Astrophysics

Authors and titles for November 2000

[451] arXiv:astro-ph/0011451 [pdf, other]

Title: Weakly nonlinear theory of the Jeans instability in disk galaxies of stars

Evgeny Griv (1), Michael Gedalin (1), David Eichler (1), Chi Yuan (2) ((1) Department of Physics, Ben-Gurion University of the Negev, Israel, (2) Academia Sinica Institute of Astronomy and Astrophysics (ASIAA), Taiwan)

Comments: 6 pages, submitted to ApJ Letters

Subjects: Astrophysics (astro-ph)

[452] arXiv:astro-ph/0011452 [pdf, other]

Title: Determining the Geometry and the Cosmological Parameters of the Universe through SZE Cluster Counts

Zuhui Fan, Tzihong Chiueh

Comments: 23 pages, 7 figures, accepted by ApJ

Subjects: Astrophysics (astro-ph)

[453] arXiv:astro-ph/0011453 [pdf, other]

Title: The stellar content of the Hamburg/ESO survey. I. Automated selection of DA white dwarfs

N. Christlieb, L. Wisotzki, D. Reimers (Hamburger Sternwarte), D. Homeier, D. Koester (Institut fuer Theoretische Physik und Astrophysik der Universitaet Kiel), U. Heber (Dr. Remeis Sternwarte, Bamberg)

Comments: A&A in press. 15 pages, 15 figures. Includes table with coordinates and magnitudes for 46 spectroscopically confirmed DA white dwarfs and hot subdwarfs

Subjects: Astrophysics (astro-ph)

[454] arXiv:astro-ph/0011454 [pdf, other]

Title: Isotropization of Ultra-High Energy Cosmic Ray Arrival Directions by Radio Ghosts

Gustavo Medina-Tanco (Institute of Astronomy and Geophysics, University of Sao Paulo, Brasil), Torsten A. Ensslin (MPI f. Astrophysik, Garching, Germany)

Comments: Astroparticle Physics (accepted)--30 pages, 13 figures--please, contact GMT for higher quality figures

Journal-ref: Astropart.Phys.16:47-66,2001

Subjects: Astrophysics (astro-ph)

[455] arXiv:astro-ph/0011455 [pdf, other]

Title: BeppoSAX observation of Hercules A and MRC 0625-536

E. Trussoni, L. Feretti, S. Massaglia, P. Parma

Comments: 8 pages, 3 figures; to appear in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[456] arXiv:astro-ph/0011456 [pdf, other]

Title: The K-Band Galaxy Luminosity Function

C.S. Kochanek (1), M.A. Pahre (1), E.E. Falco (1), J.P. Huchra (1), J. Mader (1), T.H Jarrett (2), T. Chester (2), R. Cutri (2), S.E. Schneider (3) ((1) Harvard-Smithsonian Center for Astrophysics (2) Infrared Processing and Analysis Center (3) Department of Astronomy, University of Massachusetts)

Comments: submitted to ApJ, 25 pages, 6 figures, complete redshift survey. Table 1 included in source

Journal-ref: Astrophys.J. 560 (2001) 566-579

Subjects: Astrophysics (astro-ph)

[457] arXiv:astro-ph/0011457 [pdf, other]

Title: The X-ray evolution of clusters of galaxies to z=0.9

L.R. Jones, H. Ebeling, C. Scharf, E. Perlman, D. Horner, B.W. Fairley, S. Ellis, G. Wegner, M. Malkan

Comments: to appear in `Constructing the Universe with Clusters of Galaxies', IAP 2000 meeting, Paris, July 2000

Subjects: Astrophysics (astro-ph)

[458] arXiv:astro-ph/0011458 [pdf, other]

Title: Evidence for Inconsistencies in Galaxy Luminosity Functions Defined by Spectral Type

C.S. Kochanek, M.A. Pahre, E. E. Falco (Harvard-Smithsonian Center for Astrophysics)

Comments: submitted to ApJ (21 pages, 9 figures)

Subjects: Astrophysics (astro-ph)

[459] arXiv:astro-ph/0011459 [pdf, other]

