Astrophysics

Authors and titles for May 2000

[501] arXiv:astro-ph/0005503 [pdf, other]

Title: Numerical Simulations in Cosmology II: Spatial and Velocity Biases

Anatoly Klypin (NMSU)

Comments: Lecture at the Summer School "Relativistic Cosmology: Theory and Observations", Italy, Como, May 2000. AASTeX and natbib

Subjects: Astrophysics (astro-ph)

[502] arXiv:astro-ph/0005504 [pdf, other]

Title: Numerical Simulations in Cosmology III: Dark Matter Halos

Anatoly Klypin (NMSU)

Comments: Lecture at the Summer School "Relativistic Cosmology: Theory and Observations", Italy, Como, May 2000. AASTeX and natbib

Subjects: Astrophysics (astro-ph)

[503] arXiv:astro-ph/0005505 [pdf, other]

Title: Recent Observations of X-Ray Emission from Galactic Binary Neutron Stars

Jean Swank (Goddard Space Flight Center)

Comments: 10 pages, 3 figures, to appear in "IAU Symposium 195: Highly Energetic Physical Processes and Mechanisms for Emission from Astrophysical Plasmas", ed. P. C. H. Martens, S. Tsuruta, and M. A. Weber, (San Francisco: ASP)

Subjects: Astrophysics (astro-ph)

[504] arXiv:astro-ph/0005506 [pdf, other]

Title: Time-series Spectroscopy of Pulsating sdB Stars: PG1605+072

S. J. O'Toole, T. R. Bedding, H. Kjeldsen, T. C. Teixeira, G. Roberts, F. van Wyk, D. Kilkenny, N D'Cruz, I. K. Baldry

Comments: 16 pages, 3 figures, ApJ Letters, accepted

Subjects: Astrophysics (astro-ph)

[505] arXiv:astro-ph/0005507 [pdf, other]

Title: Epochs of Maximum Light and Bolometric Light Curves of Type Ia Supernovae

G. Contardo (ESO, MPA), B. Leibundgut (ESO), W. D. Vacca (IfA)

Comments: 11 pages, 9 figures; accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[506] arXiv:astro-ph/0005508 [pdf, other]

Title: Ultra-strong Elelctric Fields and Vacuum Breakdown: Search for an Astrophysical Scenario

Aldo Treves (University of Como), Roberto Turolla (University of Padova), S.B. Popov (Sternberg Astronomical Institute)

Comments: 6 pages, to be published in the Proceedings of INW3 and IKM6 (Nuovo Cimento B, special volume), Eds. C. Cherubini and R. Ruffini; uses this http URL style (included)

Journal-ref: NuovoCim.B115:863-868,2000

Subjects: Astrophysics (astro-ph)

[507] arXiv:astro-ph/0005509 [pdf, other]

Title: Meteor Stream Membership Criteria

Jozef Klacka

Subjects: Astrophysics (astro-ph)

[508] arXiv:astro-ph/0005510 [pdf, other]

Title: Far infrared extragalactic background radiation: I. Source counts with ISOPHOT

M. Juvela, K. Mattila, D. Lemke

Comments: 19 pages, 13 figures, to be published in the A&A Main Journal

Subjects: Astrophysics (astro-ph)

[509] arXiv:astro-ph/0005511 [pdf, other]

Title: The Observed Mass Profiles of Dark Halos and The Formation Epochs of Galaxies

Shinji Sato, Fumie Akimoto, Akihiro Furuzawa, Yasuki Kumai, Yuzuru Tawara, Manabu Watanabe

Comments: 11 pages, 5 figures. Accepted for the publication in Astrophysical Journal Letters

Subjects: Astrophysics (astro-ph)

[510] arXiv:astro-ph/0005512 [pdf, other]

Title: Dynamic Work Distribution for PM Algorithm

E. Carretti (1), A. Messina (2) ((1) Te.S.R.E.-CNR, (2) Universita` di Bologna, Dipartimento di Scienze dell'Informazione)

Comments: 11 pages, 3 Postscript figures, Proceedings of the Fifth European SGI/Cray MPP Workshop, Bologna, Italy, 1999, this http URL

Subjects: Astrophysics (astro-ph)

[511] arXiv:astro-ph/0005513 [pdf, other]

Title: The synthesis of the light Mo and Ru isotopes: how now, no need for an exotic solution ?

