Astrophysics

Authors and titles for October 1996

[151] arXiv:astro-ph/9610151 [pdf, other]

Title: Another Collision for the Coma Cluster

A. Vikhlinin, W. Forman, C. Jones (CfA)

Comments: ApJ Letters, in press

Subjects: Astrophysics (astro-ph)

[152] arXiv:astro-ph/9610152 [pdf, other]

Title: Testing the effect of geodesic mixing with COBE data to Reveal the Curvature of the Universe

V.G. Gurzadyan, S. Torres

Comments: Text 5 pages, AA Latex style file, with 2 postscript figures. To appear in Astronomy and Astrophysics

Journal-ref: Astron.Astrophys.321:19-23,1997

Subjects: Astrophysics (astro-ph)

[153] arXiv:astro-ph/9610153 [pdf, other]

Title: Dynamical Models Of S0 And Sa Galaxies

Ezio Pignatelli, Giuseppe Galletta (Dept. of Astronomy, Padova, Italy)

Comments: To appear in "Dark and Visible Matter in Galaxies and Cosmological Implications," eds. M. Persic and P. Salucci, A.S.P. Conference Series.8 pages, 5 encapsulated postscript figures, LaTex, requires this http URL and this http URL

Subjects: Astrophysics (astro-ph)

[154] arXiv:astro-ph/9610154 [pdf, other]

Title: On inverse Cascades and Primordial Magnetic Fields

P. Olesen

Comments: 7 pages, LaTex. The title has been changed, and a new introduction has been included. No changes in any of the results. This paper has been accepted for publication in Physics Letters B

Journal-ref: Phys.Lett. B398 (1997) 321-325

Subjects: Astrophysics (astro-ph); Chaotic Dynamics (nlin.CD)

[155] arXiv:astro-ph/9610155 [pdf, other]

Title: Towards a Better Understanding of Active Galactic Nuclei

Paolo Padovani (Physics Department, II University of Rome)

Comments: 9 pages, 2 figures, LaTeX file, uses this http URL and this http URL. Invited Review at IAU Symposium 179 "New Horizons from Multiwavelength Sky Surveys", to be published in the proceedings. TeX and postscript files also available at this http URL

Subjects: Astrophysics (astro-ph)

[156] arXiv:astro-ph/9610156 [pdf, other]

Title: Simultaneous X-ray and gamma-ray observations of Cyg X-1 in the hard state by Ginga and OSSE

Marek Gierlinski, Andrzej A. Zdziarski, Chris Done, W. Neil Johnson, Ken Ebisawa, Yoshihiro Ueda, Francesco Haardt, Bernard F. Phlips

Comments: 7 pages, 4 figures, accepted to M.N.R.A.S

Journal-ref: Mon.Not.Roy.Astron.Soc. 288 (1997) 958-964

Subjects: Astrophysics (astro-ph)

[157] arXiv:astro-ph/9610157 [pdf, other]

Title: Radio Continuum Imaging of High Redshift Radio Galaxies

C.L. Carilli (NRAO), H.J.A. Rottgering, R. van Ojik, G.K. Miley (Leiden), W.J.M. van Breugel (LLNL)

Comments: ApJ (Supplement) (paper no. 33814)

Subjects: Astrophysics (astro-ph)

[158] arXiv:astro-ph/9610158 [pdf, other]

Title: Big-bang Nucleosynthesis: Is the Glass Half Full or Half Empty?

Michael S. Turner

Comments: 6 pages LaTeX with 1 eps Figure. To appear in New Astronomy, Discussion Forum section

Subjects: Astrophysics (astro-ph)

[159] arXiv:astro-ph/9610159 [pdf, other]

Title: The ejection of T Tauri stars from molecular clouds and the fate of circumstellar discs

P.J. Armitage (CITA), C.J. Clarke (IoA, Cambridge)

Comments: 8 pages, 3 figures, LaTeX using this http URL. Accepted by MNRAS. Also available in HTML format at this http URL

Subjects: Astrophysics (astro-ph)

[160] arXiv:astro-ph/9610160 [pdf, other]

Title: Search for correlations between COBE DMR and ROSAT PSPC All-Sky survey data

R. Kneissl (1), R. Egger (2), G. Hasinger (3), A.M. Soltan (4), J. Truemper (2) ((1) MPA, Garching (2) MPE, Garching (3) Astrophysik. Inst., Potsdam (4) Copernicus Astr. Cntr., Warsaw)

Comments: 12 pages, LaTeX file, 3 PS figures, uses this http URL and this http URL, accepted for publication in Astronomy and Astrophysics

Subjects: Astrophysics (astro-ph)

[161] arXiv:astro-ph/9610161 [pdf, other]

Title: Defocusing gravitational microlensing

Salvatore Capozziello, Ruggiero de Ritis, Vladimir Mank'o, Alma Angela Marino, Giuseppe Marmo

Comments: 19 pages, latex, submitted to Physica Scripta

Journal-ref: Phys.Scripta 56 (1997) 212-220

Subjects: Astrophysics (astro-ph)

[162] arXiv:astro-ph/9610162 [pdf, other]

Title: A Robust Determination of the Time Delay in 0957+561A,B and a Measurement of the Global Value of Hubble's Constant