Title: XMM-Newton observations of M87 and Its X-Ray Halo

H. Boehringer, E. Belsole, J. Kennea, K. Matsushita, S. Molendi, D. M. Worrall, R.F. Mushotzky, M. Ehle, M. Guainazzi, I. Sakelliou, G. Stewart, W.T. Vestrand, S. Dos Santos

Comments: 7 pages, 14 figures, to be published in the special issue of Astronomy and Astrophysics on first results from XMM-Newton. Astron. and Astrophys., in press

Subjects: Astrophysics (astro-ph)

[460] arXiv:astro-ph/0011460 [pdf, other]

Title: The Structure of the Cold Neutral ISM on 10-100 Astronomical Unit Scales

M. D. Faison, W. M. Goss

Subjects: Astrophysics (astro-ph)

[461] arXiv:astro-ph/0011461 [pdf, other]

Title: Searching for X-ray Galaxy Clusters in the Zone of Avoidance

H. Boehringer, P. Schuecker, S. Komossa, J. Retzlaff, T.H. Reiprich, W. Voges

Comments: 8 pages, 7 figures, to be published in the ASP Conference Series, "Mapping the Hidden Universe, R.C. Kraan-Korteweg, P.A. Henning, H. Andernach (eds.)

Subjects: Astrophysics (astro-ph)

[462] arXiv:astro-ph/0011462 [pdf, other]

Title: COBE Constraints on a Compact Toroidal Low-density Universe

Kaiki Taro Inoue

Comments: 13 pages using RevTeX, 5 eps files, typos corrected

Journal-ref: Class.Quant.Grav. 18 (2001) 1967-1977

Subjects: Astrophysics (astro-ph)

[463] arXiv:astro-ph/0011463 [pdf, other]

Title: The XMM-Newton Serendipitous Survey I. The role of XMM-Newton Survey Science Centre

M. G. Watson, et al

Comments: 9 pages, 4 figs, accepted for A&A Letters, XMM issue, version with higher resolution figs available from this http URL

Subjects: Astrophysics (astro-ph)

[464] arXiv:astro-ph/0011464 [pdf, other]

Title: OPTICON and the Virtual Observatory

Gerry Gilmore

Comments: 8pp, to appear in Mining the Sky, ESO Astrophysics Symposia Series

Subjects: Astrophysics (astro-ph)

[465] arXiv:astro-ph/0011465 [pdf, other]

Title: The Stellar IMF from Turbulent Fragmentation

Paolo Padoan, AAke Nordlund

Comments: 15 pages, 3 figures included, submitted to ApJ

Journal-ref: Astrophys.J.576:870-879,2002

Subjects: Astrophysics (astro-ph)

[466] arXiv:astro-ph/0011466 [pdf, other]

Title: Simulation of a Space-Based Microlensing Survey for Terrestrial Extra-Solar Planets

David P. Bennett, Sun Hong Rhie

Comments: Revised to consider the detection of the lens stars and the variation of the planet detection sensitivity as a function of the mission design. 35 pages with 12 color postscript figures. More info at this http URL

Subjects: Astrophysics (astro-ph)

[467] arXiv:astro-ph/0011467 [pdf, other]

Title: On the Hidden Nuclear Starburst in Arp 220

Yasuhiro Shioya, Neil Trentham, Yoshiaki Taniguchi

Comments: 4 pages, 1 figure, Accepted for publication in ApJL

Subjects: Astrophysics (astro-ph)

[468] arXiv:astro-ph/0011468 [pdf, other]

Title: Detection of anisotropy in the Cosmic Microwave Background at horizon and sub-horizon scales with the BOOMERanG experiment

P. de Bernardis, P.A.R. Ade, J.J. Bock, J.R. Bond, J. Borrill, A. Boscaleri, K. Coble, B.P. Crill, G. De Gasperis, G. De Troia, P.C. Farese, P.G. Ferreira, K. Ganga, M. Giacometti, E. Hivon, V.V. Hristov, A. Iacoangeli, A.H. Jaffe, A.E. Lange, L. Martinis, S. Masi, P. Mason, P.D. Mauskopf, A. Melchiorri, L. Miglio, T. Montroy, C.B. Netterfield, E. Pascale, F. Piacentini, D. Pogosyan, F. Pongetti, S. Prunet, S. Rao, G. Romeo, J.E. Ruhl, F. Scaramuzzi, D. Sforna, N. Vittorio