V. Costa (1,2,3), M. Rayet (3), R. A. Zappalà (1), M. Arnould (3) ((1) Universita degli studi di Catania, (2) INFN-LNS, Catania, (3) Universite Libre de Bruxelles)

Comments: 4 pages, 4 figures. LaTex2e with this http URL. A&A Letters, in press

Subjects: Astrophysics (astro-ph)

[512] arXiv:astro-ph/0005514 [pdf, other]

Title: Dynamics and properties of chiral cosmic strings in Minkowski space

A.C. Davis, T.W.B. Kibble, M. Pickles, D.A. Steer

Comments: LaTex, 14 pages, 3 figures included as .eps files

Journal-ref: Phys.Rev. D62 (2000) 083516

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

[513] arXiv:astro-ph/0005515 [pdf, other]

Title: Limits of crystallographic methods for detecting space topology

Roland Lehoucq, Jean-Philippe Uzan, Jean-Pierre Luminet

Comments: 17 pages, 5 figures

Journal-ref: Astron.Astrophys.363:1,2000

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

[514] arXiv:astro-ph/0005516 [pdf, other]

Title: Limits on the accretion rates onto massive black holes in nearby galaxies

T. Di Matteo (Harvard), C.L. Carilli (NRAO), A.C. Fabian (IoA)

Comments: 14 pages, 5 figures; submitted to ApJ

Subjects: Astrophysics (astro-ph)

[515] arXiv:astro-ph/0005517 [pdf, other]

Title: Exploring the high frequency emission of radio loud X-ray binaries

J.M. Paredes (1), J. Marti (2), M. Peracaula (3, 1), G. Pooley (4), I.F. Mirabel (5, 6). ((1) Universitat de Barcelona, Spain, (2) Universidad de Jaen, Spain, (3) University of Calgary, Canada, (4) Mullard Radio Astronomy Observatory, Cavendish Laboratory, UK, (5) CEA/DSM/DAPNIA/Service d'Astrophysique, Centre d'Etudes de Saclay, France, (6) Instituto de Astronomia y Fisica del Espacio, Buenos Aires, Argentina.)

Comments: 8 pages, 5 figures, LaTeX, uses this http URL. Published in A&A, 357, 507-514 (2000)

Journal-ref: Astronomy and Astrophysics, 357, 507-514 (2000)

Subjects: Astrophysics (astro-ph)

[516] arXiv:astro-ph/0005518 [pdf, other]

Title: Spectroscopy and Component Masses of the Eclipsing Dwarf Nova HS0907+1902

John R. Thorstensen

Comments: One tex file, and 7 figures Replaced because of typo in abstract (should be M2=0.38+-0.06)

Subjects: Astrophysics (astro-ph)

[517] arXiv:astro-ph/0005519 [pdf, other]

Title: The evolution Equation of Cosmological density perturbation in Einstein-Cartan gravity

L.C.Garcia de Andrade

Comments: Latex file 8,39 kB

Subjects: Astrophysics (astro-ph)

[518] arXiv:astro-ph/0005520 [pdf, other]

Title: The Abundance of Interstellar Boron

J. Christopher Howk, Kenneth R. Sembach (JHU), Blair D. Savage (Wisc.)

Comments: Accepted for publication in The Astrophysical Journal. 13 pages, including 2 tables and 4 figures. Also available at this http URL

Subjects: Astrophysics (astro-ph)

[519] arXiv:astro-ph/0005521 [pdf, other]

Title: What are MACHOs? Interpreting LMC microlensing

David S. Graff (Ohio State)

Comments: 8 pages, no figures, To appear in ``Microlensing 2000: A New Era of Microlensing Astrophysics,'' an ASP conference proceedings, eds. J.W. Menzies and P.D. Sackett

Subjects: Astrophysics (astro-ph)

[520] arXiv:astro-ph/0005522 [pdf, other]

Title: Star formation in clusters: early sub-clustering in the Serpens core

L. Testi (Arcetri), A.I. Sargent (Caltech), L. Olmi (LMT & FCRAO), J.S. Onello (Cortland)

Comments: 11 pages, 3 Figures, ApJ Letters in press

Subjects: Astrophysics (astro-ph)

