Astrophysics

Authors and titles for September 2000

[301] arXiv:astro-ph/0009301 [pdf, other]

Title: Parsec-Scale Blazar Monitoring: Proper Motions

D. C. Homan (1), R. Ojha (1), J. F. C. Wardle (1), D. H. Roberts (1), M. F. Aller (2), H. D. Aller (2), P. A. Hughes (2) ((1) Brandeis University (2) University of Michigan)

Comments: 27 pages, 37 figures, uses this http URL (included), ApJ in Press; very minor revisions to original version

Subjects: Astrophysics (astro-ph)

[302] arXiv:astro-ph/0009302 [pdf, other]

Title: The Bar Pattern Speed in NGC 7079

V.P. Debattista, T.B. Williams

Comments: Contribution to "Galaxy Disks and Disk Galaxies", eds: J.G. Funes S.J. & E.M. Corsini. 2 pages, no figures

Subjects: Astrophysics (astro-ph)

[303] arXiv:astro-ph/0009303 [pdf, other]

Title: The Hamburg/RASS optical identification project

F.-J. Zickgraf, D. Engels, H.-J. Hagen, D. Reimers

Comments: 3 pages, uses newpasp LaTeX style, 1 postscript figure, to appear in "New Era of Wide-Field Astronomy", ASP Conference Series

Subjects: Astrophysics (astro-ph)

[304] arXiv:astro-ph/0009304 [pdf, other]

Title: Radio observations of the 33.8 ms X-ray pulsar SAX J0635+0533

L. Nicastro (IFCAI-CNR), B.M. Gaensler (MIT), M.A. McLaughlin (Cornell Uni.)

Comments: 4 pages, LaTeX, 1 PS figure, accepted for publication on A&A

Subjects: Astrophysics (astro-ph)

[305] arXiv:astro-ph/0009305 [pdf, other]

Title: Probing Cosmology with the X-ray Forest

T. Fang, C. R. Canizares

Comments: 25 pages, 11 figures, published in ApJ

Journal-ref: ApJ, 539, 532

Subjects: Astrophysics (astro-ph)

[306] arXiv:astro-ph/0009306 [pdf, other]

Title: Multiresolution Analysis of Substructure in Dark Matter Halos

Michael D. Seymour, Lawrence M. Widrow (Queen's University, Kingston, Canada)

Comments: 22 pages, 12 figures, substantial changes and additions over original submission, to be published in the Astrophysical Journal, Oct, 2002

Journal-ref: Astrophys.J. 578 (2002) 689-701

Subjects: Astrophysics (astro-ph)

[307] arXiv:astro-ph/0009307 [pdf, other]

Title: Cosmic Defects and CMB anisotropy

Levon Pogosian

Comments: Talk given at DPF2000, Columbus, August 9-12, and ESF workshop on topological defects, Capri, September 7-12. A shorter version will appear in the proceedings of DPF2000. 7 pages, 7 figures

Journal-ref: Int.J.Mod.Phys. A16S1C (2001) 1043-1045

Subjects: Astrophysics (astro-ph)

[308] arXiv:astro-ph/0009308 [pdf, other]

Title: Chandra Observations of Cygnus A: Magnetic Field Strengths in the Hot Spots of a Radio Galaxy

A. S. Wilson, A. J. Young, P. L. Shopbell

Comments: 14 pages, 5 figues (3 JPEG, 2 Postscript), accepted for publication in the Astrophysical Journal (Letters)

Subjects: Astrophysics (astro-ph)

[309] arXiv:astro-ph/0009309 [pdf, other]

Title: Gamma-Ray Bursts from Up-Scattered Self-Absorbed Synchrotron Emission

A. Panaitescu, P. Meszaros

Comments: to be published in ApJL, 5 pages, 3 color figures

Journal-ref: Astrophys.J. 544 (2000) L17

Subjects: Astrophysics (astro-ph)

[310] arXiv:astro-ph/0009310 [pdf, other]