Journal-ref: Proc. of the IAU symposium 201: New Cosmological Data and the Values of the Fundamental Parameters, Manchester, 7-11 Aug. 2000

Subjects: Astrophysics (astro-ph)

[469] arXiv:astro-ph/0011469 [pdf, other]

Title: First results from the BOOMERanG experiment

P. de Bernardis, P.A.R. Ade, J.J. Bock, J.R. Bond, J. Borrill, A. Boscaleri, K. Coble, B.P. Crill, G. De Gasperis, G. De Troia, P.C. Farese, P.G. Ferreira, K. Ganga, M. Giacometti, E. Hivon, V.V. Hristov, A. Iacoangeli, A.H. Jaffe, A.E. Lange, L. Martinis, S. Masi, P. Mason, P.D. Mauskopf, A. Melchiorri, L. Miglio, T. Montroy, C.B. Netterfield, E. Pascale, F. Piacentini, D. Pogosyan, F. Pongetti, S. Prunet, S. Rao, G. Romeo, J.E. Ruhl, F. Scaramuzzi, D. Sforna, N. Vittorio

Comments: Proc. of the CAPP2000 conference, Verbier, 17-28 July 2000

Subjects: Astrophysics (astro-ph)

[470] arXiv:astro-ph/0011470 [pdf, other]

Title: Molecular hydrogen abundance in the dust-free damped Ly-alpha galaxy at z = 3.4

S. A. Levshakov (1), P. Molaro (2), M. Centurion (2), S. D'Odorico (3), P. Bonifacio (2), G. Vladilo (2) ((1)Ioffe Institute, <a href="http://St.Petersburg" rel="external noopener nofollow" class="link-external link-http">this http URL</a>, Russia; (2)Osservatorio Astronomico di Trieste, Italy; (3)ESO, Garching, Germany)

Comments: 4 pages, 1 eps figure, to appear in Proceed. ESO/ST-ECF/STScI Workshop on Deep Fields, held in Garching, 9-12 October 2000

Subjects: Astrophysics (astro-ph)

[471] arXiv:astro-ph/0011471 [pdf, other]

Title: Foregrounds in the BOOMERANG-LDB data: a preliminary rms analysis

S. Masi, P.A.R. Ade, J. Bock, A. Boscaleri, B.P. Crill, P. de Bernardis, K. Ganga, M. Giacometti, E. Hivon, V.V. Hristov, A.E. Lange, L. Martinis, P.D. Mauskopf, T. Montroy, C.B. Netterfield, E. Pascale, F. Piacentini, S. Prunet, G. Romeo, J.E. Ruhl, F. Scaramuzzi

Journal-ref: Proc. of Rencontres de Moriond - Energy densities in the Universe, Jan. 2000

Subjects: Astrophysics (astro-ph)

[472] arXiv:astro-ph/0011472 [pdf, other]

Title: Star Formation History and Stellar Metallicity Distribution in a Cold Dark Matter Universe

Kentaro Nagamine (Princeton), Masataka Fukugita (ICRR &amp; IAS), Renyue Cen (Princeton), Jeremiah P. Ostriker (Princeton)

Comments: 8 pages, 5 figures, emulateapj style. Accepted version in ApJ. More emphasis on the comparison with observations

Subjects: Astrophysics (astro-ph)

[473] arXiv:astro-ph/0011473 [pdf, other]

Title: The Metallicity Evolution of Damped Lyman-alpha Systems

Sandra Savaglio

Comments: 15 pages, 9 figures, this http URL. Invited talk at the IAU Symposium 204 "The Extragalactic Infrared Background and its Cosmological Implications", Manchester, August 2000, eds. M. Harwit & M.G. Hauser

Subjects: Astrophysics (astro-ph)

[474] arXiv:astro-ph/0011474 [pdf, other]

