Astrophysics

Authors and titles for December 2000

[201] arXiv:astro-ph/0012201 [pdf, other]

Title: Conservative General Relativistic Radiation Hydrodynamics in Spherical Symmetry and Comoving Coordinates

Matthias Liebendoerfer, Anthony Mezzacappa, Friedrich-Karl Thielemann

Comments: 16 pages

Journal-ref: Phys.Rev. D63 (2001) 104003

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

[202] arXiv:astro-ph/0012202 [pdf, other]

Title: Cluster Mass Profiles from Weak Lensing II

Lindsay King (IAEF University of Bonn & MPA, Garching, Germany), Peter Schneider (IAEF University of Bonn & MPA, Garching, Germany)

Comments: 15 pages, Submitted to A&A

Journal-ref: Astron.Astrophys. 369 (2001) 1

Subjects: Astrophysics (astro-ph)

[203] arXiv:astro-ph/0012203 [pdf, other]

Title: Young Collapsed Supernova Remnants: Similarities and Differences in Neutron Stars, Black Holes, and More Exotic Objects

James S. Graber

Comments: 4 pages, submitted to conference proceedings "Young Supernova Remnants" Eds. Stephen S. Holt and Una Hwang

Subjects: Astrophysics (astro-ph)

[204] arXiv:astro-ph/0012204 [pdf, other]

Title: First Results from the Anglo-Australian Planet Search - A Brown Dwarf Candidate and a 51 Peg-like Planet

C.G. Tinney, R. Paul Butler, Geoffrey W. Marcy, Hugh R.A. Jones, Alan J. Penny, Steven S. Vogt, Kevin Apps, Gregory.W. Henry

Comments: 11 Pages, 3 Figures, 4 tables

Journal-ref: Astrophys.J.551:507,2001

Subjects: Astrophysics (astro-ph)

[205] arXiv:astro-ph/0012205 [pdf, other]

Title: Cosmological matter perturbations

Jiun-Huei Proty Wu (<a href="http://U.C.Berkeley" rel="external noopener nofollow" class="link-external link-http">this http URL</a>)

Comments: 28 pages, 10 figures

Subjects: Astrophysics (astro-ph)

[206] arXiv:astro-ph/0012206 [pdf, other]

Title: New method of extracting non-Gaussian signals

Jiun-Huei Proty Wu (<a href="http://U.C.Berkeley" rel="external noopener nofollow" class="link-external link-http">this http URL</a>)

Comments: 4 pages, 5 figures

Subjects: Astrophysics (astro-ph)

[207] arXiv:astro-ph/0012207 [pdf, other]

Title: Cluster abundance and large scale structure

Jiun-Huei Proty Wu (<a href="http://U.C.Berkeley" rel="external noopener nofollow" class="link-external link-http">this http URL</a>)

Comments: 11 pages, 8 figures MNRAS, in press (2001)

Journal-ref: Mon.Not.Roy.Astron.Soc. 327 (2001) 629

Subjects: Astrophysics (astro-ph)

[208] arXiv:astro-ph/0012208 [pdf, other]

Title: The DIRECT Project: Catalogs of Stellar Objects in Nearby Galaxies. I. The Central Part of M33

L.M. Macri, K.Z. Stanek, D.D. Sasselov, M. Krockenberger (CfA), J. Kaluzny (Copernicus Astronomical Center)

Comments: A copy of the paper with full-resolution embedded figures can be retrieved from this ftp URL . To appear in the February 2001 issue of the Astronomical Journal. v3: Replaced Table 2 with correct version. Included figures inside manuscript

Journal-ref: 2001, AJ, 121, 861

Subjects: Astrophysics (astro-ph)

[209] arXiv:astro-ph/0012209 [pdf, other]

Title: Superfluidity in Neutron Star Matter

U. Lombardo, H.-J. Schulze

Comments: Lecture notes of the workshop on "Physics of Neutron Star Interiors" held at the ECT*, June 2000. To be published in Lecture Notes in Physics, eds. D. Blaschke, N. K. Glendenning, and A. Sedrakian (Springer, 2001)

