Astrophysics

Authors and titles for June 2000

[401] arXiv:astro-ph/0006401 [pdf, other]

Title: Bayesian Methods for Cosmological Parameter Estimation from Cosmic Microwave Background Measurements

Nelson Christensen, Renate Meyer

Comments: 6 pages, no figures

Subjects: Astrophysics (astro-ph)

[402] arXiv:astro-ph/0006402 [pdf, other]

Title: AstroMD. A multi-dimensional data analysis tool for astrophysical simulations

U. Becciani, V. Antonuccio-Delogu, C. Gheller, L. Calori, F. Buonomo, S. Imboden

Comments: 16 pages, 5 figures, submitted to IEEE CG&A

Subjects: Astrophysics (astro-ph)

[403] arXiv:astro-ph/0006403 [pdf, other]

Title: Gas flow in barred galaxies

E. Athanassoula

Comments: 6 pages, 2 figures, style file incl., to appear in the proceedings of an ESO/CTIO/LCO workshop "Stars, Gas and Dust in Galaxies : Exploring the Links", eds. Alloin, Olsen & Galaz (ASP Conf. Series)

Subjects: Astrophysics (astro-ph)

[404] arXiv:astro-ph/0006404 [pdf, other]

Title: Stellar Evolution with Rotation V: Changes in all the Outputs of Massive Star Models

Georges Meynet, Andre Maeder

Comments: accepted for publications in A&A

Journal-ref: Astron.Astrophys.361:101,2000

Subjects: Astrophysics (astro-ph)

[405] arXiv:astro-ph/0006405 [pdf, other]

Title: Stellar evolution with rotation VI: The Eddington and Omega-limits, the rotational mass loss for OB and LBV stars

Andre Maeder, Georges Meynet

Comments: Accepted for publication in A&A

Journal-ref: Astron.Astrophys.361:159-166,2000

Subjects: Astrophysics (astro-ph)

[406] arXiv:astro-ph/0006406 [pdf, other]

Title: SN 1998bw at late phases

Jesper Sollerman, Cecilia Kozma, Claes Fransson, Bruno Leibundgut, Peter Lundqvist, Felix Ryde, Patrick Woudt

Comments: With 3 figures Accepted for ApJ Letters

Journal-ref: Astrophys.J. 537 (2000) 127-130

Subjects: Astrophysics (astro-ph)

[407] arXiv:astro-ph/0006407 [pdf, other]

Title: Correlation Function of Galaxy Groups

Manuel E. Merchan, Marcio A. G. Maia, Diego G. Lambas

Comments: 9 figures, accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[408] arXiv:astro-ph/0006408 [pdf, other]

Title: The dusty SF history of distant galaxies and modelling tools

Gian Luigi Granato

Comments: six pages, no figures, invited review for Stars, Gas, and Dust in Galaxies (eds. D. Alloin, K. Olsen, and G. Galaz)

Subjects: Astrophysics (astro-ph)

[409] arXiv:astro-ph/0006409 [pdf, other]

Title: New star clusters projected close to the Galactic Centre

C.M. Dutra, E. Bica

Comments: manuscript in LATEX with 4 pages, 4 figures .ps Accepted for Astronomy and Astrophysics main journal

Subjects: Astrophysics (astro-ph)

[410] arXiv:astro-ph/0006410 [pdf, other]

Title: Some aspects of the chemical evolution of 4He in the Galaxy: the He/H abundance gradient and the Delta Y/Delta Z enrichment ratio

W. J. Maciel

Comments: 10 pages, 5 postscript figures, Latex, uses this http URL, this http URL, to be published in the proceedings of IAU Syposium 198, The light elements and their evolution, eds. L. da Silva, M. Spite, J. R. de Medeiros, ASP Conference Series, also available at this http URL

Subjects: Astrophysics (astro-ph)

[411] arXiv:astro-ph/0006411 [pdf, other]

Title: Exploring Halo Substructure with Giant Stars: I. Survey Description and Calibration of the Photometric Search Technique

Steven R. Majewski, James C. Ostheimer, William E. Kunkel, Richard J. Patterson

Comments: 46 pages, 14 figures To appear in October 2000 issue of The Astronomical Journal

Journal-ref: Astron.J.120:2550,2000

Subjects: Astrophysics (astro-ph)