[521] arXiv:astro-ph/0005523 [pdf, other]

Title: Temporal properties of flares in accretion disk coronae

Julien Malzac, Elisabeth Jourdain

Comments: 13 pages, 7 figures, to appear in Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[522] arXiv:astro-ph/0005524 [pdf, other]

Title: VLA radio continuum observations of a new sample of high redshift radio galaxies

L.Pentericci, W. Van Reeven, C.L. Carilli, H.J.A. Rottgering, G.K. Miley

Comments: Accepted for publication in A&A Supplement

Journal-ref: Astron.Astrophys.Suppl.Ser.145:121-159,2000

Subjects: Astrophysics (astro-ph)

[523] arXiv:astro-ph/0005525 [pdf, other]

Title: L483: A Protostar In Transition From Class 0 to Class I

M. Tafalla, P.C. Myers, D. Mardones, R. Bachiller

Comments: 11 pages, 9 PostScript figures, accepted for publication in Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[524] arXiv:astro-ph/0005526 [pdf, other]

Title: A large age for the pulsar B1757-24 from an upper limit on its proper motion

Bryan Gaensler (1), Dale Frail (2) ((1) MIT, (2) NRAO)

Comments: 8 pages, 2 embedded EPS figures, uses this http URL. Corrected sign error in shift in Right Ascension (subsequent results unchanged)

Journal-ref: Nature 406 (2000) 158

Subjects: Astrophysics (astro-ph)

[525] arXiv:astro-ph/0005527 [pdf, other]

Title: Synthetic post-Asymptotic Giant Branch evolution: basic models and applications to disk populations

Letizia Stanghellini, Alvio Renzini

Comments: 2 tables, 27 figures (gif format) The Astrophysical Journal, accepted

Subjects: Astrophysics (astro-ph)

[526] arXiv:astro-ph/0005528 [pdf, other]

Title: Geometric Conditions on the Type of Matter Determining the Flat Behavior of the Rotational Curves in Galaxies

Tonatiuh Matos (CINVESTAV), Dario Nunez (ICN-UNAM), F. Siddhartha Guzman (CINVESTAV), Erandy Ramirez (ICN-UNAM)

Comments: 16 pages, RevTeX, no figures. More information at this http URL

Journal-ref: Gen.Rel.Grav. 34 (2002) 283-305

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

[527] arXiv:astro-ph/0005529 [pdf, other]

Title: Overview of the Far Ultraviolet Spectroscopic Explorer Mission

H. W. Moos, et al

Comments: To appear in FUSE special issue of the Astrophysical Journal Letters. 6 pages + 4 figures

Journal-ref: Astrophys.J.538:L1-L6,2000

Subjects: Astrophysics (astro-ph)

[528] arXiv:astro-ph/0005530 [pdf, other]

Title: The Nuclear Dynamics of M32. I. Data and Stellar Kinematics

C. Joseph, D. Merritt, R. Olling, M. Valluri, R. Bender, the STIS IDT

Comments: 55 pages, 17 figures. Submitted to The Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[529] arXiv:astro-ph/0005531 [pdf, other]

Title: On-Orbit Performance of the Far Ultraviolet Spectroscopic Explorer (FUSE) Satellite

D. J. Sahnow, H. W. Moos, T. Ake, J. Andersen, B-G Andersson, M. Andre, D. Artis, A. Berman, W. Blair, K. Brownsberger, H. Calvani, P. Chayer, S. Conard, P. Feldman, S. Friedman, A. Fullerton, G. Gaines, W. Gawne, J. Green, M. Gummin, T. Jennings, J. B. Joyce, M. E. Kaiser, J. Kruk, D. Lindler, D. Massa, E. Murphy, W. Oegerle, R. Ohl, B. Roberts, M. Romelfanger, K. Roth, R. Sankrit, K. Sembach, R. Shelton, O. Siegmund, C. Silva, G. Sonneborn, S. Vaclavik, H. Weaver, E. Wilkinson

Comments: 8 pages, including 3 figures. This paper will appear in the FUSE special issue of ApJ Letters