Journal-ref: Lect.Notes Phys.578:30-53,2001

Subjects: Astrophysics (astro-ph); Nuclear Theory (nucl-th)

[210] arXiv:astro-ph/0012210 [pdf, other]

Title: Helicity in Hydro and MHD Reconnection

Axel Brandenburg, Robert M. Kerr

Comments: 8 pages, 5 figs, (Quantized Vortex Dynamics and Superfluid Turbulence, Eds. C.F. Barenghi, R.J. Donnelly, W.F. Vinen

Journal-ref: Lect.Notes Phys. 571 (2001) 358-365

Subjects: Astrophysics (astro-ph)

[211] arXiv:astro-ph/0012211 [pdf, other]

Title: First Intrinsic Anisotropy Observations with the Cosmic Background Imager

S. Padin, J. K. Cartwright, B. S. Mason, T. J. Pearson, A. C. S. Readhead, M. C. Shepherd, J. Sievers, P. S. Udomprasert (Caltech), W. L. Holzapfel (UC Berkeley), S. T. Myers (NRAO), J. E. Carlstrom, E. M. Leitch (U. Chicago), M. Joy (NASA/Marshall), L. Bronfman, J. May (U. de Chile)

Comments: 5 pages including 2 figures. Corrected an error in the comparison with Boomerang and Maxima

Journal-ref: 2001, ApJ, 549, L1-L5

Subjects: Astrophysics (astro-ph)

[212] arXiv:astro-ph/0012212 [pdf, other]

Title: The Cosmic Background Imager

T. J. Pearson, B. S. Mason, S. Padin, A. C. S. Readhead, M. C. Shepherd, J. Sievers, P. S. Udomprasert, J. K. Cartwright (Caltech)

Comments: Contribution to IAU Symposium 201, `New Cosmological Data and the Values of the Fundamental Parameters', ed. Anthony Lasenby and Althea Wilkinson; 10 pages including 2 figures

Subjects: Astrophysics (astro-ph)

[213] arXiv:astro-ph/0012213 [pdf, other]

Title: Evidence for a Supermassive Black Hole in the S0 Galaxy NGC 3245

A.J. Barth, M. Sarzi, H.-W. Rix, L.C. Ho, A.V. Filippenko, W.L.W. Sargent

Comments: Revised version, accepted for publication in ApJ. 53 pages, including 20 figures and 2 tables

Subjects: Astrophysics (astro-ph)

[214] arXiv:astro-ph/0012214 [pdf, other]

Title: The MAP satellite mission to map the CMB anisotropy

Lyman Page

Comments: For the MAP team. 11 pgs 5 figs. Proc IAU Symposium 201 Eds A. Lasenby & A. Wilkinson

Subjects: Astrophysics (astro-ph)

[215] arXiv:astro-ph/0012215 [pdf, other]

Title: Temperature Structure of Four Merging Clusters Obtained with Chandra

M. Markevitch, A. Vikhlinin, P. Mazzotta, L. VanSpeybroeck (SAO)

Comments: 3 pages, 6 color PS figures. To appear in Proc. "X-ray astronomy 2000" (Palermo, September 2000), Eds. R. Giacconi, L. Stella, S. Serio, ASP Conf. Series

Subjects: Astrophysics (astro-ph)

[216] arXiv:astro-ph/0012216 [pdf, other]

Title: Evidence for a source size of less than 2000 AU in Quasar 2237+0305

Atsunori Yonehara (Dept. of Astronomy, Kyoto Univ. and JSPS fellow)

Comments: 11 pages, including 1 table and 3 figures, accepted to ApJL

Subjects: Astrophysics (astro-ph)

[217] arXiv:astro-ph/0012217 [pdf, other]

Title: On the origin of the Ca-Ti-Cr isotopic anomalies in the inclusion EK-1-4-1 of the Allende Meteorite

K.-L. Kratz (1), W. Boehmer (1), C. Freiburghaus (2), P. Moeller (3), B. Pfeiffer (1), T. Rauscher (2), F.-K. Thielemann (2) ((1) Inst. f. Kernchemie Mainz, (2) Dep. Physik Astronomie, Univ. Basel, (3) Theor. Div. Los Alamos Nat. Lab.)