[412] arXiv:astro-ph/0006412 [pdf, other]

Title: The Extraordinary `Superthin' Spiral Galaxy UGC7321. II. The Vertical Disk Structure

L. D. Matthews

Comments: Accepted to the Astronomical Journal; 27 pages, 12 figures, 2 tables; Fig. 12 is in color

Subjects: Astrophysics (astro-ph)

[413] arXiv:astro-ph/0006413 [pdf, other]

Title: Physical Conditions and Spatial Structure in the Molecular Interstellar Medium of M33

C. D. Wilson (McMaster University)

Comments: to appear in "The Interstellar Medium of M31 and M33", eds. Berkhuijsen and Beck; 8 pages, 5 postscript figures

Subjects: Astrophysics (astro-ph)

[414] arXiv:astro-ph/0006414 [pdf, other]

Title: Constraints on Type Ia Supernovae from Near Infrared Spectra

G. H. Marion, P. Hoeflich, J. C. Wheeler (University of Texas at Austin)

Comments: To appear in "The Seventh Texas-Mexico Conference on Astrophysics: Flows, Blows, and Glows," eds. W. Lee and S. Torres-Peimbert, RevMexAA (Serie de Conferencias), in press (2000). 4 pages, 1 figure

Subjects: Astrophysics (astro-ph)

[415] arXiv:astro-ph/0006415 [pdf, other]

Title: The Synthesis Telescope at the Dominion Radio Astrophysical Observatory

T. L. Landecker, P. E. Dewdney, T. A. Burgess, A. D. Gray, L. A. Higgs, A. P. Hoffmann, G. J. Hovey, D. R. Karpa, J. D. Lacey, N. Prowse, C. R. Purton, R. S. Roger, A. G. Willis, W. Wyslouzil, D. Routledge, J. F. Vaneldik

Comments: Accepted for publication by Astronomy and Astrophysics, Supplement Series

Subjects: Astrophysics (astro-ph)

[416] arXiv:astro-ph/0006416 [pdf, other]

Title: A spiral structure in the disk of EX Draconis on the rise to outburst maximum

Raymundo Baptista, M. S. Catalan

Comments: To appear in the Astrophysical Journal Letters; 8 pages, 2 figures; coded with AAS latex style

Journal-ref: Astrophys.J. 539 (2000) L55-L58

Subjects: Astrophysics (astro-ph)

[417] arXiv:astro-ph/0006417 [pdf, other]

Title: Dynamics of the Galaxy's Satellites

James Binney (Oxford Univ)

Comments: 7 pages to appear in 'Star2000 -- Dynamics of Star Clusters and the Milky Way' eds R. Spurzem & R. Wielen, PASP

Subjects: Astrophysics (astro-ph)

[418] arXiv:astro-ph/0006418 [pdf, other]

Title: Probing the gravitational well: No supernova explosion in spherical symmetry with general relativistic Boltzmann neutrino transport

Matthias Liebendoerfer (1,2,3), Anthony Mezzacappa (2,3), Friederich-Karl Thielemann (1,2), O. E. Bronson Messer (2,3,4), W. Raphael Hix (2,3,4), Stephen W. Bruenn (5) ((1) University of Basel, (2) Oak Ridge National Laboratory, (3) University of Tennessee, (4) Joint Institute for Heavy Ion Research, (5) Florida Atlantic University)

Comments: 16 pages including 9 figures, Phys. Rev. D (in press)

Journal-ref: Phys.Rev. D63 (2001) 103004

Subjects: Astrophysics (astro-ph)

[419] arXiv:astro-ph/0006419 [pdf, other]

Title: Optimal Supernova Search Strategies

Dragan Huterer, Michael S. Turner

Comments: 12 pages, 6 eps figures. To appear in Proceedings of "Sources and Detection of Dark Matter/Energy in the Universe", Marina Del Rey, Feb. 2000

Journal-ref: AIP Conf.Proc. 599 (2001) 140

Subjects: Astrophysics (astro-ph)

[420] arXiv:astro-ph/0006420 [pdf, other]

Title: Near-infrared probing of embedded structures in starburst and Seyfert galaxies

