Astrophysics

Authors and titles for September 2000

[401] arXiv:astro-ph/0009401 [pdf, other]

Title: CCD Photometry of the Globular Cluster NGC 4833 and Extinction Near the Galactic Plane

Jason Melbourne (1), Ata Sarajedini (1), Andrew Layden (2), Donald H. Martins (3) ((1) Wesleyan University, (2) Bowling Green State University, (3) University of Alaska)

Comments: 16 pages, 14 figures (note: Figure 7 has two parts. All figures are in GIF format to speed up download, as a result there is some loss in image quality.) To be published in AJ, December 2000

Subjects: Astrophysics (astro-ph)

[402] arXiv:astro-ph/0009402 [pdf, other]

Title: The Topology of Weak Lensing Fields

Takahiko Matsubara, Bhuvnesh Jain

Comments: 6 pages, 3 figures, to be published in ApJL (vol. 552)

Subjects: Astrophysics (astro-ph)

[403] arXiv:astro-ph/0009403 [pdf, other]

Title: Physical Conditions in Circumstellar Gas surrounding SN 1987A 12 Years After Outburst

Stephen P. Maran (1), George Sonneborn (1), Chun S. J. Pun (1, 2), Peter Lundqvist (3), Rosina C. Iping (1, 4), Theodore R. Gull (1) ((1) NASA Goddard Space Flight Center, (2) AURA/NOAO, (3) Stockholm Observatory, (4) Catholic University of America)

Comments: 25 pages, 6 figures, to appear in December 1, 2000 Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[404] arXiv:astro-ph/0009404 [pdf, other]

Title: Enhanced Microlensing by Stars Around the Black Hole in the Galactic Center

Tal Alexander (IAS, STScI), Abraham Loeb (CfA)

Comments: 16 pages, 4 figures, ApJ in press. Lensing probability for GC significantly decreased due to revised background sources model

Subjects: Astrophysics (astro-ph)

[405] arXiv:astro-ph/0009405 [pdf, other]

Title: Finding Pulsars at Parkes

R. N. Manchester

Comments: 16 pages, 9 figures, accepted by Publ. Astron. Soc. Australia

Subjects: Astrophysics (astro-ph)

[406] arXiv:astro-ph/0009406 [pdf, other]

Title: The black-hole masses of Seyfert galaxies and quasars

R.J. McLure, J.S. Dunlop

Comments: 10 pages, 6 figures, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 327 (2001) 199

Subjects: Astrophysics (astro-ph)

[407] arXiv:astro-ph/0009407 [pdf, other]

Title: Gravitational waves, baryogenesis, and dark matter from primordial black holes

A. D. Dolgov, P. D. Naselsky, I. D. Novikov

Comments: 6 pages, no figures. Submitted to Phys. Rev. D

Subjects: Astrophysics (astro-ph)

[408] arXiv:astro-ph/0009408 [pdf, other]

Title: Slow Jets in Seyfert Galaxies: NGC 1068

A.L. Roy, A.S. Wilson, J.S. Ulvestad, E.J.M. Colbert

Comments: 4 pages, 2 figures, for "Proceedings of the 5th EVN Symposium", Eds. J.E. Conway, A. Polatidis & R.S. Booth, Onsala Space Observatory, Chalmers Technical University, Gothenburg, Sweden (2000)

Subjects: Astrophysics (astro-ph)

[409] arXiv:astro-ph/0009409 [pdf, other]

Title: Subaru Deep Survey I. Near-Infrared Observations

T. Maihara, F. Iwamuro, H. Tanabe, T. Taguchi, R. Hata, S. Oya, N. Kashikawa, M. Iye, S. Miyazaki, H. Karoji, M. Yoshida, T. Totani, Y. Yoshii, S. Okamura, K. Shimasaku, Y. Saito, H. Ando, M. Goto, M. Hayashi, N. Kaifu, N. Kobayashi, G. Kosugi, K. Motohara, T. Nishimura, J. Noumaru, R. Ogasawara, T. Sasaki, K. Sekiguchi, T. Takata, H. Terada, T. Yamashita, T. Usuda, A.T. Tokunaga

Comments: 11 pages, 14 figures, to appear in this http URL. The full ps file can be retrieved at this ftp URL

Subjects: Astrophysics (astro-ph)

[410] arXiv:astro-ph/0009410 [pdf, other]

