Astrophysics

Authors and titles for May 2000

[401] arXiv:astro-ph/0005403 [pdf, other]

Title: Multi-Read Out Data Simulator

J. D. Offenberg, R. J. Hanisch, D. J. Fixsen, H. S. Stockman, M. A. Nieto-Santisteban, R. Sengupta, J. C. Mather

Comments: Short paper plus source code for the MultiDataSim software

Subjects: Astrophysics (astro-ph)

[402] arXiv:astro-ph/0005404 [pdf, other]

Title: Removal of the calcium underabundance in cool metal rich Galactic disk dwarfs

Patrik Thoren

Comments: 3 pages, latex, 2 figures, Accepted for publication in A&A Letters

Subjects: Astrophysics (astro-ph)

[403] arXiv:astro-ph/0005405 [pdf, other]

Title: Asteroids in the Inner Solar System II - Observable Properties

N.W. Evans (Oxford), S.A. Tabachnik (Princeton)

Comments: 16 pages, 11 figures, Monthly Notices (in press). Higher quality figures available at this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc. 319 (2000) 80

Subjects: Astrophysics (astro-ph)

[404] arXiv:astro-ph/0005406 [pdf, other]

Title: Quintessence and CMB

James L. Crooks, James O. Dunn, Paul H. Frampton, Y. Jack Ng

Comments: 12 pp LaTeX and 6 postscript figures. Added refs; typo corrected

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

[405] arXiv:astro-ph/0005407 [pdf, other]

Title: Radio Properties of the Supernova Remnant N157B

J.S. Lazendic, J.R. Dickel, R.F. Haynes, P.A. Jones, G.L. White

Comments: 8 pages, 4 figures

Journal-ref: Astrophys.J. 540 (2000) 808

Subjects: Astrophysics (astro-ph)

[406] arXiv:astro-ph/0005408 [pdf, other]

Title: FUSE Spectroscopy of High Velocity Cloud Complex C

E. M. Murphy, K. R. Sembach (Johns Hopkins U.), B. K. Gibson, J. M. Shull (U. of Colorado), B. D. Savage (U. of Wisconsin), K. C. Roth, H. W. Moos (Johns Hopkins U.), J. C. Green (U. of Colorado), D. G. York (U. of Chicago), B. P. Wakker (U. of Wisconsin)

Comments: 6 pages, 3 figures, to appear in the FUSE Special Issue of ApJ Letters

Subjects: Astrophysics (astro-ph)

[407] arXiv:astro-ph/0005409 [pdf, other]

Title: Turbulence in the Solar Photosphere

K. Petrovay

Comments: 16 pages, 1 figure

Journal-ref: Space Sci. Rev. 95, 9-24 (2001)

Subjects: Astrophysics (astro-ph)

[408] arXiv:astro-ph/0005410 [pdf, other]

Title: How to fool CMB parameter estimation

William H. Kinney (University of Florida, Gainesville)

Comments: 14 pages, 8 color postscript figures

Journal-ref: Phys.Rev. D63 (2001) 043001

Subjects: Astrophysics (astro-ph)

[409] arXiv:astro-ph/0005411 [pdf, other]

Title: Dynamics of Cosmic Necklaces

Xavier Siemens, Xavier Martin, Ken D. Olum

Journal-ref: Nucl.Phys. B595 (2001) 402-414

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

[410] arXiv:astro-ph/0005412 [pdf, other]

Title: The Solar Core and Solar Neutrinos

Dallas C. Kennedy (U. of Florida)

Comments: 9 pages; 4 .eps figures; contribution to Carolina Symposium on Neutrino Physics; includes World Scientific this http URL macro

Subjects: Astrophysics (astro-ph)

[411] arXiv:astro-ph/0005413 [pdf, other]

Title: The Evolution of Magnetic Field and Spin Period of Accreting Neutron Stars

K.S. Cheng, C.M. Zhang

Comments: 16 pages, 1 figure, the revised version

Journal-ref: Astron.Astrophys. 361 (2000) 1001-1004

Subjects: Astrophysics (astro-ph)

[412] arXiv:astro-ph/0005414 [pdf, other]

Title: The Discovery of a Luminous z=5.80 Quasar from the Sloan Digital Sky Survey

X. Fan, R. L. White, M. Davis, R. H. Becker, M. A. Strauss, Z. Haiman, D. P. Schneider, M. D. Gregg, J. E. Gunn, G. R. Knapp, R. H. Lupton, et al

Comments: submitted to AJ, 20 pages, 3 figures

Journal-ref: Astron.J. 120 (2000) 1167-1174

Subjects: Astrophysics (astro-ph)

[413] arXiv:astro-ph/0005415 [pdf, other]

Title: Can EGRET's Gamma Ray Sources > 100 MeV Be Seen with Single Secondary Cosmic Muons from Gammas > 30 GeV?