D. Greusard, D. Friedli, H. Wozniak, L. Martinet, P. Martin

Comments: 19 pages, 10 figures, accepted for publication in A&AS

Subjects: Astrophysics (astro-ph)

[421] arXiv:astro-ph/0006421 [pdf, other]

Title: Steep inflation: ending braneworld inflation by gravitational particle production

Edmund J Copeland, Andrew R Liddle, James E Lidsey

Comments: 5 pages RevTeX file; corrections include a change to the gravitational wave amplitude, which is now predicted to be detectable

Journal-ref: Phys.Rev. D64 (2001) 023509

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

[422] arXiv:astro-ph/0006422 [pdf, other]

Title: The Surroundings of Disturbed, Active Galaxies

Halton Arp

Comments: 14 pages, Figs. 1-28 jpg and gif files

Subjects: Astrophysics (astro-ph)

[423] arXiv:astro-ph/0006423 [pdf, other]

Title: Reflections on Gravity

Norbert Straumann (Institute for Theoretical Physics, University of Zurich)

Comments: Concluding talk at the ESA-CERN Workshop, CERN, 5-7 April 2000

Subjects: Astrophysics (astro-ph)

[424] arXiv:astro-ph/0006424 [pdf, other]

Title: Type Ia supernova rate at $z \sim 0.1$

D.Hardin, C.Afonso, C.Alard, J.N.Albert, A.Amadon, J.Andersen, R.Ansari, É.Aubourg, P.Bareyre, F.Bauer, J.P.Beaulieu, G.Blanc, A.Bouquet, S.Char, X.Charlot, F.Couchot, C.Coutures, F.Derue, R.Ferlet, J.F.Glicenstein, B.Goldman, A.Gould, D.Graff, M.Gros, J.Haissinski, J.C.Hamilton, J.de Kat, A.Kim, T.Lasserre, É.Lesquoy, C.Loup, C.Magneville, B.Mansoux, J.B.Marquette, É.Maurice, A.Milsztajn, M.Moniez, N.Palanque-Delabrouille, O.Perdereau, L.Prévot, N.Regnault, J.Rich, M.Spiro, A.Vidal-Madjar, L.Vigroux, S.Zylberajch, The EROS collaboration

Comments: 8 pages, 6 figures, accepted in A&A

Subjects: Astrophysics (astro-ph)

[425] arXiv:astro-ph/0006425 [pdf, other]

Title: Star formation in expanding shells

S. Ehlerova, J. Palous (Astronomical Institute, Academy of Sciences of the Czech Republic, Prague, Czech Republic)

Comments: 6 pages, the conference proceeding: Modes of Star Formation and the Origin of Field Populations, Heidelberg, October 9-13, 2000 replacement of astro-ph/0006425 (substantial changes)

Subjects: Astrophysics (astro-ph)

[426] arXiv:astro-ph/0006426 [pdf, other]

Title: On Physical Interpretation of the Poynting-Robertson Effect

Jozef Klacka

Subjects: Astrophysics (astro-ph)

[427] arXiv:astro-ph/0006427 [pdf, other]

Title: X-ray absorption and rapid variability of the dwarf Seyfert nucleus of NGC4395

K. Iwasawa, A.C. Fabian, O. Almaini, P. Lira, A. Lawrence, K. Hayashida, H. Inoue

Comments: 12 pages, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc.318:879,2000

Subjects: Astrophysics (astro-ph)

[428] arXiv:astro-ph/0006428 [pdf, other]

Title: Is the Galactic center populated with young star clusters?

Simon F. Portegies Zwart (BU)

Comments: 7 pages, with 2 postscript figures, to appear in Dynamics of Star Clusters and the Milky Way, eds. R. Spurzem et al. (ASP Conference Series)

Subjects: Astrophysics (astro-ph)

[429] arXiv:astro-ph/0006429 [pdf, other]

Title: Limits on isocurvature fluctuations from Boomerang and MAXIMA

Kari Enqvist, Hannu Kurki-Suonio, Jussi Valiviita (Helsinki)

Comments: 6 pages, 6 figures, Minor changes to match the Phys.Rev.D version

Journal-ref: Phys.Rev.D62:103003,2000

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

[430] arXiv:astro-ph/0006430 [pdf, other]

Title: Extremely red galaxies: age and dust degeneracy solved ?