Title: Variability in LINERs

J. C. Shields (Ohio U.), H.-W. Rix (MPIA-Heidelberg), D. H. McIntosh (Arizona), L. C. Ho (OCIW), G. Rudnick (Arizona), A. V. Filippenko (UC-Berkeley), W. L. W. Sargent (Caltech), M. Sarzi (Padova), M. Eracleous (Penn State)

Comments: 7 pages, 2 figures. To appear in "Probing the Physics of Active Galactic Nuclei by Multiwavelength Monitoring"

Subjects: Astrophysics (astro-ph)

[311] arXiv:astro-ph/0009311 [pdf, other]

Title: The cosmic gamma-ray background in the MeV range

P. Ruiz-Lapuente (<a href="http://U.Barcelona" rel="external noopener nofollow" class="link-external link-http">this http URL</a> &amp; MPA), M. Casse (CEA,Saclay &amp; IAP), E. Vangioni-Flam (IAP)

Comments: 52 pages, 15 figures, ApJ (in press)

Journal-ref: Astrophys.J. 549 (2001) 483-494

Subjects: Astrophysics (astro-ph)

[312] arXiv:astro-ph/0009312 [pdf, other]

Title: The cosmic rate of supernovae and the range of stars ending as Type Ia SNe

P. Ruiz-Lapuente (U. Barcelona &amp; MPA), R. Canal (U. Barcelona)

Comments: 17 pages, incl. 2 figures. Submitted to ApJ (Letters)

Subjects: Astrophysics (astro-ph)

[313] arXiv:astro-ph/0009313 [pdf, other]

Title: Relation between blue/UV continuum shape and the ratio of radio to optical emission for B3-VLA quasars

Minfeng Gu, Xinwu Cao, D. R. Jiang, Y. Xu (Shanghai Astronomical Observatory)

Comments: accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 321 (2001) 369

Subjects: Astrophysics (astro-ph)

[314] arXiv:astro-ph/0009314 [pdf, other]

Title: Kinematics of log N(HI)~17 [cm^-2], Metal-Rich Gas Extended Around Intermediate Redshift Galaxies

Chris Churchill (Penn State)

Comments: To appear in Proceedings of "Gas and Galaxy Evolution", (VLA 20th Anniversary Conference), ASP Conf. Series, ed. J. Hibbard, M. Rupen, & J. van Gorkom; 4 pages, 2 encapsulated figures

Subjects: Astrophysics (astro-ph)

[315] arXiv:astro-ph/0009315 [pdf, other]

Title: Properties and evolution of disk galaxies in a hierarchical formation scenario

V. Avila-Reese (1), C. Firmani (1,2) ((1) Instituto de Astronomia, UNAM (2) Osservartorio Astronomico di Brera)

Comments: 2 pages, to appear in "Galaxy Disks and Disk Galaxies," eds. J. G. Funes & E. M. Corsini (ASP Conference Series)

Journal-ref: ASP Conference Series, 230, p. 647-648 (2001)

Subjects: Astrophysics (astro-ph)

[316] arXiv:astro-ph/0009316 [pdf, other]

Title: Multiphase Gas in Intermediate Redshift Galaxies

Chris Churchill (1), Rick Mellon (1), Jane Charlton (1), Buell Januzzi (2) (1 Penn State, 2 NOAO)

Comments: Material presented at the Hubble Space Telescope Symposium: Celebrating 10 Years of HST, May 2000; 4 pages, 2 figures

Subjects: Astrophysics (astro-ph)

[317] arXiv:astro-ph/0009317 [pdf, other]

Title: Substructure and halo density profiles in a Warm Dark Matter scenario

P. Colin (1), V. Avila-Reese (1), O. Valenzuela (2) ((1) Instituto de Astronomia, UNAM (2) Astronomy Department, NMSU)

Comments: 2 pages, to appear in "Galaxy Disks and Disk Galaxies," eds. J. G. Funes & E. M. Corsini (ASP Conference Series)

Journal-ref: ASP Conference Series, 230, p. 651-652 (2001)

Subjects: Astrophysics (astro-ph)