Title: PSCz vs. 1.2 Jy velocity fields: a Spherical Harmonics Comparison

L. Teodoro

Comments: 6 pages, 3 figures, uses World Scientific style. To appear in the proceedings of X ENAA, 27-28 Jul. 2000, Lisbon, Portugal

Subjects: Astrophysics (astro-ph)

[475] arXiv:astro-ph/0011475 [pdf, other]

Title: Probing Galaxy Formation with High Energy Gamma-Rays

Joel R. Primack (1), Rachel S. Somerville (2), James S. Bullock (3), Julien E. G. Devriendt (4) ((1) UCSC, (2) IoA Cambridge, (3) Ohio State, (4) NAL Oxford)

Comments: 16 pages, 7 figures, to appear in Proceedings of the International Symposium on Gamma-Ray Astronomy, Heidelberg, June 2000, eds F. Aharonian and H. Völk, AIP Conf. Proc

Journal-ref: AIP Conf.Proc.558:463-478,2001

Subjects: Astrophysics (astro-ph)

[476] arXiv:astro-ph/0011477 [pdf, other]

Title: CMBR in G\"{o}del Universe:A possible test to Einstein-Cartan gravity?

L.C.Garcia de Andrade

Comments: Latex file

Subjects: Astrophysics (astro-ph)

[477] arXiv:astro-ph/0011478 [pdf, other]

Title: Supernova 1991T and the Value of the Hubble Constant

Brad K. Gibson (Swinburne), Peter B. Stetson (DAO)

Comments: 12 pages, 1 figure, LaTeX (this http URL), also available at this http URL, accepted for publication in The Astrophysical Journal, Letters

Subjects: Astrophysics (astro-ph)

[478] arXiv:astro-ph/0011479 [pdf, other]

Title: SCUBA deep fields and source confusion

Andrew W. Blain (Cambridge)

Comments: 6 pages. 1 4-panel figure. 1 two-panel figures. To be published in proceedings of Deep Fields meeting (Garching October 2000)

Journal-ref: `Deep Fields' S. Cristiani, A. Renzini, R.E. Williams eds. ESO Symposia Series (2001; Springer: Berlin) pp. 129-134

Subjects: Astrophysics (astro-ph)

[479] arXiv:astro-ph/0011480 [pdf, other]

Title: An Apparent Gap in Stellar Mass Distributions around 0.7 Solar Masses and a Possible Explanation

Robert L. Oldershaw

Comments: 18 pages with 4 figures

Journal-ref: Astrophys.Space Sci. 278 (2001) 425-432

Subjects: Astrophysics (astro-ph)

[480] arXiv:astro-ph/0011481 [pdf, other]

Title: Stellar Kinematics of the Spiral Structure in the Solar Neighborhood

Taihei Yano, Masashi Chiba, Naoteru Gouda (NAOJ)

Comments: 14 pages including 4 eps figures, Submitted to the Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[481] arXiv:astro-ph/0011482 [pdf, other]

Title: Enhanced black hole formation by multiple winding cosmic strings

Nagasawa Michiyasu

Comments: 15 pages (REVTeX)

Subjects: Astrophysics (astro-ph)

[482] arXiv:astro-ph/0011483 [pdf, other]

Title: Reanalysis of the high energy cutoff of the 1997 Mkn 501 TeV energy spectrum

HEGRA Collaboration, F. Aharonian, et al

Comments: 6 Pages, 4 figures; A&A, in press

Subjects: Astrophysics (astro-ph)

[483] arXiv:astro-ph/0011484 [pdf, other]

Title: A Local Void and the Accelerating Universe

Kenji Tomita (Yukawa Institute for Theoretical Physics, Kyoto University)

Comments: 6 pages with 4 figures. Mon. Not. RAS (accepted)

Journal-ref: Mon.Not.Roy.Astron.Soc.326:287,2001

Subjects: Astrophysics (astro-ph)

[484] arXiv:astro-ph/0011485 [pdf, other]

