Astrophysics

Authors and titles for May 1996

[101] arXiv:astro-ph/9605101 [pdf, other]

Title: CCD Photometry of the Globular Cluster M5. I. The Color-Magnitude Diagram and Luminosity Functions

Eric L. Sandquist, Michael Bolte (UCO/Lick Observatory), Peter B. Stetson (DAO/HIA/NRC)

Comments: AASTeX, 44 pages, uses this http URL, figures and tables only available from this http URL, ApJ, in press

Subjects: Astrophysics (astro-ph)

[102] arXiv:astro-ph/9605102 [pdf, other]

Title: Metal Enrichment and Ionization Balance in the Lyman $\alpha$ Forest at $z = 3$

Antoinette Songaila, Lennox L. Cowie (University of Hawaii, Institute for Astronomy)

Comments: 31 pages plus 5 tables, 21 Postscript figures, Figures 1 and 2 available at this http URL . To be published in Astronomical Journal

Journal-ref: Astron.J. 112 (1996) 335-351

Subjects: Astrophysics (astro-ph)

[103] arXiv:astro-ph/9605103 [pdf, other]

Title: Quantum fluctuations and CMB anisotropies in one-bubble open inflation models

Kazuhiro Yamammoto, Misao Sasaki, Takahiro Tanaka

Comments: 22 pages revtex file, 12 postscript figures, tarred, gzipped

Journal-ref: Phys.Rev.D54:5031-5048,1996

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

[104] arXiv:astro-ph/9605104 [pdf, other]

Title: Can the Simplest Two-Field Model of Open Inflation Survive?

Misao Sasaki, Takahiro Tanaka

Comments: 6 pages revtex file, 1 postscript figures, tarred, gzipped

Journal-ref: Phys.Rev.D54:4705-4708,1996

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

[105] arXiv:astro-ph/9605105 [pdf, other]

Title: Les Microlentilles Gravitationnelles

Andrew Gould

Comments: Four lectures given at College de France, Paris. 48 pages. Figures available separately

Subjects: Astrophysics (astro-ph)

[106] arXiv:astro-ph/9605106 [pdf, other]

Title: A deep ROSAT Survey - XII. The X-ray spectra of faint ROSAT sources

Omar Almaini, Tom Shanks, Brian J. Boyle, Richard E. Griffiths, Nathan Roche, Gordon C. Stewart, Ioannis Georgantopoulos

Comments: MNRAS Accepted. (References revised and updated). The preprint is also available at this http URL or this http URL

Subjects: Astrophysics (astro-ph)

[107] arXiv:astro-ph/9605107 [pdf, other]

Title: Beacons at the Gamma Ray Horizon

K. Mannheim, S. Westerhoff, H. Meyer, H.-H. Fink

Comments: 9 pages latex, postscript figures included; A&A

Journal-ref: Astron.Astrophys.315:77-85,1996

Subjects: Astrophysics (astro-ph)

[108] arXiv:astro-ph/9605108 [pdf, other]

Title: The Gamma Ray Burst Rate at High Photon Energies

Karl Mannheim, Dieter Hartmann, Burkhardt Funk

Comments: 9 pages latex, postscript figures included; To appear in The Astrophysical Journal, Vol. 467, Aug 20 issue (1996)

Journal-ref: Astrophys.J. 467 (1996) 532-536

Subjects: Astrophysics (astro-ph)

[109] arXiv:astro-ph/9605109 [pdf, other]

Title: Weak Gravitational Lensing around Field Galaxies in HST Survey Images

R. E. Griffiths, S. Casertano, M. Im, K. U. Ratnatunga (Johns Hopkins University)

Comments: To be published in MNRAS letters, 5 pages, 4 figures

Subjects: Astrophysics (astro-ph)

[110] arXiv:astro-ph/9605110 [pdf, other]

Title: NGC 4244: A Low Mass Galaxy with a Falling Rotation Curve and a Flaring Gas Layer

Rob P. Olling (Columbia University, New York; now at Southampton University, U.K.)