[318] arXiv:astro-ph/0009318 [pdf, other]

Title: ASCA Observations of the Twin Supernova Remnants in the Large Magellanic Cloud, DEM L316

Mamiko Nishiuchi, Jun Yokogawa, Katsuji Koyama, John P. Hughes

Comments: 5 pages, 1 table, 7 figures Also available at this http URL

Subjects: Astrophysics (astro-ph)

[319] arXiv:astro-ph/0009319 [pdf, other]

Title: Light Curves of GRB Optical Flashes

Shiho Kobayashi (Osaka University)

Comments: 18 pages, 6 figures, ApJ 545 in press

Subjects: Astrophysics (astro-ph)

[320] arXiv:astro-ph/0009320 [pdf, other]

Title: A Model of Void Formation

Yasmin Friedmann, Tsvi Piran (Hebrew University)

Comments: 15 pages, Latex, 5 figures. Accepted for publication in APJ

Subjects: Astrophysics (astro-ph)

[321] arXiv:astro-ph/0009321 [pdf, other]

Title: Metal Abundances of Red Clump Stars in Open Clusters: I. NGC 6819

A. Bragaglia, E. Carretta, R.G. Gratton, M. Tosi, G. Bonanno, P. Bruno, A. Cali`, R. Claudi, R. Cosentino, S. Desidera, G. Farisato, M. Rebeschini, S. Scuderi

Comments: 30 pages, 4 encapsulated figures, uses aastex, AJ in press

Subjects: Astrophysics (astro-ph)

[322] arXiv:astro-ph/0009322 [pdf, other]

Title: The BeppoSAX observation of Mrk 766

Giorgio Matt, G.C. Perola, F. Fiore, M. Guainazzi, F. Nicastro, L. Piro

Comments: accepted for publication in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[323] arXiv:astro-ph/0009323 [pdf, other]

Title: The Chandra High Energy Transmission Grating Observation of an X-ray Ionization Cone in Markarian 3

Masao Sako (1), Steven M. Kahn (1), Frits Paerels (1), Duane A. Liedahl (2) ((1) Columbia Astrophysics Laboratory, (2) Lawrence Livermore National Laboratory)

Comments: 16 pages, including 1 table and 2 figures

Journal-ref: Astrophys.J. 543 (2000) L115

Subjects: Astrophysics (astro-ph)

[324] arXiv:astro-ph/0009324 [pdf, other]

Title: Synchrotron Model for the Infrared, Optical and X-Ray Emission of the Crab Pulsar

A. R. Crusius-Waetzel, T. Kunzl, H. Lesch

Comments: to be published in Ap.J

Subjects: Astrophysics (astro-ph)

[325] arXiv:astro-ph/0009325 [pdf, other]

Title: An empirical model for protostellar collapse

A. P. Whitworth, D. Ward-Thompson

Comments: To appear in Astrophysical Journal, Jan 20th, 2001. 18 pages incl. 3 figs

Subjects: Astrophysics (astro-ph)

[326] arXiv:astro-ph/0009326 [pdf, other]

Title: The Demise of the Classical BLR in the Luminous Quasar PG1416-129

Jack W. Sulentic (1), Paolo Marziani (2), Tomaz Zwitter (3), Deborah Dultzin-Hacyan (4), Massimo Calvani (2) ((1) Dept. of Physics and Astronomy, University of Alabama, Tuscaloosa, AL, USA, (2) Osservatorio Astronomico di Padova, Padova, Italy, (3) Dept. of Physics, University of Ljubljana, Ljubljana, Slovenia, (4) Instituto de Astronomia, UNAM, Mexico, Mexico)

Comments: accepted to Astrophys. J. Letters; 12 pages, 2 figures, 2 tables

Subjects: Astrophysics (astro-ph)

[327] arXiv:astro-ph/0009327 [pdf, other]

Title: Magnetic Deformation of Magnetars for the Giant Flares of the Soft Gamma-Ray Repeaters