Comments: 15 pages, 3 figures. Proc. Torino-Melbourne-Pasadena "Wasserburg" Workshop, U. Torino, 21-22 June 2000. For publication in this http URL

Subjects: Astrophysics (astro-ph)

[218] arXiv:astro-ph/0012218 [pdf, other]

Title: Helium-like ions as powerful X-ray plasma diagnostics

D. Porquet, R. Mewe, A.J.J Raassen, J.S. Kaastra, J. Dubau

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 (6 pages, 1 figure). This "replaced" version includes the this http URL corresponding to this conference

Subjects: Astrophysics (astro-ph)

[219] arXiv:astro-ph/0012219 [pdf, other]

Title: Luminosity function of clusters of galaxies

M. Paolillo (1 and 5), S. Andreon (1), G. Longo (1), E. Puddu (1), R. R. Gal (3), R. Scaramella (2), S.G. Djorgovski (3), R. de Carvalho (4) ((1) Osservatorio Astronomico di Capodimonte, (2) Osservatorio Astronomico di Monte Porzio, (3) Department of Astronomy - Caltech, (4) Observatorio Nacional, (5) Universita' di Palermo)

Comments: 15 pages, 14 figures, 4 tables; uses this http URL; accepted for publication in Astronomy and Astrophysics

Journal-ref: A&A, 367, 59 (2001)

Subjects: Astrophysics (astro-ph)

[220] arXiv:astro-ph/0012220 [pdf, other]

Title: Far Ultraviolet Spectra of B Stars near the Ecliptic

C. Morales (1), V. Orozco (1), J. F. Gomez (1), J. Trapero (1 and 2), A. Talavera (1), S. Bowyer (3), J. Edelstein (3), E. Korpela (3), M. Lampton (3), J. J. Drake (4) ((1) LAEFF-INTA, Madrid, Spain, (2) Univ. SEK, Segovia, Spain, (3) SSL-UCB, Berkeley, USA, (4) CfA, Cambridge, USA)

Comments: 25 pages, 6 figures, to be published in The Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[221] arXiv:astro-ph/0012221 [pdf, other]

Title: Investigating ULIRGs in the Near-Infrared: Imaging & Spectroscopy

R. Davies, A. Burston, M. Ward

Comments: to appear in `Starbursts Near and Far', held at Ringberg in Sept 2000

Subjects: Astrophysics (astro-ph)

[222] arXiv:astro-ph/0012222 [pdf, other]

Title: The microwave background temperature at the redshift of 2.33771

R. Srianand (IUCAA, Pune), Patrick Petitjean (IAP, Paris), Cedric Ledoux (ESO, Munich)

Comments: 20 pages, 5 figures, accepted for publication in Nature, Press embargo until 1900 hrs London time (GMT) on 20 Dec 2000

Subjects: Astrophysics (astro-ph)

[223] arXiv:astro-ph/0012223 [pdf, other]

Title: Helium-like triplet density diagnostics: Applications to CHANDRA--LETGS X-ray observations of Capella and Procyon

J. U. Ness, R. Mewe, J.H.M.M. Schmitt, A.J.J. Raassen, D. Porquet, J.S. Kaastra, R.L.J. van der Meer, V. Burwitz, P. Predehl

Comments: 13 pages, Latex, fitting program Cora available at this http URL accepted at A&A under MS10283

Subjects: Astrophysics (astro-ph)

[224] arXiv:astro-ph/0012224 [pdf, other]

Title: Variability in ultra cool dwarfs: evidence for the evolution of surface features

C.A.L. Bailer-Jones, R. Mundt (Max-Planck-Institut fuer Astronomie, Heidelberg, Germany)

Comments: Accepted to Astronomy & Astrophysics

Journal-ref: Astron.Astrophys.367:218-235,2001

Subjects: Astrophysics (astro-ph)