L. Pozzetti, F. Mannucci

Comments: 5 pages including 4 figures, MNRAS, in press

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) L17

Subjects: Astrophysics (astro-ph)

[431] arXiv:astro-ph/0006431 [pdf, other]

Title: EISily looking for distant clusters of galaxies - - a new algorithm and its application to the EIS-wide data

C. Lobo, A. Iovino, D. Lazzati, G. Chincarini

Comments: Accepted for publication in A&A, 17 pages including 10 figures

Subjects: Astrophysics (astro-ph)

[432] arXiv:astro-ph/0006432 [pdf, other]

Title: Lensing Degeneracies Revisited

Prasenjit Saha (QMW, London)

Comments: To appear in AJ (circa Oct 2000)

Subjects: Astrophysics (astro-ph)

[433] arXiv:astro-ph/0006433 [pdf, other]

Title: Intrinsic colour calibration for F, G, K stars

Piercarlo Bonifacio (1), Elisabetta Caffau (2), Paolo Molaro (1) ((1) Osservatorio Astronomico di Trieste,(2) Istituto Magistrale S.P.P. e L. annesso al Convitto Nazionale Paolo Diacono, S. Pietro al Nat. Udine)

Comments: To be published in A&AS

Subjects: Astrophysics (astro-ph)

[434] arXiv:astro-ph/0006434 [pdf, other]

Title: Spectroscopic Gravitational Lens Candidates in the CNOC2 Field Galaxy Redshift Survey

Patrick B. Hall, H. K. C. Yee, Huan Lin, Simon L. Morris, Michael D. Gladders, R. G. Carlberg, David R. Patton, Marcin Sawicki, Charles W. Shepherd, Gregory D. Wirth

Comments: 15 pages, 4 figures, AJ in press

Subjects: Astrophysics (astro-ph)

[435] arXiv:astro-ph/0006435 [pdf, other]

Title: Distribution of dust from Kuiper belt objects

Nick N. Gorkavyi (1,4), Leonid M. Ozernoy (2,1), Tanya Taidakova (3), John C. Mather (4) ((1) NRC/NAS (2) GMU (3) CCS (4) NASA/GSFC)

Comments: Submitted to Planetary Space Sciences, 26 pages, incl. 1 table, 7 figures

Subjects: Astrophysics (astro-ph)

[436] arXiv:astro-ph/0006436 [pdf, other]

Title: CMB Observables and Their Cosmological Implications

Wayne Hu (IAS, Princeton), Masataka Fukugita, Matias Zaldarriaga (IAS, Princeton), Max Tegmark (U. Penn)

Comments: 12pages, 11figs. Version accepted in ApJ. Several typos fixed including eqns (13,A22)

Journal-ref: Astrophys.J.549:669,2001

Subjects: Astrophysics (astro-ph)

[437] arXiv:astro-ph/0006437 [pdf, other]

Title: Circular Polarization Induced by Scintillation in a Magnetized Medium

J.-P. Macquart, D.B. Melrose (U. Syd)

Comments: 16 pages, 1 figure, Phys. Rev. E, accepted

Subjects: Astrophysics (astro-ph)

[438] arXiv:astro-ph/0006438 [pdf, other]

Title: Monte Carlo Simulations of Star Clusters

Mirek Giersz (Nicolaus Copernicus Astronomical Center, Warsaw, Poland)

Comments: 6 papges, 2 figures, 1 table to appear in 'Dynamics of Star Clusters and the Milky Way' eds S. Deiters, B. Fuchs, A. Just, R. Spurzem, and R. Wielen

Subjects: Astrophysics (astro-ph)

[439] arXiv:astro-ph/0006439 [pdf, other]

Title: Probing the galactic center by gravitational lensing

S.Capozziello, G.Iovane, G.Lambiase, D.F.Torres

Comments: 4 pages, XXXV Rencontres de Moriond on Cosmological Physics with gravitational lensing, Les Arcs, on March 11-18 2000

Subjects: Astrophysics (astro-ph)

[440] arXiv:astro-ph/0006440 [pdf, other]

Title: Mixed quark-nucleon phase in neutron stars and nuclear symmetry energy

M. Kutschera, J. Niemiec

Comments: 12 pages, 16 figures, Phys. Rev. C in press

Journal-ref: Phys.Rev. C62 (2000) 025802

Subjects: Astrophysics (astro-ph)