J. Carpenter, S. Desch, T. F. Lin, J. Poirier, A. Roesch

Comments: 4 pages

Journal-ref: 26th ICRC, 2, 60 (2000)

Subjects: Astrophysics (astro-ph)

[414] arXiv:astro-ph/0005416 [pdf, other]

Title: Confirmation of a moving component in the H-alpha emission line of LSI+61303

R. Zamanov, J.Marti

Comments: 5 pages, 2 figures, 1 table; to appear in IAU Coll.175, ASP this http URL

Subjects: Astrophysics (astro-ph)

[415] arXiv:astro-ph/0005417 [pdf, other]

Title: Could the Unusual Optical Afterglow of GRB 000301c Arise from a Non-relativistic Shock with Energy Injection?

Z. G. Dai, T. Lu (Nanjing University)

Comments: 11 pages, LaTeX (this http URL)

Subjects: Astrophysics (astro-ph)

[416] arXiv:astro-ph/0005418 [pdf, other]

Title: The parallax distorsion via a weak microlensing effect

M.V. Sazhin, V.E. Zharov, T.A. Kalinina (Sternberg Astronomical Institute, Moscow State University)

Comments: 34 LaTeX pages, 12 PostScript figure (this http URL)

Journal-ref: Mon.Not.Roy.Astron.Soc. 323 (2001) 952

Subjects: Astrophysics (astro-ph)

[417] arXiv:astro-ph/0005419 [pdf, other]

Title: Antiprotons Annihilation in the Galaxy As A Source of Diffuse Gamma Background

Yu.A. Golubkov (1), M.Yu. Khlopov (2) ((1) Institute of Nuclear Physics, Moscow State University (2) Center for CosmoParticle Physics COSMION)

Comments: LaTeX2e, 18 pages, 3 PostScript figures. Submitted to this http URL

Journal-ref: Phys.Atom.Nucl. 64 (2001) 1821-1829; Yad.Fiz. 64 (2001) 1904-1912

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

[418] arXiv:astro-ph/0005420 [pdf, other]

Title: Galactic Observations at 31, 42 and 144~GHz with the Mobile Anisotropy Telescope

J.L. Puchalla, R. Caldwell, K.L. Cruz, M.J. Devlin, W.B. Dorwart, T. Herbig, A.D. Miller, M.R. Nolta, L.A. Page, E. Torbet, H.T. Tran

Comments: 11 pages, 4 postscript figures, Submitted to Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[419] arXiv:astro-ph/0005421 [pdf, other]

Title: Gamma-Ray Emissions from Pulsars: Spectra of the TEV Fluxes from Outer-Gap Accelerators

K. Hirotani (National Astronomical Observatory, Tokyo, Japan)

Comments: Revised to compute absolute TeV spectra (22 pages, 9 figures)

Journal-ref: Astrophys.J. 549 (2001) 495-508

Subjects: Astrophysics (astro-ph)

[420] arXiv:astro-ph/0005422 [pdf, other]

Title: ROSAT/ASCA Observations of a Serendipitous BL Lac Object PKS 2316-423: The Variable High-Energy Tail of Synchrotron Radiation

Sui-Jian Xue (1), You-Hong Zhang (2), Jian-Sheng Chen (1) ((1) Beijing Astronomical Observatory, CAS. (2) International School for Advanced Studies, SISSA/ISAS,Italy)

Comments: 12 pages, including 4 figures, to appear in ApJ, 2000 July 20

Subjects: Astrophysics (astro-ph)

[421] arXiv:astro-ph/0005423 [pdf, other]

Title: On cooling flows and the Sunyaev-Zel'dovich effect

Subhabrata Majumdar (IISc/IIA, India), Biman Nath (RRI, India)

Comments: Accepted for publication in ApJ. 12 pages (with 5 figures) (uses this http URL)

Subjects: Astrophysics (astro-ph)

[422] arXiv:astro-ph/0005424 [pdf, other]

Title: Near-infrared adaptive optics observations of galaxy clusters: Abell 262 at z=0.0157, J1836.3CR at z=0.414, and PKS 0743-006 at z=0.994

W. Hackenberg (MPE), A. Eckart, (Uni. of Cologne), R. I. Davies (MPE), S. Rabien (MPE), T. Ott (MPE), M. Kasper (MPIA), S. Hippler (MPIA), A. Quirrenbach (Uni. of California, San Diego)