Comments: 30 pages LaTeX, uses aaspptwo style (439kByte). Includes 3 figures. Complete document including 16 figures (5.4 MByte) is available at this http URL or via anonymous ftp at this http URL, cd pub/olling/Paper_02 To be published in the Aug. 1996 issue of the Astronomical Journal

Subjects: Astrophysics (astro-ph)

[111] arXiv:astro-ph/9605111 [pdf, other]

Title: The Highly Flattened Dark Matter Halo of NGC 4244

Rob P. Olling (Columbia University, New York; now at Southampton University, U.K.)

Comments: 16 pages LaTeX, uses aaspptwo style (357kByte). Includes 3 figures. Complete paper, is also available at this http URL or via anonymous ftp at this http URL, cd pub/olling/Paper_03 To be published in the Aug. 1996 issue of the Astronomical Journal

Subjects: Astrophysics (astro-ph)

[112] arXiv:astro-ph/9605112 [pdf, other]

Title: A new chemo-evolutionary population synthesis model for early-type galaxies. I: Theoretical basis

A. Vazdekis (IAC), E. Casuso (IAC), R.F. Peletier (Groningen, IAC), J.E. Beckman (IAC)

Comments: 37 pages; includes 8 tables and 23 figures, accepted by the Astrophysical Journal Supplement. Fig. 11, can be obtained from this http URL

Journal-ref: Astrophys.J.Suppl.106:307,1996

Subjects: Astrophysics (astro-ph)

[113] arXiv:astro-ph/9605113 [pdf, other]

Title: An Excess of C IV Absorbers in Luminous QSOs: Evidence for Gravitational Lensing?

Daniel E. Vanden Berk, Jean M. Quashnock, Donald G. York, (Dept. of Astronomy and Astrophysics, U. Chicago), Brian Yanny (Fermilab)

Comments: 21 LaTeX pages with 5 encapsulated Postscript figures included, uses AASTeX (v. 4.0) available at this ftp URL , to appear in The Astrophysical Journal, Sept. 20, 1996

Journal-ref: Astrophys.J. 469 (1996) 78

Subjects: Astrophysics (astro-ph)

[114] arXiv:astro-ph/9605114 [pdf, other]

Title: IRAS FSC 15307+3252 -- Gravitationally Lensed Seyfert or Cannibal Elliptical at $z$ = 0.93?

Michael C. Liu, James R. Graham (UC Berkeley), Gillian S. Wright (JAC/UKIRT)

Comments: AASTeX, 24 pages (19 text and 5 Postscript figures). To appear in the October 20, 1996 issue of the Astrophysical Journal. Corrected orientation of figures and also object positions in Table 1

Subjects: Astrophysics (astro-ph)

[115] arXiv:astro-ph/9605115 [pdf, other]

Title: Multiphase Chemical Evolution in Elliptical Galaxies

Y. Fujita (YITP, Kyoto U.), J. Fukumoto (Cray), K. Okoshi (Osaka U.)

Comments: 23 pages, 18 EPS figures, 2 external tables, uses AASTeX style files, Accepted for publication in Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[116] arXiv:astro-ph/9605116 [pdf, other]

Title: Numerical Simulations of Standing Shocks in Accretion Flows around Black Holes: A Comparative Study

Diego Molteni, Dongsu Ryu, Sandip K. Chakrabarti

Comments: ApJ accepted, 16 pages with 7 figures, using this http URL available upon request to ryu@sirius.this http URL or from this http URL

Subjects: Astrophysics (astro-ph)

[117] arXiv:astro-ph/9605117 [pdf, other]

Title: Biasing in the Galaxy Distribution

C. Benoist, S. Maurogordato, L.N. da Costa, A. Cappi, R. Schaeffer

Comments: 29 pages including 5 figures (tarred, gzipped & uuencoded LaTeX & postscript files; postscript version including figures also available at this http URL ApJ, accepted for publication

Subjects: Astrophysics (astro-ph)

