (astro-ph)

[620] arXiv:astro-ph/0409620 [pdf, other]

Title: A concise review of the Iranian calendar

M. Heydari-Malayeri (1) ((1) LERMA, Paris Observatory, France)

Comments: 24 pages, 2 figures, 4 tables, 22 references, 16 explanatory notes. HTML versions in English and French at this http URL

Subjects: Astrophysics (astro-ph)

[621] arXiv:astro-ph/0409621 [pdf, other]

Title: The Baryonic Tully-Fisher relation revisited

D. Pfenniger, Y. Revaz

Comments: 7 pages. Accepted for publication on A&A Main Journal. Paper with full resolution images is available at : this http URL

Subjects: Astrophysics (astro-ph)

[622] arXiv:astro-ph/0409622 [pdf, other]

Title: The orientation parameters and rotation curves of 15 spiral galaxies

A.M. Fridman (1,2), V.L.Afanasiev (3), S.N. Dodonov (3), O.V. Khoruzhii (1,4), A.V.Moiseev (3,5), O.K. Sil'chenko (2,6), A.V.Zasov (2) ((1) Institute of Astronomy of the Russian Academy of Science, (2) Sternberg Astronomical Institute, (3) Special Astrophysical Observatory, (4) Troitsk Institute for Innovation and Thermonuclear Researches, (5) UK Astronomy Data Centre, (6) Isaac Newton Institute of Chile)

Comments: Accepted in A&A, fig. 2-19 are low-resolution JPGs, for high-resolution PS see this http URL

Subjects: Astrophysics (astro-ph)

[623] arXiv:astro-ph/0409623 [pdf, other]

Title: Extragalactic science at very high spectral resolution

Eric Emsellem

Comments: 8 pages, 5 figures, to be published in "High Resolution Infrared Spectroscopy in Astronomy", an ESO Workshop, Eds. Hans Ulrich Kaufl, Ralf Siebenmorgen and Alan Moorwood

Subjects: Astrophysics (astro-ph)

[624] arXiv:astro-ph/0409624 [pdf, other]

Title: The Bologna Complete Sample of Nearby Radio Sources

G. Giovannini, G.B. Taylor, L. Feretti, W.D. Cotton, L. Lara, T. Venturi

Comments: 29 pages, 21 figures - ApJ in press (10 Jan 2005 issue)

Journal-ref: Astrophys.J. 618 (2005) 635-648

Subjects: Astrophysics (astro-ph)

[625] arXiv:astro-ph/0409625 [pdf, other]

Title: Bar-driven fueling of galactic nuclei: a 2D view

Eric Emsellem

Comments: 5 pages, 3 figures, to be published in "Penetrating Bars through Masks of Cosmic Dust - The Hubble Tuning Fork strikes a New Note", Ed. D.. Block, I. Puerari, K.C. Freeman, R. Groess, E.K. Block, Kluwer Pub., ApSS Library, 319

Subjects: Astrophysics (astro-ph)

[626] arXiv:astro-ph/0409626 [pdf, other]

Title: A puzzling event during the X-ray emission of the binary system GX 1+4

Nanda Rea (INAF-OAR; SRON), Luigi Stella (INAF-OAR), Gian Luca Israel (INAF-OAR), Giorgio Matt (Univ. Rome3), Silvia Zane (MSSL), Alberto Segreto (CNR, PA), Tim Oosterbroek (ESTEC)

Comments: accepted for publication in Advances in Space Research

Subjects: Astrophysics (astro-ph)

[627] arXiv:astro-ph/0409627 [pdf, other]

Title: XMM-Newton observation of the most X-ray-luminous galaxy cluster RX J1347.5-1145

Myriam Gitti, Sabine Schindler (Institute for Astrophysics, University of Innsbruck)

Comments: 4 pages, 6 figures, accepted for publication in Astronomy & Astrophysics Letters

Journal-ref: Astron.Astrophys. 427 (2004) L9

Subjects: Astrophysics (astro-ph)

[628] arXiv:astro-ph/0409628 [pdf, other]

Title: The cosmological significance of Low Surface Brightness galaxies found in a deep blind neutral-hydrogen survey

R. F. Minchin, M. J. Disney, Q. A. Parker, P. J. Boyce, W. J. G. de Blok, G. D. Banks, R. D. Ekers, K. C. Freeman, D. A. Garcia, B. K. Gibson, M. Grossi, R. F. Haynes, P. M. Knezek, R. H. Lang, D. F. Malin, R. M. Price, M. Putman, I. M. Stewart, A. E. Wright

Comments: 13 pages, 14 figures. Accepted for publication in MNRAS

Subjects: Astrophysics (astro-ph)