Kunihito Ioka

Comments: 24 pages, 5 figures, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 327 (2001) 639

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

[328] arXiv:astro-ph/0009328 [pdf, other]

Title: Rapidly rotating strange stars for a new equation of state of strange quark matter

I. Bombaci, A.V. Thampan, B. Datta

Comments: Two figures, uses this http URL and this http URL

Journal-ref: Astrophys.J. 541 (2000) L71

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

[329] arXiv:astro-ph/0009329 [pdf, other]

Title: Doppler Tomography of Dwarf Nova IY UMa during Quiescence

Daniel J. Rolfe (1), Timothy M.C. Abbott (2), Carole A. Haswell (1) ((1) The Open University, (2) Nordic Optical Telescope)

Comments: 6 pages, 5 figures. To appear in Proceedings of Astro-Tomography Workshop, Brussels, July 2000, Eds. H. Boffin, D. Steeghs, Springer-Verlag Lecture Notes in Physics

Subjects: Astrophysics (astro-ph)

[330] arXiv:astro-ph/0009330 [pdf, other]

Title: Star Formation in Viscous Galaxy Disks

Adrianne Slyz (1), Julien Devriendt (2), Andreas Burkert (1), Kevin Prendergast (3), Joseph Silk (2) ((1)MPIA, Heidelberg, (2)Univ. of Oxford, (3)Columbia Univ.,NY)

Comments: 2 pages, 2 figures. To appear in ASP Conference Series "Galaxy Disks and Disk Galaxies", eds. J.G. Funes S.J. and E.M. Corsini

Subjects: Astrophysics (astro-ph)

[331] arXiv:astro-ph/0009331 [pdf, other]

Title: Secular Evolution of the Galactic Disk

James Binney (Oxford)

Comments: 8 pages to appear in Galaxy Disks and Disk Galaxies, ASP this http URL., eds E.M. Corsini & J.G. Funes

Subjects: Astrophysics (astro-ph)

[332] arXiv:astro-ph/0009332 [pdf, other]

Title: SAURON Observations of Disks in Early-Type Galaxies

M. Bureau, Y. Copin, E. K. Verolme, P. T. de Zeeuw (1), R. Bacon, Eric Emsellem (2), Roger L. Davies, Harald Kuntschner (3), C. Marcella Carollo (4), Bryan W. Miller (5), G. Monnet (6), Reynier F. Peletier (7) ((1) Sterrewacht Leiden, (2) CRAL-Observatoire, (3) University of Durham, (4) Columbia University, (5) Gemini Observatory, (6) ESO, (7) University of Nottingham)

Comments: 4 pages, 4 figures (this http URL). To appear in ASP Conf. Series "Galaxy Disks and Disk Galaxies", eds. J.G. Funes S.J. & E.M. Corsini. Version with full resolution images available at this http URL

Subjects: Astrophysics (astro-ph)

[333] arXiv:astro-ph/0009333 [pdf, other]

Title: Matter in Strong Magnetic Fields

Dong Lai (Cornell)

Comments: 45 pages with 9 figures. Many small additions/changes. Accepted for publication in Rev. Mod. Phys

Journal-ref: Rev.Mod.Phys.73:629-662,2001

Subjects: Astrophysics (astro-ph); Condensed Matter (cond-mat); Atomic Physics (physics.atom-ph)

[334] arXiv:astro-ph/0009334 [pdf, other]

Title: A New Quadruple Gravitational Lens System: CLASS B0128+437

P. M. Phillips (1), M. A. Norbury (1), L. V. E. Koopmans (1,2), I. W. A. Browne (1), N. J. Jackson (1), P. N. Wilkinson (1), A. D. Biggs (1), R. D. Blandford (3), A. G. de Bruyn (4,2), C. D. Fassnacht (5), P. Helbig (2,1), S. Mao (1), D. R. Marlow (6), S. T. Myers (5), T. J. Pearson (3), A. C. S. Readhead (3), D. Rusin (6), E. Xanthopoulos (1) ((1) Jodrell Bank, Manchester (2) KAI, Groningen, (3) Caltech, (4) NFRA, Dwingeloo, (5) NRAO, Socorro, (6) UPenn)