[118] arXiv:astro-ph/9605118 [pdf, other]

Title: The FIR/radio correlation in starburst galaxies - constraints on starburst models

U.Lisenfeld, H.J.Voelk, C.Xu (Max-Planck-Institut f. Kernphysik, Heidelberg, Germany)

Comments: 9 pages A&A tex, 10 postscript figures, accepted for publication in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[119] arXiv:astro-ph/9605119 [pdf, other]

Title: A new estimate of the extragalactic radio background and implications for ultra-high-energy gamma-ray propagation

R.J. Protheroe, P.L. Biermann

Comments: LaTeX, 21 pages, including 10 postscript figures, tar'd and gzip'd

Journal-ref: Astropart.Phys.6:45-54,1996; Erratum-ibid.7:181,1997

Subjects: Astrophysics (astro-ph)

[120] arXiv:astro-ph/9605120 [pdf, other]

Title: Dynamical Effects of Nuclear Rings in Disk Galaxies

C.H. Heller, I. Shlosman

Comments: 27 pages, 11 postscript figures included, latex using aastex 4.0, uuencoded compressed tar file, to appear in ApJ

Subjects: Astrophysics (astro-ph)

[121] arXiv:astro-ph/9605121 [pdf, other]

Title: Making Black Holes in Supernovae

S. E. Woosley, F. X. Timmes

Comments: 14 pages, uuencoded gzipped postscript, Accepted Nuclear Physics A, Gerry Brown Festschrift contribution

Journal-ref: Nucl.Phys. A606 (1996) 137-150

Subjects: Astrophysics (astro-ph)

[122] arXiv:astro-ph/9605122 [pdf, other]

Title: PSR J1518+4904: A Mildly Relativistic Binary Pulsar System

D. J. Nice (NRAO), R. W. Sayer, J. H. Taylor (Princeton)

Comments: 12 pages (including figures), AASTeX. To Appear in the Astrophysical Journal (Letters)

Subjects: Astrophysics (astro-ph)

[123] arXiv:astro-ph/9605123 [pdf, other]

Title: How Anisotropic is our Universe?

Emory. F. Bunn, Pedro Ferreira, Joseph Silk

Comments: 12 pages (1 figure), uses RevTex and psfig, submitted to PRL

Journal-ref: Phys.Rev.Lett.77:2883-2886,1996

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

[124] arXiv:astro-ph/9605124 [pdf, other]

Title: Gamma-ray Flares and VLBI Outbursts of Blazars

M.M. Romanova (Space Research Institute, Russian Academy of of Sciences, Moscow, Russia), R.V.E. Lovelace (Department of Astronomy, Cornell University, Ithaca, NY)

Comments: 11 pages, submitted to ApJ. 10 figures can be obtained from R. Lovelace by sending postal address to RVL1@cornell.edu

Journal-ref: Astrophys.J. 475 (1997) 97-105

Subjects: Astrophysics (astro-ph)

[125] arXiv:astro-ph/9605125 [pdf, other]

Title: X-ray and EUV Spectroscopy of the Boundary Layer Emission of Nonmagnetic Cataclysmic Variables

Christopher W. Mauche (Lawrence Livermore National Laboratory)

Comments: 7 pages, 5 postscript figures; LaTeX format, uses this http URL, this http URL, and this http URL. Changes limited to: included journal-ref, updated references, and incorporated figures into the manuscript with the epsf command

Journal-ref: 1997, in X-ray Imaging and Spectroscopy of Cosmic Hot Plasmas, ed. F. Makino and K. Mitsuda (Tokyo: Universal Academy Press), 529

Subjects: Astrophysics (astro-ph)

[126] arXiv:astro-ph/9605126 [pdf, other]

Title: Dynamical Mass Estimates of Large-Scale Filaments in Redshift Surveys

Daniel J. Eisenstein, Abraham Loeb, Edwin L. Turner

Comments: 21 pages, LaTeX with 6 figures included. Submitted to ApJ

Subjects: Astrophysics (astro-ph)