[225] arXiv:astro-ph/0012225 [pdf, other]

Title: Effective stability of the Trojan asteroids

Ch. Skokos (Research Center for Astronomy, Academy of Athens, Greece), A. Dokoumetzidis (School of Pharmacy, University of Athens, Greece)

Comments: 9 pages, 2 figures, Astronomy & Astrophysics in press

Subjects: Astrophysics (astro-ph)

[226] arXiv:astro-ph/0012226 [pdf, other]

Title: Cosmic Dust: The Ulysses perspective

Eberhard Grün, Harald Krüger, Markus Landgraf

Comments: Chapter for the book 'The heliosphere at solar minimum: The Ulysses perspective', eds. A. Balogh, R. Marsden, E. Smith, Springer Praxis, 2001; 35 pages, 16 figures

Subjects: Astrophysics (astro-ph)

[227] arXiv:astro-ph/0012227 [pdf, other]

Title: The Cannonball Model of Gamma Ray Bursts: Spectral and Temporal Properties of the Gamma Rays

Arnon Dar, Alvaro De Rújula

Comments: Submitted to Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[228] arXiv:astro-ph/0012228 [pdf, other]

Title: The Nature of Flat-Spectrum Nuclear Radio Emission in Seyfert Galaxies

C.G. Mundell (ARI, Liverpool John Moores University), A.S. Wilson (University of Maryland), J.S. Ulvestad (NRAO, Socorro)A.L. Roy (MPIfRA, Bonn)

Comments: 2 pages, 1 figure, to appear in proceedings of IAU Symposium 205: Galaxies and their Constituents at the Highest Angular Resolutions, Manchester UK, August 2000. To be published by ASP, edited by R. Schilizzi, S. Vogel, F. Paresce, M. Elvis

Subjects: Astrophysics (astro-ph)

[229] arXiv:astro-ph/0012229 [pdf, other]

Title: Subparsec-scale HI in the nucleus of NGC 4151

C.G. Mundell (ARI, Liverpool John Moores University), J.M. Wrobel (NRAO, Socorro), A. Pedlar (JBO, U.K.), J.F. Gallimore (NRAO, Charlottesville)

Comments: 2 pages, 1 figure, to appear in proceedings of IAU Symposium 205: Galaxies and their Constituents at the Highest Angular Resolutions, Manchester UK, August 2000. To be published by ASP, edited by R. Schilizzi, S. Vogel, F. Paresce, M. Elvis

Subjects: Astrophysics (astro-ph)

[230] arXiv:astro-ph/0012230 [pdf, other]

Title: The Gaseous Environment of Seyfert Galaxies

C.G. Mundell (ARI, Liverpool John Moores University)

Comments: 3 pages, 2 figures, to be published the in ASP conference proceedings of "Gas and Galaxy Evolution", eds. J.E. Hibbard, M.P. Rupen & J.H. van Gorkom

Subjects: Astrophysics (astro-ph)

[231] arXiv:astro-ph/0012231 [pdf, other]

Title: VLBI, MERLIN and HST observations of the giant radio galaxy 3C236

R.T.Schilizzi, W.W.Tian, J.E.Conway, R.Nan, G.K.Miley, P.D.Barthel, M.Normandeau, D.Dallacasa, L.I.Gurvits

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

Subjects: Astrophysics (astro-ph)

[232] arXiv:astro-ph/0012232 [pdf, other]

Title: Metallicity Gradients in X-ray Clusters of Galaxies

Sabrina De Grandi (1), Silvano Molendi (2) ((1) Osservatorio Astronomico di Brera - Milan, Italy, (2) Istituto di Fisica Cosmica, CNR - Milan, Italy)

Comments: 8 pages, 5 figure, 2 tables. ApJ in press

Subjects: Astrophysics (astro-ph)

[233] arXiv:astro-ph/0012233 [pdf, other]

Title: Neutralino Dark Matter and Caustic Ring Signals

Christofer Gunnarsson (Department of physics, Stockholm University)