Title: Evidence for compact structuring in the corona of active stars

F. Favata

Comments: To appear in Proc. of "X-ray astronomy 2000",(Palermo Sep. 2000), Eds. R. Giacconi, L. Stella, S. Serio, ASP Conf. Series, in press

Subjects: Astrophysics (astro-ph)

[485] arXiv:astro-ph/0011486 [pdf, other]

Title: Effects of the X-ray emission from young stars on the ionization level of a fractal star forming cloud

Andrea Lorenzani (1), Francesco Palla (1) ((1) Osservatorio Astrofisico di Arcetri, Firenze, Italy)

Comments: To be published in "Stellar Clusters and Associations", eds. T. Montmerle and P. Andre' (ASP Conf. Ser.), 6 pages, 5 figures, uses this http URL

Subjects: Astrophysics (astro-ph)

[486] arXiv:astro-ph/0011487 [pdf, other]

Title: Detection of X-ray line emission from the shell of SNR B0540-69.3 with XMM-Newton RGS

K.J. van der Heyden, F. Paerels, J. Cottam, J. S. Kaastra, G. Branduardi-Raymont

Comments: 5 pages, 5 figures, accepted for publication in Astronomy and Astrophysics, letters (XMM issue)

Subjects: Astrophysics (astro-ph)

[487] arXiv:astro-ph/0011488 [pdf, other]

Title: Electrodynamic Structure of an Outer-Gap Accelerator: Gamma-Ray Emission from the Crab Pulsar

Kouichi Hirotani, Shinpei Shibata

Comments: 7 pages, 3 figures

Subjects: Astrophysics (astro-ph)

[488] arXiv:astro-ph/0011489 [pdf, other]

Title: Emission line oscillations in the dwarf nova V2051 Ophiuchi

D.Steeghs (Southampton), K.O'Brien, K.Horne (<a href="http://St.Andrews" rel="external noopener nofollow" class="link-external link-http">this http URL</a>), R.Gomer (Rice Uni), J.B.Oke (Caltech/DAO)

Comments: 14 pages, 11 figures, accepted for publication in Monthly Notices of the Royal Astronomical Society. Paper with high resolution images available at this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc. 323 (2001) 484

Subjects: Astrophysics (astro-ph)

[489] arXiv:astro-ph/0011490 [pdf, other]

Title: Modelling Horizontal Air Showers Induced by Cosmic Rays

M. Ave, R.A. Vazquez, E. Zas

Comments: 36 pages, 19 figures

Journal-ref: Astropart.Phys. 14 (2000) 91

Subjects: Astrophysics (astro-ph)

[490] arXiv:astro-ph/0011491 [pdf, other]

Title: Metallicity estimates for A-, F-, and G-type stars from the Edinburgh-Cape blue object survey

T.C. Beers (Michigan State University), S. Rossi (IAG, Sao Paulo, Brazil), D. O'Donoghue, D. Kilkenny, R.S. Stobie, C. Koen (SAAO, South Africa), R. Wilhelm (Southwestern University)

Comments: Includes 10 figures, 6 tables, to be published in the Monthly Notices of the Royal Astronomical Society

Journal-ref: Mon.Not.Roy.Astron.Soc. 320 (2001) 451

Subjects: Astrophysics (astro-ph)

[491] arXiv:astro-ph/0011492 [pdf, other]

Title: Very Low Mass Stars and Brown Dwarfs of the Young Open Cluster IC2391

D. Barrado y Navascués (1,2), John R. Stauffer (3,4), César Briceño (5), Brian Patten (3), Nigel C. Hambly (6), Joseph D. Adams (7). ((1), Max-Planck-Institut für Astronomie. (2) Universidad Autonoma de Madrid, (3) Harvard--Smithsonian Center for Astrophysics, (4) IPAC, (5) Centro de Investigaciones de Astronomía, (6) Institute for Astronomy, University of Edinburgh. (7) University of Massachusetts)

Comments: Accepted ApJ

Subjects: Astrophysics (astro-ph)

[492] arXiv:astro-ph/0011493 [pdf, other]

Title: Stellar mass-to-light ratios and the Tully-Fisher relation

Eric F. Bell, Roelof S. de Jong (Steward Observatory)