[629] arXiv:astro-ph/0409629 [pdf, other]

Title: Structure formation, CMB and LSS in a mirror dark matter scenario

P. Ciarcelluti

Comments: 8 pages, 1 figure; proceeding of the conference 'Frontier Science 2004' (Frascati, Italy, 14-19 June 2004)

Journal-ref: Frascati Phys.Ser.555:1,2004

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

[630] arXiv:astro-ph/0409630 [pdf, other]

Title: Cosmology with mirror dark matter I: linear evolution of perturbations

P. Ciarcelluti

Comments: 33 pages, 24 figures; minor corrections in introduction, conclusions and references; accepted for publication in IJMPD

Journal-ref: Int.J.Mod.Phys.D14:187-222,2005

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

[631] arXiv:astro-ph/0409631 [pdf, other]

Title: Super-strong interacting gravitons as a main engine of the universe without expansion or dark energy

Michael A. Ivanov

Comments: 5 pages, 3 figures, LaTeX. Final version of a Contribution to The sixth international symposium "Frontiers of Fundamental and Computational Physics" (FFP6), 26-29 September 2004, Udine, Italy

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

[632] arXiv:astro-ph/0409632 [pdf, other]

Title: A multiwavelength study of the galaxy content and environmental effects in the dense group of galaxies around IC 65

J. Vennik (1), U. Hopp (2) ((1) Tartu Observatory, (2) Universitaetssternwarte Muenchen)

Comments: 12 pages, 7 figures; poster contribution to the conference "The Environments of Galaxies: from Kiloparsecs to Megaparsecs", 9-13 August 2004, Isle of Crete

Subjects: Astrophysics (astro-ph)

[633] arXiv:astro-ph/0409633 [pdf, other]

Title: Cosmology with mirror dark matter II: Cosmic Microwave Background and Large Scale Structure

P. Ciarcelluti

Comments: 36 pages, 19 figures; minor corrections in introduction, conclusions and references; accepted for publication in IJMPD

Journal-ref: Int.J.Mod.Phys.D14:223-256,2005

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

[634] arXiv:astro-ph/0409634 [pdf, other]

Title: Simultaneous Doppler maps of IP Peg in outburst

C. Papadaki (1 and 2), H.M.J. Boffin (3), D. Steeghs (4) ((1) Royal Observatory of Belgium, Brussels (2) Vrije Universiteit Brussel (OBSS/WE), Brussels, Belgium (3) European Southern Observatory, Garching bei Munchen, Germany (4) Harvard-Smithsonian Center for Astrophysics, Cambridge, USA)

Comments: 2 pages, 2 figures (New version: updated format of figures), to appear in the Proceedings of 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)

[635] arXiv:astro-ph/0409635 [pdf, other]

Title: An extended frame for cosmology by integrable Weyl geometry

Erhard Scholz

Comments: 51 pages, 4 figures

Subjects: Astrophysics (astro-ph)

[636] arXiv:astro-ph/0409636 [pdf, other]

Title: The Peculiar 2004 Superoutburst in the Helium Dwarf Nova, 2003aw

D. Nogami, B. Monard, A. Retter, A. Liu, M. Uemura, R. Ishioka, A. Imada, T. Kato

Comments: 5 pages, 4 figures, PASJ Letter in press

Subjects: Astrophysics (astro-ph)

[637] arXiv:astro-ph/0409637 [pdf, other]

Title: Observing Gravitational Radiation with QSO Proper Motions and the SKA

Andrew H. Jaffe

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

Journal-ref: New Astron.Rev. 48 (2004) 1483-1485

Subjects: Astrophysics (astro-ph)

[638] arXiv:astro-ph/0409638 [pdf, other]

Title: What can XMM-Newton tell us about the spin periods of Intermediate Polars?

P.A. Evans, Coel Hellier (Keele University, UK)

Comments: 6 pages, 6 figures. To appear in "The astrophysics of cataclysmic variables and related objects", ASP Conf. Ser. eds J.M. Hameury & J.P. Lasota

Subjects: Astrophysics (astro-ph)

[639] arXiv:astro-ph/0409639 [pdf, other]

Title: The Cosmological Context of Extraplanar Gas

James Binney (Oxford University)

Comments: 8 pages to appear in "Extraplanar Gas", ed. R. Braun, ASP Conf. Procs

Subjects: Astrophysics (astro-ph)

[640] arXiv:astro-ph/0409640 [pdf, other]

Title: The spin temperature of neutral hydrogen during cosmic pre-reionization

Adi Nusser

Comments: version to appear in the MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 359 (2005) 183-190

Subjects: Astrophysics (astro-ph)

[641] arXiv:astro-ph/0409641 [pdf, other]