[441] arXiv:astro-ph/0006441 [pdf, other]

Title: Confidence levels of evolutionary synthesis models

M. Cervino, V. Luridiana, F.J. Castander

Comments: 4 pages, 7 figures, A&A format

Journal-ref: A&A letters, 360, L5 (2000)

Subjects: Astrophysics (astro-ph)

[442] arXiv:astro-ph/0006442 [pdf, other]

Title: Chemical abundances in seven red giants of NGC 2360 and NGC 2447

S. Hamdani (1), P. North (1), N. Mowlavi (2), D. Raboud (2), J.-C. Mermilliod (1) ((1) Institut d'astronomie de l'Universite de Lausanne, Switzerland, (2) Observatoire de Geneve, Switzerland)

Comments: 11 pages, 8 figures, accepted for publication in Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[443] arXiv:astro-ph/0006443 [pdf, other]

Title: Gamma-ray loud quasars: a view with BeppoSAX

F. Tavecchio, L. Maraschi, G. Ghisellini, A. Celotti, L. Chiappetti, A. Comastri, G. Fossati, P. Grandi, E. Pian, G. Tagliaferri, A. Treves, C. M. Raiteri, R. Sambruna, M. Villata

Comments: 9 figures, accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[444] arXiv:astro-ph/0006444 [pdf, other]

Title: ISO deep far-infrared survey in the "Lockman Hole" II. Power spectrum analysis: evidence of a strong evolution in number counts

H. Matsuhara (1), K. Kawara (2), Y. Sato (1), Y. Taniguchi (3), H. Okuda (1), T. Matsumoto (1), Y. Sofue (2), K. Wakamatsu (4), L.L. Cowie (5), R.D. Joseph (5), D.B. Sanders (5) ((1)ISAS (2)University of Tokyo (3)Tohoku University (4)Gifu University (5)University of Hawaii)

Comments: 9 pages with 6 figures, accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[445] arXiv:astro-ph/0006445 [pdf, other]

Title: Double Inflation in Supergravity and the Boomerang Observations

Toshiyuki Kanazawa, Masahiro Kawasaki, Naoshi Sugiyama, T. Yanagida

Comments: 5 pages, including 2 figures

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

[446] arXiv:astro-ph/0006446 [pdf, other]

Title: Out of Equilibrium Fields in Self-consistent Inflationary Dynamics. Density Fluctuations

D. Boyanovsky, H. J. de Vega

Comments: Latex file, 60 pages, 14 figures in .eps files. To appear in the Proceedings of the VIIth. Erice Chalonge School on Astrofundamental Physics, N. S'anchez ed., Kluwer, Series C, 2000

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

[447] arXiv:astro-ph/0006447 [pdf, other]

Title: Orbital Dynamics of Triaxial Black-Hole Nuclei

M. Y. Poon, D. Merritt

Comments: Astrophysical Journal, Vol. 549, Number 1, Part 1, Page 192

Subjects: Astrophysics (astro-ph)

[448] arXiv:astro-ph/0006448 [pdf, other]

Title: Antimatter Regions in the Early Universe and Big Bang Nucleosynthesis

Hannu Kurki-Suonio, Elina Sihvola (Helsinki)

Comments: 15 pages, 9 figures. Minor changes to match the PRD version

Journal-ref: Phys.Rev. D62 (2000) 103508

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

[449] arXiv:astro-ph/0006449 [pdf, other]

Title: Accurate Determination of the Mass Distribution in Spiral Galaxies: II. Testing the Shape of Dark Halos

Sebastien Blais-Ouellette (1 and 2), Philippe Amram (2), Claude Carignan (1) ((1) Universite de Montreal, (2) Observatoire de Marseille)

Comments: 28 pages, accepted by AJ. New HI profile increases the compatibility of NGC 3109 rotation curve with MOND

Subjects: Astrophysics (astro-ph)

[450] arXiv:astro-ph/0006450 [pdf, other]

Title: The Dependence of the Galaxy Luminosity Function on Environment

Daniel Christlein (U of Arizona)

Comments: 34 pages, 10 figures; accepted for publication in the ApJ

Subjects: Astrophysics (astro-ph)