Comments: 23 pages, 17 figures, accepted by A&A 15 May 2000

Subjects: Astrophysics (astro-ph)

[423] arXiv:astro-ph/0005425 [pdf, other]

Title: The role of NCO reaction chain on the He ignition in degenerate stellar structures

L. Piersanti (Universita' degli Studi di Napoli ``Federico II''), S. Cassisi (Osservatorio Astronomico di Teramo), A. Tornambe' (Osservatorio Astronomico di Teramo)

Comments: 4 pages, 1 this http URL appear in the Proceedings of "The Tenth workshop on Nuclear Astrophysics", Ringberg Castle, Tegernsee, Eds W. Hillebrandt and E. Muller Subj- class: Astrophysics

Subjects: Astrophysics (astro-ph)

[424] arXiv:astro-ph/0005426 [pdf, other]

Title: Spectroscopic confirmation of a white dwarf companion to the B star 16 Dra

Matt Burleigh, Martin Barstow (University of Leicester, UK)

Comments: Accepted for publication in A&A, 22nd May 2000

Subjects: Astrophysics (astro-ph)

[425] arXiv:astro-ph/0005427 [pdf, other]

Title: Stellar Populations in the Nucleus of NGC 6764

A. Eckart (Uni. of Cologne), E. Schinnerer (Caltech)

Comments: 8 pages, 2 figures, In the proceedings of a workshop on Massive Stellar Clusters held in Strasbourg Nov. 8-10,1999

Subjects: Astrophysics (astro-ph)

[426] arXiv:astro-ph/0005428 [pdf, other]

Title: Exhaustive Study of Cosmic Microwave Background Anisotropies in Quintessential Scenarios

Philippe Brax, Jerome Martin, Alain Riazuelo

Comments: 18 pages, 20 figures, submitted to PRD

Journal-ref: Phys.Rev. D62 (2000) 103505

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

[427] arXiv:astro-ph/0005429 [pdf, other]

Title: The discovery of quiescent X-ray emission from SAX J1808.4-3658, the transient 2.5ms pulsar

L. Stella, S. Campana, S. Mereghetti, D. Ricci, G.L. Israel

Comments: 5 pages plus 1 ps figure. Accepted for publication on ApJ Letters

Subjects: Astrophysics (astro-ph)

[428] arXiv:astro-ph/0005430 [pdf, other]

Title: An Overview of the SPOrt Experiment

Michele Orsini (1 and 2), Ettore Carretti (1), Stefano Cortiglioni (1) ((1) I.Te.S.R.E. - C.N.R., (2) Bologna University - Astronomy Dept.)

Comments: 9 pages, 4 Postscript figures; to be published in Gamov Memorial International Conference Proceedings, Astronomy and Astrophysical Transactions, v.20, 2000; SPOrt Project Home Page: this http URL

Subjects: Astrophysics (astro-ph)

[429] arXiv:astro-ph/0005431 [pdf, other]

Title: Discovery of a 6.4 keV Emission Line in a Burst from SGR 1900+14

Tod E. Strohmayer, Alaa I. Ibrahim

Comments: AASTex preprint, 14 pages, 3 embedded figures. Accepted for Publication in Astrophysical Journal Letters

Subjects: Astrophysics (astro-ph)

[430] arXiv:astro-ph/0005432 [pdf, other]

Title: The Robustness of Inflation to Changes in Super-Planck-Scale Physics

Robert H. Brandenberger, Jerome Martin

Comments: 4 pages, 1 figure. One important correction in the Corley/Jacobson case with b_m>0 and some misprints corrected. To appear in Mod. Phys. Lett. A

Journal-ref: Mod.Phys.Lett. A16 (2001) 999-1006

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

[431] arXiv:astro-ph/0005433 [pdf, other]

Title: X-Ray and Optical Variability in NGC 4051 and the Nature of Narrow-Line Seyfert 1 Galaxies

B.M. Peterson, I.M. McHardy, B.J. Wilkes, P. Berlind, R. Bertram, M. Calkins, S.J. Collier, J.P. Huchra, S. Mathur, I. Papadakis, J. Peters, R.W. Pogge, P. Romano, S. Tokarz, P. Uttley, M. Vestergaard, R.M. Wagner

Comments: 29 pages, 10 figures. accepted for publication in The Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[432] arXiv:astro-ph/0005434 [pdf, other]