Title: On the stability of very massive primordial stars

I. Baraffe (Ecole Normale Superieure, Lyon), A. Heger, S. E. Woosley (University of California, Santa Cruz)

Comments: 7 pages, 5 figures. Minor changes, more results given in Table 1, accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[411] arXiv:astro-ph/0009411 [pdf, other]

Title: Accretion Stream Mapping of HU Aquarii

Sonja Vrielmann, Axel D. Schwope

Comments: 12 pages, 31 figures, accepted by MNRAS, uses this http URL, see also this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc. 322 (2001) 269

Subjects: Astrophysics (astro-ph)

[412] arXiv:astro-ph/0009412 [pdf, other]

Title: Origin of scaling structure and non-gaussian velocity distribution in self-gravitating ring model

Yasuhide Sota, Osamu Iguchi, Masahiro Morikawa, Takayuki Tatekawa, Kei-ichi Maeda

Comments: 21pages,11figures

Subjects: Astrophysics (astro-ph); Statistical Mechanics (cond-mat.stat-mech)

[413] arXiv:astro-ph/0009413 [pdf, other]

Title: VLBI Observations of Five Compact Radio Sources

J.F. Zhou (Shanghai Astronomical Observatory, SHAO), D.R. Jiang (SHAO), X.Y. Hong (SHAO), T. Venturi (Istituto di Radioastronomia del CNR)

Comments: To be appear in the "Proceedings of the 5th EVN Symposium", Eds. J. Conway, A. Polatidis, this http URL., Onsala Space Observatory, Chalmers Technical University, Gothenburg, Sweden (2000)

Subjects: Astrophysics (astro-ph)

[414] arXiv:astro-ph/0009414 [pdf, other]

Title: Hydrodynamic approach to the evolution of cosmological structures

Alvaro Dominguez

Comments: 14 pages, 3 figures. Version to appear in Phys. Rev. D

Journal-ref: Phys. Rev. D 62 (2000) 103501

Subjects: Astrophysics (astro-ph)

[415] arXiv:astro-ph/0009415 [pdf, other]

Title: A 421 d Activity Cycle in the BeX Recurrent Transient A0538-66 from MACHO monitoring

C. Alcock, R. A. Allsman, D. R. Alves, T. S. Axelrod, A. C. Becker, D. P. Bennett, P. A. Charles, K. H. Cook, A. J. Drake, K. C. Freeman, M. Geha, K. Griest, M. J. Lehner, S. L. Marshall, K. E. McGowan, D. Minniti, C. A. Nelson, B. A. Peterson, P. Popowski, M. R. Pratt, P. J. Quinn, C. W. Stubbs, W. Sutherland, A. B. Tomaney, T. Vandehei, D. L. Welch

Comments: 4 pages, 7 figures, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 321 (2001) 678

Subjects: Astrophysics (astro-ph)

[416] arXiv:astro-ph/0009416 [pdf, other]

Title: Neutrinos and the Highest Energy Cosmic Rays

Antoine Letessier-Selvon

Comments: Talk Given at the Neutrino 2000 COnference. Sudbury, Toronto June 12-17 2000 7 pages, 8 figures

Journal-ref: Nucl.Phys.Proc.Suppl. 91 (2000) 473-479

Subjects: Astrophysics (astro-ph)

[417] arXiv:astro-ph/0009417 [pdf, other]

Title: On the detection of neutrino oscillations with Planck surveyor

L.Popa, C. Burigana, F.Finelli, N. Mandolesi

Comments: 16 pages, 5 figures can also be found at this http URL A&A (in printing)

Journal-ref: Astron.Astrophys.363:825-836,2000

Subjects: Astrophysics (astro-ph)

[418] arXiv:astro-ph/0009418 [pdf, other]

Title: Infrared Spectra of Cooling Flow Galaxies

W. Jaffe, M.N. Bremer, P.P. van der Werf

Comments: 6 pages, 3 figures

Journal-ref: Mon.Not.Roy.Astron.Soc. 324 (2001) 443

Subjects: Astrophysics (astro-ph)

[419] arXiv:astro-ph/0009419 [pdf, other]

Title: Photometric Constraints on Chemical Evolution Models of Irregular Galaxies

Leticia Carigi, Gustavo Bruzual

Comments: 2 pages, for ASP Conf. Ser.:"Galaxy Disks and Disk Galaxies", eds. J.G. Funes S.J. and E.M . Corsini

Subjects: Astrophysics (astro-ph)

[420] arXiv:astro-ph/0009420 [pdf, other]