Comments: Accepted for publication in MNRAS. 4 pages, 3 included PostScript figures

Journal-ref: Mon.Not.Roy.Astron.Soc. 319 (2000) L7

Subjects: Astrophysics (astro-ph)

[335] arXiv:astro-ph/0009335 [pdf, other]

Title: The Massive Stellar Population in a Nearby Massive Low Surface Brightness Galaxy

Patricia M. Knezek (Space Telescope Science Institute)

Comments: to appear in "Galaxy Disks and Disk Galaxies", eds. J.G. Funes S.J. & E.M. Corsini, 2 pages, 2 postscript figures, uses this http URL

Subjects: Astrophysics (astro-ph)

[336] arXiv:astro-ph/0009336 [pdf, other]

Title: Ultra-high energy cosmic rays: are they isotropic?

Gustavo Medina-Tanco (Institute of Astronomy and Geophysics, University of Sao Paulo, Sao Paulo, Brasil)

Comments: Astrophysical Journal accepted (September 2000) - 16 pages - 5 figures

Journal-ref: Astrophys.J. 549 (2001) 711-715

Subjects: Astrophysics (astro-ph)

[337] arXiv:astro-ph/0009337 [pdf, other]

Title: Spectroscopically Peculiar Type Ia Supernovae and Implications for Progenitors

D. Branch

Comments: 11 pages; accepted by PASP; several minor changes, 2 references added, main conclusions unchanged

Subjects: Astrophysics (astro-ph)

[338] arXiv:astro-ph/0009338 [pdf, other]

Title: Baryonic Tully-Fisher Relations

Stacy McGaugh (University of Maryland)

Comments: 4 pages including 1 figure. Invited review for "Galaxy Disks and Disk Galaxies", eds. J.G. Funes S.J. & E.M. Corsini

Journal-ref: ASP Conf.Ser. 230 (2001) 541-544

Subjects: Astrophysics (astro-ph)

[339] arXiv:astro-ph/0009339 [pdf, other]

Title: The Accelerations of Stars Orbiting the Milky Way's Central Black Hole

A. Ghez, M. Morris, E. E. Becklin, T. Kremenek, A. Tanner

Comments: To appear in September 21 2000 issue of Nature

Journal-ref: Nature 407 (2000) 349

Subjects: Astrophysics (astro-ph)

[340] arXiv:astro-ph/0009340 [pdf, other]

Title: On the Physical Nature of the Magnetic-Field Freezing-in Effect in Collisionless Cosmic Plasmas

Yu. V. Dumin

Comments: LaTeX2e, 3 pages, 1 eps figure, uses epsfig package. Typesetting options (referring to A4 paper size) corrected

Journal-ref: Solar System Research, Vol.32, No.4, 1998, pp.323-325 (Translated from Astronomicheskii Vestnik, Vol.32, No.4, 1998, pp.367-369)

Subjects: Astrophysics (astro-ph); Plasma Physics (physics.plasm-ph); Space Physics (physics.space-ph)

[341] arXiv:astro-ph/0009341 [pdf, other]

Title: Monte Carlo simulations of star clusters - II. Tidally limited, multi-mass systems with stellar evolution

Mirek Giersz (N. Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw)

Comments: 13 pages, 18 figures, 3 tables, submitted to MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 324 (2001) 218

Subjects: Astrophysics (astro-ph)

[342] arXiv:astro-ph/0009342 [pdf, other]

Title: A comparison of light and velocity variations in Semiregular variables

T. Lebzelter, L.L. Kiss, K.H. Hinkle

Comments: 9 figures

Journal-ref: Astronomy & Astrophysics (2000) 361, 167-174

Subjects: Astrophysics (astro-ph)

[343] arXiv:astro-ph/0009343 [pdf, other]

Title: Radial arc statistics: A new powerful probe of the central density profile of galaxy clusters