Journal-ref: Astrophys.J.538:L7-L11,2000

Subjects: Astrophysics (astro-ph)

[530] arXiv:astro-ph/0005532 [pdf, other]

Title: EUVE Observations of Hercules X-1 During a Short High State Turn-On

D.A. Leahy, H. Marshall, D. Scott

Comments: 13 pages, 7 figures

Subjects: Astrophysics (astro-ph)

[531] arXiv:astro-ph/0005533 [pdf, other]

Title: Inflation with a Planck-scale frequency cutoff

J.C. Niemeyer

Comments: 8 pages

Journal-ref: Phys.Rev. D63 (2001) 123502

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

[532] arXiv:astro-ph/0005534 [pdf, other]

Title: An Emission-Line Search for Star-Forming Dwarf Galaxies Toward Abell 851

Crystal Martin (1), Jennifer Lotz (2), Henry C. Ferguson (3) ((1) Caltech, (2) JHU, (3) STScI)

Comments: 13 figures including one GIF image. Accepted for publication in the Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[533] arXiv:astro-ph/0005535 [pdf, other]

Title: On the Formation of Massive Stars by Accretion

Peder Norberg (University of Durham, U.K.), Andre Maeder (Observatoire de Geneve, Switzerland)

Comments: Latex, 11 pages, 5 figures, accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[534] arXiv:astro-ph/0005536 [pdf, other]

Title: Spectroscopic confirmation of clusters from the ESO imaging survey

M. Ramella, A. Biviano, W. Boschin, S. Bardelli, M. Scodeggio, S. Borgani, C. Benoist, L. da Costa, M. Girardi, M. Nonino, L.F. Olsen

Comments: To appear in A&A, main journal -- 12 pages, 9 figures

Subjects: Astrophysics (astro-ph)

[535] arXiv:astro-ph/0005537 [pdf, other]

Title: Constraints on Particle Acceleration from the Diffuse Isotropic Gamma-Ray Background

Karl Mannheim

Comments: 9 pages, 3 figures

Journal-ref: Astrophys.Space Sci.264:471-479,1998

Subjects: Astrophysics (astro-ph)

[536] arXiv:astro-ph/0005538 [pdf, other]

Title: Helioseismic determination of Beryllium neutrinos produced in the Sun

B. Ricci, F.L. Villante

Comments: 5 pages + 3 ps figures, LaTeX file with this http URL, submitted to Phys. Lett. B

Journal-ref: Phys.Lett. B488 (2000) 123-126

Subjects: Astrophysics (astro-ph)

[537] arXiv:astro-ph/0005539 [pdf, other]

Title: Pulsars in the Westerbork Northern Sky Survey

M. L. A. Kouwenhoven (Utrecht University)

Comments: 12 pages, 9 figures. Accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[538] arXiv:astro-ph/0005540 [pdf, other]

Title: Searches for Quasars at z > 5

Patrick S. Osmer (The Ohio State University)

Comments: Review presented at conference on "The HY-Redshift Universe: Galaxy Formation and Evolution at High Redshift," Berkeley, June, 1999, with an update to May, 2000 discussing new discoveries made after the meeting. 10 pages, 5 figures, this http URL

Journal-ref: ASP Conf. Series, 1999, vol. 193, p. 566

Subjects: Astrophysics (astro-ph)

[539] arXiv:astro-ph/0005541 [pdf, other]

Title: The flatness of the Universe is robust

Matts Roos, S. M. Harun-or-Rashid (University of Helsinki)

Comments: 3 pages, no figures, LaTeX2e

Subjects: Astrophysics (astro-ph)

[540] arXiv:astro-ph/0005542 [pdf, other]

Title: New exact solutions for inflationary cosmological perturbations

Jerome Martin, Dominik J. Schwarz

Comments: 12 pages, 5 figures, introduction improved, references added, accepted for publication in Phys. Lett. B

Journal-ref: Phys.Lett. B500 (2001) 1-7

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

[541] arXiv:astro-ph/0005543 [pdf, other]

Title: Tracking Extended Quintessence

Carlo Baccigalupi, Sabino Matarrese, Francesca Perrotta

Comments: 24 pages including 8 figures, final version to be published in Phys.Rev.D