Title: Late superhumps and the stream-disc impact in IY UMa

Daniel J. Rolfe (1), Carole A. Haswell (1), Joseph Patterson (2) ((1) The Open University, (2) Columbia University)

Comments: 7 pages, 9 figures, accepted for publication in MNRAS. Minor changes to original content, additional modelling and figures

Journal-ref: Mon.Not.Roy.Astron.Soc. 324 (2001) 529

Subjects: Astrophysics (astro-ph)

[421] arXiv:astro-ph/0009421 [pdf, other]

Title: An Empirical Procedure to Estimate Distances to Stellar Clusters

Carlos Allende Prieto (The University of Texas at Austin)

Comments: 18 pages, 8 figures; to appear in ApJ

Subjects: Astrophysics (astro-ph)

[422] arXiv:astro-ph/0009422 [pdf, other]

Title: An RXTE Survey of Long-Term X-ray Variability in Seyfert 1 Galaxies

A. Markowitz, R. Edelson

Comments: 18 pages, 9 figures. Accepted for publication in the Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[423] arXiv:astro-ph/0009423 [pdf, other]

Title: Evidence for a Long-period Planet Orbiting Epsilon Eridani

Artie P. Hatzes, William D. Cochran, Barbara McArthur, Sallie L. Baliunas, Gordon A. H. Walker, Bruce Campbell, Alan W. Irwin, Stephenson Yang, Martin Kürster, Michael Endl, Sebastian Els, R. Paul Butler, Geoffrey W. Marcy

Comments: To appear in Astrophysical Journal Letters. 9 pages, 2 figures

Journal-ref: Astrophys.J. 544 (2000) L145

Subjects: Astrophysics (astro-ph)

[424] arXiv:astro-ph/0009424 [pdf, other]

Title: Models for Accretion Disk Fluctuations through Self-Organized Criticality Including Relativistic Effects

Ying Xiong (1), Paul J. Wiita (1,2), Gang Bao (1,3) ((1)Georgia State, (2) Princeton, (3) Columbia)

Comments: 26 pages, 4 figures, in press in PASJ

Journal-ref: Publ. Astron. Soc. Japan 52, 1097-1107 (2000)

Subjects: Astrophysics (astro-ph)

[425] arXiv:astro-ph/0009425 [pdf, other]

Title: ASCA Observation of an "X-ray Shadow" in the Galactic Plane

Sangwook Park, Ken Ebisawa

Comments: 24 pages including 8 figures, accepted for ApJ

Subjects: Astrophysics (astro-ph)

[426] arXiv:astro-ph/0009426 [pdf, other]

Title: Weak Lensing Predictions at Intermediate Scales

L. Van Waerbeke (CITA, IAP), T. Hamana (IAP), R. Scoccimarro (IAS), S. Colombi (IAP, NIC), F. Bernardeau (SphT, Saclay)

Comments: 7 pages, submitted to MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 322 (2001) 918

Subjects: Astrophysics (astro-ph)

[427] arXiv:astro-ph/0009427 [pdf, other]

Title: A Fitting Formula for the Non-Linear Evolution of the Bispectrum

Roman Scoccimarro, H.M.P. Couchman

Comments: 7 pages, 5 figures

Journal-ref: Mon.Not.Roy.Astron.Soc. 325 (2001) 1312

Subjects: Astrophysics (astro-ph)

[428] arXiv:astro-ph/0009428 [pdf, other]

Title: Spectral Energy Distributions of T Tauri and Herbig Ae Disks: Grain Mineralogy, Parameter Dependences, and Comparison with ISO LWS Observations

E. I. Chiang (IAS), M. K. Joung (Columbia University), M. J. Creech-Eakman (JPL), C. Qi (Harvard CfA), J. E. Kessler (Caltech), G. A. Blake (Caltech), E. F. van Dishoeck (Leiden)

Comments: Accepted to ApJ, 35 pages inc. 14 figures, AAS preprint

Subjects: Astrophysics (astro-ph)

[429] arXiv:astro-ph/0009429 [pdf, other]

Title: Velocity Gradients in the Intracluster Gas of the Perseus Cluster

Renato A. Dupke, Joel N. Bregman

Comments: 19 pages, 6 figures, accepted for publication in the Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[430] arXiv:astro-ph/0009430 [pdf, other]

Title: RX J1420.4+5334 - another tidal disruption event?