[127] arXiv:astro-ph/9605127 [pdf, other]

Title: The Nature of the Giant Outbursts in the Bursting Pulsar GRO J 1744-28

J.K. Cannizzo (USRA/NASA/GSFC)

Comments: 11 pages in .tex file, 4 Postscript figures, .tex file uses this http URL; Ap. J. L. 1996, in press

Subjects: Astrophysics (astro-ph)

[128] arXiv:astro-ph/9605128 [pdf, other]

Title: Geological Isotope Anomalies as Signatures of Nearby Supernovae

John Ellis, Brian D. Fields, David N. Schramm

Comments: 26 pages, 2 postscript figures. Uses AASTeX (version 4). To appear in Astrophys. J

Journal-ref: Astrophys.J.470:1227-1236,1996

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

[129] arXiv:astro-ph/9605129 [pdf, other]

Title: The X-ray spectral properties of X-ray selected AGN : ROSAT spectra of EMSS AGN

Paolo Ciliegi (1), Tommaso Maccacaro (2) ((1) Istituto di Radioastronomia CNR Bologna Italy, (2) Osservatorio Astronomico di Brera Milano Italy)

Comments: 8 pages LaTex file; this http URL macro (enclosed), 5 LaTex Tables, 12 Postscript figures; accepted for publication in MNRAS

Subjects: Astrophysics (astro-ph)

[130] arXiv:astro-ph/9605130 [pdf, other]

Title: Candidate Primeval Galaxies in the Hubble Deep Field

D.L. Clements (European Southern Observatory)W.J. Couch (School of Physics, University of New South Wales)

Comments: 5 pages + 4 postscript figures, MNRAS style, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 280 (1996) L43

Subjects: Astrophysics (astro-ph)

[131] arXiv:astro-ph/9605131 [pdf, other]

Title: Two New Planetary Nebulae Discovered in a Galaxy Search in the Southern Milky Way

R.C. Kraan-Korteweg (Observatoire de Paris-Meudon), A.P. Fairall, P.A. Woudt (UCT, Cape Town), G.C. Van de Steene (ESO, LaSilla)

Comments: A&A accepted, 7 pages, 3 tables, 2 postscript figures, 2 GIF figures, uses this http URL, full paper including ps-figures available upon request at this ftp URL (7.8Mb)

Subjects: Astrophysics (astro-ph)

[132] arXiv:astro-ph/9605132 [pdf, other]

Title: Open Universes from Finite Radius Bubbles

J. D. Cohn (University of California, Berkeley)

Comments: 15 pages, LaTeX and revtex macros, final version to appear in Physical Review D, typos and minor wording changes

Journal-ref: Phys.Rev. D54 (1996) 7215-7226

Subjects: Astrophysics (astro-ph)

[133] arXiv:astro-ph/9605133 [pdf, other]

Title: On the onset of the Jeans instability in a two-component fluid

J. P. M. de Carvalho, P. G. Macedo (Grupo de Cosmologia do C.A.U.P.)

Comments: 13 pages, 9 PostScript figures, uses this http URL

Journal-ref: Astron.Astrophys.299:326-338,1995

Subjects: Astrophysics (astro-ph)

[134] arXiv:astro-ph/9605134 [pdf, other]

Title: Time Dilation in the Light Curve of the Distant Type Ia Supernovae SN 1995K

B. Leibundgut (European Southern Observatory)et al

Comments: 5 pages, 2 PostScript figures, accepted for publication in the Astrophysical Journal Letters, PostScript version (including figures) available at this http URL

Journal-ref: Astrophys.J. 466 (1996) L21

Subjects: Astrophysics (astro-ph)

[135] arXiv:astro-ph/9605135 [pdf, other]

Title: Finite size effects on the galaxy number counts: evidence for fractal behavior up to the deepest scale

F. Sylos Labini, A. Gabrielli, M. Montuori, L. Pietronero

Comments: 42 Latex pages. Figures and macro are avaialable under request at sylos@roma1.this http URL