Journal-ref: Phys.Rev. D62 (2000) 123510

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

[542] arXiv:astro-ph/0005544 [pdf, other]

Title: Two Ways of Biasing Galaxy Formation

Paolo Catelan (Caltech), Cristiano Porciani (Racah Institute), Marc Kamionkowski (Caltech)

Comments: 6 pages, added one figure and revised; MNRAS Pink Pages (in press), Latex file uses this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc. 318 (2000) 39

Subjects: Astrophysics (astro-ph)

[543] arXiv:astro-ph/0005545 [pdf, other]

Title: UV excess galaxies: Wolf-Rayet galaxies

Warren R. Brown, Scott J. Kenyon, Margaret J. Geller, Daniel G. Fabricant

Comments: 4 pages, including 4 figures. Uses AASTeX and this http URL. Includes referee changes

Journal-ref: Astrophys.J. 540 (2000) L83

Subjects: Astrophysics (astro-ph)

[544] arXiv:astro-ph/0005546 [pdf, other]

Title: Cosmic Intelligence and Black Holes

Vladimir A. Lefebvre, Yuri N. Efremov

Comments: 13 pages, accepted for publication at Zemlia i Vselennaya (Earth and Universe) for No.4, 2000

Journal-ref: Zemlya i Vselennaya (Earth and the Universe), 5 (2000) 69-83

Subjects: Astrophysics (astro-ph)

[545] arXiv:astro-ph/0005547 [pdf, other]

Title: A catalogue of symbiotic stars

K.Belczynski, J.Mikolajewska, U.Munari, R.J.Ivison, M.Friedjung

Comments: 32 pages, submitted to AAS

Subjects: Astrophysics (astro-ph)

[546] arXiv:astro-ph/0005548 [pdf, other]

Title: Discovery of 424 ms pulsations from the radio-quiet neutron star in the PKS 1209-52 supernova remnant

V. E. Zavlin (MPE), G. G. Pavlov (PSU), D. Sanwal (PSU), J. Truemper (MPE)

Comments: submitted to ApJ Letters

Subjects: Astrophysics (astro-ph)

[547] arXiv:astro-ph/0005549 [pdf, other]

Title: On the Optical Light Curves of Afterglows from Jetted Gamma-ray Burst Ejecta: Effects of Parameters

Y.F. Huang, Z.G. Dai, T. Lu (Nanjing University, China)

Comments: 8 pages, 10 embedded eps figures, MNRAS in press, using this http URL and this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc. 316 (2000) 943

Subjects: Astrophysics (astro-ph)

[548] arXiv:astro-ph/0005550 [pdf, other]

Title: Merging neutron stars: asymmetric systems

S. Rosswog, M.B. Davies, F.-K. Thielemann, T. Piran

Comments: 12 pages text, 8 figures, accepted for publication in Astronomy and Astrophysics

Journal-ref: Astron.Astrophys.360:171-184,2000

Subjects: Astrophysics (astro-ph)

[549] arXiv:astro-ph/0005551 [pdf, other]

Title: Towards global-phase-delay VLBI astrometry: observations of QSO 1150+812 and BL 1803+784

M.A.Perez-Torres, J.M. Marcaide, J.C. Guirado, E. Ros, I.I. Shapiro, M.I. Ratner, E. Sardon

Comments: 12 pages, 5 figures

Journal-ref: Astronomy & Astrophysics, 360, 161-170 (2000)

Subjects: Astrophysics (astro-ph)

[550] arXiv:astro-ph/0005552 [pdf, other]

Title: ISO detection of a 60micron source near GRB970508

L. Hanlon, R.J. Laureijs, L. Metcalfe, B. McBreen, B. Altieri, A. Castro-Tirado, A. Claret, E. Costa, M. Delaney, M. Feroci, F. Frontera, T. Galama, J. Gorosabel, P. Groot, J. Heise, M. Kessler, C. Kouveliotou, E. Palazzi, J. van Paradijs, L. Piro, N. Smith

Comments: Accepted for publication in Astronomy & Astrophysics

Journal-ref: Astron.Astrophys.359:941-947,2006

Subjects: Astrophysics (astro-ph)