J. Greiner, R. Schwarz (Astrophys. Inst. Potsdam, Germany), S. Zharikov (UNAM Ensenada, Mexico), M. Orio (Oss. Torino, Italy)

Comments: 5 pages, LATEX with this http URL, 4 ps-figs., A&A Lett. (accepted), also available at this http URL

Subjects: Astrophysics (astro-ph)

[431] arXiv:astro-ph/0009431 [pdf, other]

Title: The Coma cluster luminosity function from ultraviolet to near-infrared

S. Andreon (Oss. Astron. Capodimonte, Naples), J.-C. Cuillandre (CFHT, Hawaii), R. Pello (Obs. Midi-Pyrenees, Toulouse)

Comments: Contribution to the IAP 2000 Conference "Constructing the Universe with Clusters of Galaxies", Paris, July 2000. The whole paper with all high resolution images is available at this http URL

Subjects: Astrophysics (astro-ph)

[432] arXiv:astro-ph/0009432 [pdf, other]

Title: Implications for quintessence models from MAXIMA-1 and BOOMERANG-98

A. Balbi, C. Baccigalupi, S. Matarrese, F. Perrotta, N. Vittorio

Comments: 4 pages, 3 figures. Reflects version accepted for publication by ApJ Letters

Journal-ref: Astrophys.J. 547 (2001) L89-L92

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

[433] arXiv:astro-ph/0009433 [pdf, other]

Title: Lensing properties of 7 damped Lyman-alpha absorbing galaxy-QSO pairs

Vincent Le Brun (1), Alain Smette (2,3,4), Jean Surdej (4), Jean-Francois Claeskens (4) ((1) Laboratoire d'Astrophysique de Marseille, (2) NASA-Goddard Space Flight Center, (3) NOAO, (4) Institut d'Astrophysique et de Geophysique, Universite de Liege)

Comments: Accepted for publication in A&A Main Journal. 7 pages, 2 images

Subjects: Astrophysics (astro-ph)

[434] arXiv:astro-ph/0009434 [pdf, other]

Title: The Discovery of a State Dependent Hard Tail in the X-ray Spectrum of the Luminous Z-source GX 17+2

T. Di Salvo, L. Stella, N. R. Robba, M. van der Klis, L. Burderi, G.L. Israel, J. Homan, S. Campana, F. Frontera, A.N. Parmar

Comments: 11 pages, including 2 figures. Accepted for publication in ApJ Letters

Subjects: Astrophysics (astro-ph)

[435] arXiv:astro-ph/0009435 [pdf, other]

Title: A Broad Fe-Kalpha Emission Line in the X-Ray Spectrum of the Quasar 3C 273

T. Yaqoob (1,2), P. J. Serlemitsos (1) ((1) Lhea, NASA/GSFC (2) Umbc)

Comments: 18 pages including 2 figures. Latex file picks up figures. (Accepted for Publication in the Astrophysical Journal Letters)

Subjects: Astrophysics (astro-ph)

[436] arXiv:astro-ph/0009436 [pdf, other]

Title: Radial density and temperature profiles of the intracluster gas constructed jointly from the X-ray surface brightness measurement and the universal density profile

Xiang-Ping Wu, Tzihong Chiueh

Comments: 26 pages, 4 figures, accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[437] arXiv:astro-ph/0009437 [pdf, other]

Title: Reconstruction of radial temperature profiles of galaxy clusters

Yan-Jie Xue, Xiang-Ping Wu

Comments: 4 pages, 1 figure, A&A, 2000, 360, L43-L46

Subjects: Astrophysics (astro-ph)

[438] arXiv:astro-ph/0009438 [pdf, other]

Title: Detection of spiral magnetic fields in two flocculent galaxies

J. Knapik, M. Soida, R.-J. Dettmar, R. Beck, M. Urbanik

Comments: 11 pages, 10 figures, A&A in print

Subjects: Astrophysics (astro-ph)

[439] arXiv:astro-ph/0009439 [pdf, other]

Title: The origin of the HH7-11 outflow

R. Bachiller, F. Gueth, S. Guilloteau, M. Tafalla, A. Dutrey

Comments: 4 pages, 3 figures. To be published in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[440] arXiv:astro-ph/0009440 [pdf, other]

Title: Water and Dust Emission from W Hydrae

Victor Zubko, Moshe Elitzur

Comments: 5 pages, 3 figures, uses this http URL and this http URL, accepted by ApJ Letters

Subjects: Astrophysics (astro-ph)

[441] arXiv:astro-ph/0009441 [pdf, other]