Title: The Detection of Wind Variability in Magellanic Cloud O Stars

D. Massa (Raytheon ITSS), A.W. Fullerton (U. Victoria, JHU), J.B. Hutchings (DAO, Herzberg Inst. Ap.), D.C. Morton (DAO, Herzberg Inst. Ap.), G. Sonneborn (NASA's GSFC), A.J. Willis (UCL), L. Bianchi (JHU), K.R. Brownsberger (U. Colorado), P.A. Crowther (UCL), T.P. Snow (U. Colorado), D.G. York (U. Chicago)

Comments: 3 pages of text and 3 JPG figures. To be included in the FUSE ApJ Letters special issue

Subjects: Astrophysics (astro-ph)

[433] arXiv:astro-ph/0005435 [pdf, other]

Title: An Exploration of the Paradigm for the 2-3 Hour Period Gap in Cataclysmic Variables

Steve B. Howell, Lorne A. Nelson, Saul Rappaport

Comments: Accepted in ApJ

Journal-ref: Astrophys.J.550:897-918,2001

Subjects: Astrophysics (astro-ph)

[434] arXiv:astro-ph/0005436 [pdf, other]

Title: The (anti)correlation of the sub-mm and X-ray background sources

P. Severgnini

Comments: 3 pages, to appear in the proceedings of the Fourth Italian Conference on AGNs (MemSAIt)

Subjects: Astrophysics (astro-ph)

[435] arXiv:astro-ph/0005437 [pdf, other]

Title: Light Element Abundance Patterns in the Orion Association: I) HST Observations of Boron in G-dwarfs

K. Cunha, V. Smith, E. Parizot, D. Lambert

Comments: 16 pages + 1 table + 7 figures, accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[436] arXiv:astro-ph/0005438 [pdf, other]

Title: Spherically Symmetric Simulation with Boltzmann Neutrino Transport of Core Collapse and Post-Bounce Evolution of a 15 Solar Mass Star

M. Rampp, H.-Th. Janka (MPA, Garching, Germany)

Comments: 6 pages, LaTex, 3 encapsulated postscript figures, revised and shortened version. Astrophys. J., Letters, accepted

Journal-ref: Astrophys.J. 539 (2000) L33-L36

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

[437] arXiv:astro-ph/0005439 [pdf, other]

Title: Detecting Ultra High Energy Neutrinos by Upward Tau Airshowers and Gamma Flashes

Daniele Fargion (Physics Department, and INFN, Rome 1, <a href="http://Pl.A.Moro" rel="external noopener nofollow" class="link-external link-http">this http URL</a>,2, Italy)

Comments: 8 pages,4 Figs, DARK 2000 Conference in UCLA

Journal-ref: Sources and Detection of Dark Matter and Dark Energy in the Universe. February 23-25, 2000, California, USA. Edited by David B. Cline. Published by Springer-Verlag, Berlin, New York, ISBN 3-540-41216-6, p.516

Subjects: Astrophysics (astro-ph)

[438] arXiv:astro-ph/0005440 [pdf, other]

Title: Neutrino, Neutron, and Cosmic Ray Production in the External Shock Model of Gamma Ray Bursts

Charles D. Dermer (NRL)

Comments: 53 pages, 8 figures, ApJ, in press, 574, July 20, 2002. Substantial revision, previous Appendix expanded to ApJ, 556, 479; cosmic ray origin speculations to Heidelberg (astro-ph/001054) and Hamburg ICRC (astro-ph/0202254) proceedings

Journal-ref: Astrophys.J. 574 (2002) 65-87

Subjects: Astrophysics (astro-ph)

[439] arXiv:astro-ph/0005441 [pdf, other]

Title: Constraining the cosmic equation of state from old galaxies at high redshift

J. A. S. Lima (UFRN-Brazil), J. S. Alcaniz (UFRN-Brazil)

Comments: 4 pages, 1 figure, MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) 893

Subjects: Astrophysics (astro-ph)

[440] arXiv:astro-ph/0005442 [pdf, other]

Title: The Effect of the Cosmic Web on Cluster Weak Lensing Mass Estimates

Christopher A. Metzler (1), Martin White (1), Chris Loken (2) ((1) Harvard-Smithsonian Center for Astrophysics, (2) St. Mary's University Department of Physics and Astronomy)

Comments: 14 pages, 11 figures. LaTeX2e, uses this http URL and this http URL

Journal-ref: 2001, ApJ, 547, 560

Subjects: Astrophysics (astro-ph)

[441] arXiv:astro-ph/0005443 [pdf, other]

Title: Gamma-ray burst afterglows as probes of galactic and intergalactic dust

Rosalba Perna, Anthony Aguirre (Harvard-Smithsonian Center for Astrophysics)