Comments: 6 pages, 2 figures, contribution to the proceedings of the 3rd International Workshop on the Identification of Dark Matter (IDM2000) in York, in press

Subjects: Astrophysics (astro-ph)

[234] arXiv:astro-ph/0012234 [pdf, other]

Title: DarkSUSY - A numerical package for dark matter calculations in the MSSM

Paolo Gondolo, Joakim Edsjo, Lars Bergstrom, Piero Ullio, Edward A. Baltz

Comments: 6 pages, no figures. Contribution to the proceedings of the 3rd International Workshop on the Identification of Dark Matter (IDM2000) in York, in press

Subjects: Astrophysics (astro-ph)

[235] arXiv:astro-ph/0012235 [pdf, other]

Title: A new population of WIMPs in the solar system and indirect detection rates

Lars Bergstrom, Thibault Damour, Joakim Edsjo, Lawrence M. Krauss, Piero Ullio

Comments: 6 pages, 4 figures. Contribution to the proceedings of the 3rd International Workshop on the Identification of Dark Matter (IDM2000) in York, in press

Subjects: Astrophysics (astro-ph)

[236] arXiv:astro-ph/0012236 [pdf, other]

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

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

Comments: 6 pages, 3 figures, uses this http URL. To appear in the proceedings of "The New Era of Wide-Field Astronomy", Preston, UK, August 2000. A version of the poster also presented at this conference is available at this http URL

Subjects: Astrophysics (astro-ph)

[237] arXiv:astro-ph/0012237 [pdf, other]

Title: Runaway Collisions in Star Clusters

Simon F. Portegies Zwart (MIT), Junichiro Makino (Tokyo), Stephen L. W. McMillan (Drexel), Piet Hut (IAS)

Comments: 15 pages, to be published in 'Stellar Collisions, Mergers, and their Consequences', ASP Conference Series (ed. M. Shara)

Subjects: Astrophysics (astro-ph)

[238] arXiv:astro-ph/0012238 [pdf, other]

Title: ORFEUS echelle spectra: Molecular hydrogen in disk, IVC, and HVC gas in front of the LMC

Hartmut Bluhm (1), Klaas. S. de Boer (1), Ole Marggraf (1), Philipp Richter (1,2) ((1) Sternwarte der Universitaet Bonn, Germany, (2) Washburn Observatory, University of Wisconsin-Madison, USA)

Comments: 12 pages, 5 figures, accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[239] arXiv:astro-ph/0012239 [pdf, other]

Title: Helioseismology and solar neutrinos: an update

G. Fiorentini, B. Ricci, F.L. Villante

Comments: 7 pages with 6 eps figure included, LaTeX file with this http URL, to appear on the Proceedings of "EuroConference on Frontiers in Particle Astrophysics and Cosmology", San Feliu de Guixols, Spain, 30 September -5 October 2000

Journal-ref: Nucl.Phys.Proc.Suppl.95:116-122,2001

Subjects: Astrophysics (astro-ph)

[240] arXiv:astro-ph/0012240 [pdf, other]

Title: Sheared helical turbulence and the helicity constraint in large-scale dynamos

A. Bigazzi (1), A. Brandenburg (2 and 3), K. Subramanian (4) ((1) Department of Mathematics, Politecnico di Milano, Italy, (2) Nordita, Copenhagen, Denmark, (3) Mathematics Department, Univ. of Newcastle, UK, (4) National Centre for Radio Astrophysics - TIFR, India)

Comments: 8 pages, 3 figures. To be published in the Proceedings of the NATO Advanced Research Workshop, 'Dynamos and Dynamics: a mathematical challenge', August 21 - 26, 2000 Cargese, Corsica, ASI Nato series, Kluwer pub

Journal-ref: P.Chossat et al.(eds.), Dynamo and Dynamics, a Mathematical Challenge, 117-124, 2001. Kluver Ac. Pub.