Title: LOPES Detecting Radio Emission from Cosmic Ray Air Showers

LOPES Collaboration: A.Horneffer, et al

Comments: To appear in the SPIE 2004 proceedings (5500: Gravitational Wave and Particle Astrophysics Detectors)

Subjects: Astrophysics (astro-ph)

[642] arXiv:astro-ph/0409642 [pdf, other]

Title: s-process branching at 185W revised

P. Mohr, T. Shizuma, H. Ueda, S. Goko, A. Makinaga, K.Y. Hara, T. Hayakawa, Y.-W. Lui, H. Ohgaki, H. Utsunomiya

Comments: 10 pages, 3 figures

Journal-ref: Phys.Rev. C69 (2004) 032801

Subjects: Astrophysics (astro-ph); Nuclear Experiment (nucl-ex)

[643] arXiv:astro-ph/0409643 [pdf, other]

Title: The recognition of blazars and the blazar spectral sequence

S. Anton, I.W.A. Browne

Comments: Accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 356 (2005) 225-231

Subjects: Astrophysics (astro-ph)

[644] arXiv:astro-ph/0409644 [pdf, other]

Title: Diamonds in HD 97048

E. Habart, L. Testi, A. Natta, M. Carbillet

Comments: ApJLetter, in press

Journal-ref: Astrophys.J. 614 (2004) L129-L132

Subjects: Astrophysics (astro-ph)

[645] arXiv:astro-ph/0409645 [pdf, other]

Title: Bunching instability of rotating relativistic electron layers and coherent synchrotron radiation

Bjoern S. Schmekel, Richard V.E. Lovelace, Ira M. Wasserman

Comments: 15 pages, 9 figures, LaTeX; presented at the April Meeting in Denver, Colorado 2004; numerous typos corrected, one approximation removed, one new proof added, accepted for publication in Phys. Rev. E

Journal-ref: Phys.Rev. E71 (2005) 046502

Subjects: Astrophysics (astro-ph); Accelerator Physics (physics.acc-ph); Plasma Physics (physics.plasm-ph)

[646] arXiv:astro-ph/0409646 [pdf, other]

Title: Draco 119: A Remarkable Heavy Element-deficient Giant

Jon. P. Fulbright (OCIW), R. Michael Rich (UCLA), Sandra Castro (IPAC)

Comments: Published in the September 1, 2004 edition of ApJ

Journal-ref: Astrophys.J. 612 (2004) 447-453

Subjects: Astrophysics (astro-ph)

[647] arXiv:astro-ph/0409647 [pdf, other]

Title: Time-resolved observations of the short period CV SDSS J123813.73-033933

S.V. Zharikov (1), G. H. Tovmassian (1), V. Neustroev (2), R. Michel (1), R. Napiwotzki (3) ((1) OAN IA UNAM, Mexico, (2) National University of Ireland, (3) University of Leicester England)

Comments: 2 pages, 2 figures, needs this http URL, to appear in: The astrophysics of cataclysmic variables and related objects, ASP Conf. Ser., eds. J.M. Hameury and J.P. Lasota

Subjects: Astrophysics (astro-ph)

[648] arXiv:astro-ph/0409648 [pdf, other]

Title: The Spreading Layer and Dwarf Nova Oscillations

Anthony L. Piro (UCSB), Lars Bildsten (KITP, UCSB)

Comments: 10 pages, 4 figures. To appear in `The Astrophysics of Cataclysmic Variables and Related Objects', eds. J.M. Hameury and J.P. Lasota (ASP this http URL.); numerous typos fixed

Subjects: Astrophysics (astro-ph)

[649] arXiv:astro-ph/0409649 [pdf, other]

Title: Decaying Higgs Fields and Cosmological Dark Energy

Robert J. Nemiroff, Bijunath Patla

Comments: 8 pages, 3 figures

Subjects: Astrophysics (astro-ph)

[650] arXiv:astro-ph/0409650 [pdf, other]

Title: Mismatch between X-ray and emission-weighted temperatures in galaxy clusters: cosmological implications

E. Rasia (1), P. Mazzotta (2,3), S. Borgani (4,5), L. Moscardini (6), K. Dolag (1,6), G. Tormen (1), A. Diaferio (7), G. Murante (8), ((1) Universita' di Padova, (2) Universita' di Roma Tor Vergata, (3) SAO, (4) Universita' di Trieste, (5) INFN, (6) Universita' di Bologna, (7) Universita' di Torino, (8) Osservatorio Astronomico di Pino Torinese)

Comments: Submitted for publication in APJL; 4 pages, 3 color figures

Journal-ref: Astrophys.J. 618 (2004) L1-L4

Subjects: Astrophysics (astro-ph)