Journal-ref: Physica A226:195-242,1996

Subjects: Astrophysics (astro-ph)

[136] arXiv:astro-ph/9605136 [pdf, other]

Title: Detection of Strong Evolution in the Population of Early-Type Galaxies

Guinevere Kauffmann (MPA), Stephane Charlot (IAP), Simon D.M. White (MPA)

Comments: 11 pages including 3 postscript figures, accepted as Letter in MNRAS. Revised version contains important confirmation of our previous results from an independent sample of early-type galaxies selected by B-K colour from the Hawaii Deep Fields (Cowie et al 1996)

Subjects: Astrophysics (astro-ph)

[137] arXiv:astro-ph/9605137 [pdf, other]

Title: Red giant-disk encounters: Food for quasars?

P.J. Armitage, W.H. Zurek, M.B. Davies

Comments: 24 pages of LaTeX, including 10 of 11 figures. Uses this http URL. Colour versions of Fig. 4 (not included) are available at this http URL . ApJ in press

Subjects: Astrophysics (astro-ph)

[138] arXiv:astro-ph/9605138 [pdf, other]

Title: Microlensing Events from Measurements of the Deflection Angle

Jordi Miralda-Escude

Comments: submitted to ApJ Letters

Subjects: Astrophysics (astro-ph)

[139] arXiv:astro-ph/9605139 [pdf, other]

Title: Dust and gas in active galaxies

M. Villar-Martin

Comments: Ph.D. thesis, Figures in Introduction and 2nd Chapter available upon request, as well as PostScript versions of the 3 JPEG figures included

Subjects: Astrophysics (astro-ph)

[140] arXiv:astro-ph/9605140 [pdf, other]

Title: Gravitational Lensing of Gravitational Waves from Merging Neutron Star Binaries

Yun Wang, Albert Stebbins, Edwin L. Turner

Comments: REVTeX, 13 pages including 3 figures. Submitted to Phys. Rev. Lett

Journal-ref: Phys.Rev.Lett. 77 (1996) 2875-2878

Subjects: Astrophysics (astro-ph)

[141] arXiv:astro-ph/9605141 [pdf, other]

Title: Orbital Parameters of the PSR B1620-26 Triple System

Z. Arzoumanian, K. Joshi, F. A. Rasio, S. E. Thorsett

Comments: uses PASP LaTeX macros, 6 pages, to appear in IAU Colloquium 160, Pulsars: Problems and Progress, also available from this http URL

Subjects: Astrophysics (astro-ph)

[142] arXiv:astro-ph/9605142 [pdf, other]

Title: The Second Measurement of Anisotropy in the Cosmic Microwave Background Radiation at 0\fdg5 Scales near the Star Mu Pegasi

M. A. Lim (1,3), A. C. Clapp (1,2,4), M. J. Devlin (1,2,5), N. Figueiredo (1,3,7,8), J. O. Gundersen (1,3), S. Hanany (1,2), V. V. Hristov (1,2), A. E. Lange (1,4), P. M. Lubin (1,3), P. R. Meinhold (1,3), P. L. Richards (1,2), J. W. Staren (1,3), G. F. Smoot (1,2,6), and S. T. Tanaka (1,2) ((1)NSF Center for Particle Astrophysics, (2)Physics Department, University of California at Berkeley, (3) Physics Department, University of California at Santa Barbara, (4) present address: Department of Physics, California Institute of Technology, (5) present address: Department of Physics, Princeton University, (6) Physics Division, Lawrence Berkeley Laboratory, (7) Departamento de Física e Química, Escola Federal de Engenharia de Itajubá,(8) Divisão de Astrofísica, Instituto Nacional de Pesquisas Espaciais)

Subjects: Astrophysics (astro-ph)

[143] arXiv:astro-ph/9605143 [pdf, other]