Title: Extragalactic radio sources with hybrid morphology: implications for the Fanaroff-Riley dichotomy

Gopal-Krishna (1), Paul J. Wiita (2,3) ((1) NCRA, (2) Princeton, (3) Georgia State)

Comments: 11 pages including 4 figures. Accepted for publication in A&A

Journal-ref: Astron. Astrophys. 363, 507-516 (2000)

Subjects: Astrophysics (astro-ph)

[442] arXiv:astro-ph/0009442 [pdf, other]

Title: VLT search for the infrared counterpart of 1E 1740.7-2942

Josep Marti, I. Felix Mirabel, Sylvain Chaty, Luis F. Rodriguez

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

Subjects: Astrophysics (astro-ph)

[443] arXiv:astro-ph/0009443 [pdf, other]

Title: The Galaxy Environment of Quasars in the z~1.3 Clowes-Campusano Large Quasar Group

C. P. Haines (1), R. G. Clowes (1), L. E. Campusano (2) ((1) University of Central Lancashire, (2) Universidad de Chile)

Comments: 2 pages, 1 figure, uses this http URL. To appear in the proceedings of IAU Symposium 201, "New Cosmological Data and the Values of the Fundamental Parameters", August 2000, eds. A. Lasenby, A. Wilkinson

Subjects: Astrophysics (astro-ph)

[444] arXiv:astro-ph/0009444 [pdf, other]

Title: Establishing The GZK Cutoff With Ultra High Energy Tau Neutrinos

Antoine Letessier-Selvon

Comments: Talk given at the International Workshop on Observing Ultra High Energy Cosmic Rays From Space and Earth, Puebla 2000 (Mexico). 15 pages, 9 figures

Journal-ref: AIP Conf.Proc. 566 (2000) 157-171

Subjects: Astrophysics (astro-ph)

[445] arXiv:astro-ph/0009445 [pdf, other]

Title: Unusual Properties of X-Ray Emission near the Galactic Center

Y. Tanaka, K. Koyama, Y. Maeda, T. Sonobe

Comments: 12 pages, Latex

Journal-ref: Publ. Astron. Soc. Japan 52, L25-L30 (2000)

Subjects: Astrophysics (astro-ph)

[446] arXiv:astro-ph/0009446 [pdf, other]

Title: The effect of a cusped matter distribution on the formation of brightest cluster members

E. Athanassoula, A. Garijo, C. Garcia

Comments: 18 pages, 17 figures, to be published in MNRAS. For better resolution figures, see this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc. 321 (2001) 353

Subjects: Astrophysics (astro-ph)

[447] arXiv:astro-ph/0009447 [pdf, other]

Title: An Off-line Scan of the BATSE Daily Records and a Large Uniform Sample of Gamma-Ray Bursts

Boris E. Stern, Yana Tikhomirova, Dmitrii Kompaneets, Roland Svensson, Juri Poutanen

Comments: 14 pages; 23 figures; revised version accepted to ApJ; electronic version of Table 2 is available at this ftp URL The GRB archive is available at this http URL

Journal-ref: Astrophys.J. 563 (2001) 80

Subjects: Astrophysics (astro-ph)

[448] arXiv:astro-ph/0009448 [pdf, other]

Title: Resolving the Mystery of X-ray Faint Elliptical Galaxies: Chandra X-ray Observations of NGC 4697

Craig L. Sarazin, Jimmy A. Irwin, Joel N. Bregman

Comments: Astrophysical Journal Letters, in press. 4 pages in emulateapj5 style with 4 embedded Postscript figures. Higher quality version of paper and figures 1 and 2 are available at this http URL, this http URL, and this http URL

Subjects: Astrophysics (astro-ph)

[449] arXiv:astro-ph/0009449 [pdf, other]

Title: Neutrino Processes in Supernovae and the Physics of Protoneutron Star Winds

Todd A. Thompson, Adam Burrows

Comments: 6 pages, LaTeX, 2 figures, to appear in the proceedings of the conference "Nuclei in the Cosmos 2000," held in Aarhus, Denmark June 27-July 1, 2000

Journal-ref: Nucl.Phys. A688 (2001) 377-381

Subjects: Astrophysics (astro-ph)

[450] arXiv:astro-ph/0009450 [pdf, other]

Title: Bound near-equatorial orbits around neutron stars

Draza Markovic

Comments: 12 pages, 12 figures, uses this http URL; submitted to MNRAS on March 20, 2000

Subjects: Astrophysics (astro-ph)