Comments: 9 pages, 2 figures, ApJ in press

Subjects: Astrophysics (astro-ph)

[442] arXiv:astro-ph/0005444 [pdf, other]

Title: Properties of Cosmic Shock Waves in Large Scale Structure Formation

Francesco Miniati (1), Dongsu Ryu (2), Hyesung Kang (3), T. W. Jones (1), Renyue Cen (4), Jeremiah P. Ostriker (4) ((1) University of Minnesota, (2) Chungnam National University, (3) Pusan National University, (4) Princeton University Observatory)

Comments: 20 Pages, 11 figures, ApJ in press. Complete set of full resolution figures available at this http URL

Subjects: Astrophysics (astro-ph)

[443] arXiv:astro-ph/0005445 [pdf, other]

Title: Acceleration of CR at Large Scale Shocks and Their Cosmological Role for Structure Formation in the Universe

Francesco Miniati (1), Dongsu Ryu (2), T. W. Jones (1), Hyesung Kang (3) ((1) University of Minnesota, (2) Chungnam National University, (3) Pusan National University)

Comments: 4 pages, 1 figure. Contributed talk, to appear in Cosmic Evolution and Galaxy Formation: Structure, Interactions, and Feedback, ASP Conference Series, eds. J. Franco, E. Terlevich, O. Lopez-Cruz, I. Aretxaga

Subjects: Astrophysics (astro-ph)

[444] arXiv:astro-ph/0005446 [pdf, other]

Title: Neutrino Degeneracy and Decoupling: New Limits from Primordial Nucleosynthesis and the Cosmic Microwave Background

M. Orito, T. Kajino, G. J. Mathews, R. N. Boyd

Comments: Revised version submitted to ApJ

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

[445] arXiv:astro-ph/0005447 [pdf, other]

Title: Multi-wavelength Observations of Galaxies in the Southern Zone of Avoidance

A. Schroeder (1), R. C. Kraan-Korteweg (2), G. A. Mamon (3) ((1) OCA, France, (2) Univ. de Guanajuato, Mexico, (3) IAP, France)

Comments: 9 pages, 5 figures, Latex using this http URL; to appear in Mapping the Hidden Univese, ASP Conf. Ser., eds. R.C. Kraan-Korteweg, P.A. Henning, H. Andernach

Subjects: Astrophysics (astro-ph)

[446] arXiv:astro-ph/0005448 [pdf, other]

Title: The Enrichment History of the Intergalactic Medium: Measuring the CIV/HI Ratio in the Lyman Alpha Forest

Sara L. Ellison, Antoinette Songaila, Joop Schaye, Max Pettini

Comments: Accepted for publication by AJ. 10 pages of text plus 11 figures and 2 tables

Journal-ref: Astron.J.120:1175,2000

Subjects: Astrophysics (astro-ph)

[447] arXiv:astro-ph/0005449 [pdf, other]

Title: High Energy Physics and Quintessence

Philippe Brax, Jerome Martin

Comments: 4 pages, 2 figures. Contribution to the Proceedings of Moriond 2000 "Energy Densities in the Universe", Les Arcs, France, January 22-29 2000

Subjects: Astrophysics (astro-ph)

[448] arXiv:astro-ph/0005450 [pdf, other]

Title: ENEAR Redshift-Distance Survey: Cosmological Constraints

S. Borgani, M. Bernardi, L.N. da Costa, G. Wegner, M.V. Alonso, C.N.A. Willmer, P.S. Pellegrini, M.A.G. Maia

Comments: 5 pages, 2 figures, accepted for publication in ApJ Letters

Subjects: Astrophysics (astro-ph)

[449] arXiv:astro-ph/0005451 [pdf, other]

Title: Planet formation is unlikely in equal mass binary systems with a ~ 50 AU

Andrew F. Nelson (Max Planck Institute for Astronomy, Heidelberg Germany)

Comments: ApjL accepted. 11p including 3 figures. Color version of figure 1 available at this http URL Color bar error on BW version of fig1b fixed. All else the same

Journal-ref: Astrophys.J.537:L65-L68,2006

Subjects: Astrophysics (astro-ph)

[450] arXiv:astro-ph/0005452 [pdf, other]

Title: Overabundance of Calcium in the young SNR RX J0852$-$4622: evidence of over-production of $^{44}$Ti

Hiroshi Tsunemi, Emi Miyata, Bernd Aschenbach, Junko Hiraga, Daisuke Akutsu

Comments: 14 pages, 5figures, accepted for publication of PASJ

Journal-ref: Publ.Astron.Soc.Jap. 52 (2000) 887

Subjects: Astrophysics (astro-ph)