Subjects: Astrophysics (astro-ph)

[241] arXiv:astro-ph/0012241 [pdf, other]

Title: The Optical Spectroscopic Evolution of V1974 Cygni (Nova Cygni 1992)

A. Moro-Martin (1), P.M. Garnavich (2), A. Noriega-Crespo (3) ((1) Steward Observatory, (2) University of Notre Dame, (3) SIRTF Science Center)

Comments: 14 text pages, 12 figures

Subjects: Astrophysics (astro-ph)

[242] arXiv:astro-ph/0012242 [pdf, other]

Title: Singular Isothermal Disks: II. Nonaxisymmetric Bifurcations and Equilibria

Daniele Galli, Frank H. Shu, Gregory Laughlin, Susana Lizano

Comments: 49 pages, 11 figures, LaTeX, needs this http URL. The Astrophysical Journal, in press

Subjects: Astrophysics (astro-ph)

[243] arXiv:astro-ph/0012243 [pdf, other]

Title: Low-latitude gamma-ray sources: correlations and variability

Gustavo E. Romero

Comments: 17 pages, 5 figures. Invited review at the Workshop on The Nature of Unidentified Galactic High-Energy Gamma-Ray Sources, Tonantzintla, October 2000. To be published by Kluwer

Subjects: Astrophysics (astro-ph)

[244] arXiv:astro-ph/0012244 [pdf, other]

Title: The Binary Origins of Hot Subdwarfs: New Radial Velocities

Rex A. Saffer, Elizabeth M. Green, Timothy P. Bowers

Comments: 4 pages, 2 included figures, to appear in the proceedings of the Twelfth European Workshop on White Dwarfs, June 2000, ASP Conference Series

Subjects: Astrophysics (astro-ph)

[245] arXiv:astro-ph/0012245 [pdf, other]

Title: Emission line imaging of QSOs with high resolution

J. B. Hutchings, S. L. Morris, D. Crampton (HIA, NRC of Canada)

Comments: 17 pages including 2 tables, 6 diagrams; to appear in AJ

Subjects: Astrophysics (astro-ph)

[246] arXiv:astro-ph/0012246 [pdf, other]

Title: On the Origin of Subdwarf B Stars and Related Metal-Rich Binaries

Elizabeth M. Green, James Liebert, Rex A. Saffer

Comments: 4 pages, to appear in the proceedings of the Twelfth European Workshop on White Dwarfs, June 2000, ASP Conference Series

Subjects: Astrophysics (astro-ph)

[247] arXiv:astro-ph/0012247 [pdf, other]

Title: Turbulent Velocity Structure in Molecular Clouds

Volker Ossenkopf (Uni. Cologne), Mordecai-Mark Mac Low (Amer. Mus. Natural History)

Comments: 21 pages, 24 figures, accepted by A&A, with some modifications, including change of claimed direct detection of dissipation scale to an upper limit

Subjects: Astrophysics (astro-ph)

[248] arXiv:astro-ph/0012248 [pdf, other]

Title: The Sunyaev-Zel'dovich Effect with the Cosmic Background Imager

P. S. Udomprasert, B. S. Mason, A. C. S. Readhead

Comments: 5 pages, 3 figures, to appear in Constructing the Universe with Clusters of Galaxies (IAP 2000 meeting, Paris), ed. F. Durret & D. Gerbal, in press

Subjects: Astrophysics (astro-ph)

[249] arXiv:astro-ph/0012249 [pdf, other]

Title: Clustering Segregation With UV Luminosity in Lyman-Break Galaxies at z~3 and Its Implications

Mauro Giavalisco, Mark Dickinson (Space Telescope Science Institute)

Comments: Corrected a few typos and added a reference. 36 pages, 8 figures, Latex, AAS macros, to appear on the Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[250] arXiv:astro-ph/0012250 [pdf, other]

Title: The Intracluster Medium in z > 1 Galaxy Clusters

S.A. Stanford, B. Holden, P. Rosati, P. Tozzi, S. Borgani, P.R. Eisenhardt, H. Spinrad

Comments: 4 pages in emulateapj style plus 2 color jpegs for Figure 3. Accepted by The Astrophysical Journal

Subjects: Astrophysics (astro-ph)