Kohji Molikawa, Makoto Hattori

Comments: 13 pages, 2 figures, Submitted to ApJ Letters

Subjects: Astrophysics (astro-ph)

[344] arXiv:astro-ph/0009344 [pdf, other]

Title: Structural Model of Molecular Cloud Complexes: Mass, Size, and External Pressure

A. K. Inoue, H. Kamaya (Department of Astronomy, Kyoto Univ.)

Comments: accepted by PASJ Letters

Subjects: Astrophysics (astro-ph)

[345] arXiv:astro-ph/0009345 [pdf, other]

Title: FIRES at the VLT: Measuring the Rest-Frame V-Band Luminosity of Galaxies from z~3 to Now

Gregory Rudnick (1), Hans-Walter Rix (1), Marijn Franx (2) ((1) MPIA, Heidelberg, (2) Leiden Observatory)

Comments: 2 pages, 2 figures (this http URL). To appear in ASP Conference Series "Galaxy Disks and Disk Galaxies", eds. J.G. Funes S.J. and E.M. Corsini. An error was found in the rest-frame V-band luminosity calculation and the values have been revised downwards. This does not affect our conclusions. Figures 1 and 2 have been changed

Subjects: Astrophysics (astro-ph)

[346] arXiv:astro-ph/0009346 [pdf, other]

Title: Non thermal emission from galaxy clusters: radio halos

L. Feretti (1), G. Brunetti (1,2), G. Giovannini (1,3), F. Govoni (1,2), G. Setti (1,2) ((1) IRA Bologna Italy (2) Dip. Astr. Univ. Bologna Italy (3) Dip. Fisica Univ. Bologna Italy)

Comments: Contribution to the IAP 2000 Conference "Constructing the Universe with Clusters of Galaxies", Paris, July 2000

Subjects: Astrophysics (astro-ph)

[347] arXiv:astro-ph/0009347 [pdf, other]

Title: A new scheme of radiation transfer in H II regions including transient heating of grains

S. K. Ghosh, R. P. Verma

Comments: 16 pages total including 3 tables and 2 figures

Journal-ref: Journal of Astrophysics & Astronomy, 21 (2000) 61-76

Subjects: Astrophysics (astro-ph)

[348] arXiv:astro-ph/0009348 [pdf, other]

Title: EVN Observations of GRS1915+105

L. Feretti, G. Giovannini, M. Tordi, T. Venturi, S. Massaglia, G. Bodo, E. Trussoni, M. Gliozzi, M. Tavani, J. Conway, A. Foley, D. Graham, A. Kus, R. Spencer, C. Trigilio

Comments: Proceedings of the 5th EVN Symposium, Eds. J. Conway, A. Polatidis, R. Booth, Onsala Observatory, Sweden (June 2000)

Subjects: Astrophysics (astro-ph)

[349] arXiv:astro-ph/0009349 [pdf, other]

Title: X-Ray Bursters A1742-294 and SLX1744-299/300 Near the Galactic Center

A.A.Lutovinov, S.A.Grebenev, M.N.Pavlinsky, R.A.Sunyaev

Comments: 7 pages (5 figures), to be published in the proceedings of ``X-Ray Astronomy 2000'', Palermo, Italy

Subjects: Astrophysics (astro-ph)

[350] arXiv:astro-ph/0009350 [pdf, other]

Title: The Luminosity Function of 80 Abell Clusters from the CRoNaRio catalogues

S. Piranomonte (Osservatorio di Capodimonte, Napoli, Italy), M. Paolillo (Universita' di Palermo, Palermo, Italy), G. Longo, S. Andreon, E. Puddu (Osservatorio di Capodimonte, Napoli, Italy), R. Scaramella (Osservatorio di Roma, MontePorzio, Italy)R. Gal, S. G. Djorgovski (Department of Astronomy, Caltech, USA)

Comments: 6 pages, 4 figures. To appear in the proceedings of "Virtual Observatory of the future", eds. Robert J. Brunner et al., ASP Conference Series

Subjects: Astrophysics (astro-ph)