Title: Metallicity Effects on RR Lyrae Variables

G. Bono, R. Incerpi, M. Marconi

Comments: postscript file of 14 pages and 4 figures; for any problem please write to bono@oat.this http URL

Subjects: Astrophysics (astro-ph)

[144] arXiv:astro-ph/9605144 [pdf, other]

Title: Galaxy Evolution in Abell 2390

R. G. Abraham, T. A. Smecker-Hane, J. B. Hutchings, R. G. Carlberg, H. K. C. Yee, E. Ellingson, S. Morris, J. B. Oke, M. Rigler

Comments: AAS LaTeX source (this http URL), 19 Encapsulated PostScript figures (Figure_*.tex), and 3 plano tables (Table_*.tex). Two figures (Figures 2 and 10) are large and have been reduced to low-resolution bitmaps to conserve bandwidth. A copy of the paper (1.5 MB gzipped tar file) with full-size figures is available at this ftp URL

Journal-ref: Astrophys.J. 471 (1996) 694-719

Subjects: Astrophysics (astro-ph)

[145] arXiv:astro-ph/9605145 [pdf, other]

Title: The galactic center arc as source of high-energy gamma-rays

Martin Pohl

Comments: 7 pages, accepted for publication in A&A

Journal-ref: Astron.Astrophys.317:441-447,1997

Subjects: Astrophysics (astro-ph)

[146] arXiv:astro-ph/9605146 [pdf, other]

Title: Simplified treatment of the radiative transfer problem in expanding envelopes

J. Gomez-Gomar, J. Isern (CEAB (CSIC), Spain)

Comments: 18 pages (LaTeX, prepared with AAS macros) + 6 figures in PostScript, Accepted by the Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[147] arXiv:astro-ph/9605147 [pdf, other]

Title: Determining Cosmological Parameters from the Microwave Background

Arthur Kosowsky (Harvard), Marc Kamionkowski (Columbia), Gerard Jungman (Syracuse), David N. Spergel (Princeton)

Comments: To appear in Proceedings of the UCLA Dark Matter '96 conference. 7 pages Revtex, 1 figure. Revised version includes recalculation for sensitivities corresponding to MAP and COBRAS/SAMBA, as well as slightly more specific discussion of these two experiments

Journal-ref: Nucl.Phys.Proc.Suppl. 51B (1996) 49-53

Subjects: Astrophysics (astro-ph)

[148] arXiv:astro-ph/9605148 [pdf, other]

Title: MACHO Project Photometry of RR Lyrae Stars in the Sgr Dwarf Galaxy

C. Alcock, R.A. Allsman, D.R. Alves, T.S. Axelrod, A. Becker, D.P. Bennett, K.H. Cook, K.C. Freeman, K. Griest, J.A. Guern, M.J. Lehner, S.L. Marshall, D. Minniti, B.A. Peterson, M.R. Pratt, P.J. Quinn, A.W. Rodgers, C.W. Stubbs, W. Sutherland, D.L. Welch (The MACHO Collaboration)

Comments: 15 pages including 4 PostScript figures, uses this http URL. Also available at this http URL or this http URL

Subjects: Astrophysics (astro-ph)

[149] arXiv:astro-ph/9605149 [pdf, other]

Title: Ferromagnetism of dense matter and magnetic properties of neutron stars

P. Haensel, S. Bonazzola

Comments: 8 pages, Latex, uses this http URL, this http URL. Two figures, this http URL, this http URL. To be published in Astronomy and Astrophysics

Journal-ref: Astron.Astrophys.314:1017-1023,1996

Subjects: Astrophysics (astro-ph)

[150] arXiv:astro-ph/9605150 [pdf, other]

Title: Gravitational waves from isolated neutron stars

E. Gourgoulhon, S. Bonazzola (DARC, CNRS, Observatoire de Paris)

Comments: 11 pages, 2 PostScript figures, to appear in the Proceedings of the International Conference on Gravitational Waves: Sources and Detectors, Cascina (Pisa), Italy --- March 19-23, 1996 (World Scientific, in press)

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