Comments: 17 pages; 10 embedded postscript figures; to appear in the Astrophysical Journal on March 20 2001

Journal-ref: Astrophys.J.550:212-229,2001

Subjects: Astrophysics (astro-ph)

[493] arXiv:astro-ph/0011494 [pdf, other]

Title: A Review of Disk-Corona Oscillations

J. H. Swank (Goddard Space Flight Center)

Comments: 8 pages, Latex, to be published in `Proceedings of the Third Microquasar Workshop: Granada Workshop on galactic relativistic jet sources', Eds A. J. Castro-Tirado, J. Greiner d and J. M. Paredes, Astrophysics and Space Science, in press

Journal-ref: Astrophys.Space Sci. 276 (2001) 201-208

Subjects: Astrophysics (astro-ph)

[494] arXiv:astro-ph/0011495 [pdf, other]

Title: The mass of a halo

Martin White

Comments: 6 pages,to appear in A&A

Journal-ref: Astron.Astrophys.367:27,2001

Subjects: Astrophysics (astro-ph)

[495] arXiv:astro-ph/0011496 [pdf, other]

Title: Cosmological thermal decoupling and primordial molecules

Denis Puy (Institute of Theoretical Physics Univ. Zurich and PSI, Switzerland)

Comments: 7 pages, 2 figures, Talk given at the JENAM, May 29th-June 3rd 2000, Moscow (Russia)

Subjects: Astrophysics (astro-ph)

[496] arXiv:astro-ph/0011497 [pdf, other]

Title: Database of Geneva stellar evolution tracks and isochrones for UBVRIJHKLL'M, HST-WFPC2, Geneva and Washington photometric systems

Thibault Lejeune (Observatorio Astronomico, Coimbra; Astronomisches Institut, Basel), Daniel Schaerer (OMP, Toulouse)

Comments: Accepted for publication in A&A. LaTeX, 10 pages including 2 figures. Full database available at this http URL

Journal-ref: Astron.Astrophys. 366 (2001) 538-546

Subjects: Astrophysics (astro-ph)

[497] arXiv:astro-ph/0011498 [pdf, other]

Title: The European Photon Imaging Camera on XMM-Newton: The MOS Cameras

M. J. L. Turner, A. Abbey, M. Arnaud, et al

Comments: 9 pages, 11 figures, accepted for publication in the A&A Special Issue on XMM-Newton

Journal-ref: Astron.Astrophys.365:l27-35,2001

Subjects: Astrophysics (astro-ph)

[498] arXiv:astro-ph/0011499 [pdf, other]

Title: Clustering of Very Red Galaxies in the Las Campanas IR Survey

Patrick McCarthy (1), Ray Carlberg (2), Ron Marzke (1,3), Hsiao-Wen Chen (1), Andrew Firth (4), Richard McMahon (4), Jennifer Wilson (1), Eric Persson (1), Richard Ellis (4,5), Roberto Abraham (2,4), Ofer Lahav (4), Augustus Oemler (1), Chris Sabbey (4), Rachael Sommerville (4) ((1) OCIW, (2) U. Toronto, (3) S. F. State, (4) IoA, (5) Caltech)

Comments: 5 pages, 2 figures, 1 table. To appear in proceedings of the ESO/ECF/STScI workshop "Deep Fields" held in Garching, Germany, 9-12 October 2000

Subjects: Astrophysics (astro-ph)

[499] arXiv:astro-ph/0011500 [pdf, other]

Title: Adaptive binning of X-ray galaxy cluster images

J.S. Sanders, A.C. Fabian (IoA, Cambridge)

Comments: 8 pages, 12 figures, accepted by MNRAS (includes changes suggested by referee), high resolution version at this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc.325:178,2001

Subjects: Astrophysics (astro-ph)

[500] arXiv:astro-ph/0011501 [pdf, other]

Title: Global MHD Simulations of Cylindrical Keplerian Disks

John F. Hawley (U. Virginia)

Comments: Submitted to the Astrophysical Journal Web version of paper and MPEG animations can be found at this http URL

Subjects: Astrophysics (astro-ph)