Tomislav Kundic (Th. Astroph., Caltech), Edwin L. Turner, Wesley N. Colley, J. Richard Gott, III, James E. Rhoads, Yun Wang (Princeton), Louis E. Bergeron, Karen A. Gloria, Daniel C. Long (Apache Point Observ.), Sangeeta Malhotra (IPAC), Joachim Wambsganss (Astroph. Inst., Potsdam)

Comments: accepted by ApJ, AASTeX 4.0 preprint, 4 PostScript figures

Journal-ref: Astrophys.J. 482 (1997) 75

Subjects: Astrophysics (astro-ph)

[163] arXiv:astro-ph/9610163 [pdf, other]

Title: Shear and Ellipticity in Gravitational Lenses

C.R. Keeton, C.S. Kochanek, U. Seljak

Comments: 38 pages, 9 figures, submitted to ApJ

Journal-ref: Astrophys.J. 482 (1997) 604-620

Subjects: Astrophysics (astro-ph)

[164] arXiv:astro-ph/9610164 [pdf, other]

Title: The creation of multiple images by a gravitational wave

Valerio Faraoni (University of Victoria)

Comments: latex, 7 pages, no figures, to appear in Proceedings of the Pacific Conference on Gravitation and Cosmology, Seoul, Korea 1996

Journal-ref: Proceedings of the Pacific Conference on Gravitation and Cosmology, Seoul, Korea 1996, Y.M. Cho, C.H. Lee and S.-W. Kim eds. (World Scientific, Singapore, 1998)

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

[165] arXiv:astro-ph/9610165 [pdf, other]

Title: Some Integrated Properties of Galactic Globular Clusters

Sidney van den Bergh

Comments: To appear in the December 1996 Astronomical Journal; 16 pages plus 6 figures. Also available at this http URL

Subjects: Astrophysics (astro-ph)

[166] arXiv:astro-ph/9610166 [pdf, other]

Title: The Molecular Interstellar Medium in Ultraluminous Infrared Galaxies

P.M. Solomon (Stony Brook), D. Downes (IRAM), S.J.E. Radford (NRAO), J.W. Barrett (Stony Brook)

Comments: 34 pages LaTeX with this http URL, 14 Postscript figures, submitted to ApJ Higher quality versions of Figs 2a-f and 7a-c available by anonymous FTP from this ftp URL .

Journal-ref: Astrophys.J.478:144,1997

Subjects: Astrophysics (astro-ph)

[167] arXiv:astro-ph/9610167 [pdf, other]

Title: The galactic dynamo effect due to Parker-shearing instability of magnetic flux tubes. I. General formalism and the linear approximation

M. Hanasz (1), H. Lesch (2) ((1) Institute of Astronomy, Nicolaus Copernicus University, Torun, Poland, (2) University Observatory, Muenchen University, Muenchen, Germany)

Comments: LaTeX, 15 pages, 8 figures, uses this http URL and this http URL, minor corrections to match the published version, Published in Astronomy & Astrophysics, 321, 1007

Subjects: Astrophysics (astro-ph)

[168] arXiv:astro-ph/9610168 [pdf, other]

Title: The ESO Nearby Abell Cluster Survey. III. Distribution and Kinematics of Emission-Line Galaxies

A. Biviano, P. Katgert, A. Mazure, M. Moles, R. denHartog, J. Perea, P. Focardi

Comments: 23 LaTeX pages, 13 figures, to be published in A&A; uuencoded compressed ps file also available at this ftp URL

Subjects: Astrophysics (astro-ph)

[169] arXiv:astro-ph/9610169 [pdf, other]

Title: The rich cluster of galaxies ABCG 85.I. X-ray analysis

V. Pislar, F. Durret, D. Gerbal, G.B. Lima Neto, E. Slezak

Comments: 14 pages incl 16 postscript figures available, 4 tables, corrected stellar mass. Accepted for publication in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[170] arXiv:astro-ph/9610170 [pdf, other]

Title: A search for molecular gas in high redshift radio galaxies

R. van Ojik, H.J.A. Röttgering, P.P. van der Werf, G.K. Miley, C.L. Carilli, A. Visser, K.G. Isaak, M. Lacy, T. Jenness, J. Sleath, J. Wink

Comments: Accepted for AA, 9 pages, 6 figures

Subjects: Astrophysics (astro-ph)

[171] arXiv:astro-ph/9610171 [pdf, other]

Title: On the Evolution of the Globular Cluster Luminosity Function: The Differences

Oleg Y. Gnedin

Comments: 12 pages, 3 figures; submitted to ApJL. Also available at "this http URL

Subjects: Astrophysics (astro-ph)

[172] arXiv:astro-ph/9610172 [pdf, other]

Title: Non-Diffusive Propagation of Ultra High Energy Cosmic Rays

Gustavo A. Medina Tanco, Elisabete M. de Gouveia Dal Pino, Jorge E. Horvath

Comments: 13 pages, Plain TeX, 6 Figures, Submitted to Astrop. Physics

Journal-ref: Astropart.Phys.6:337-342,1997

Subjects: Astrophysics (astro-ph)

[173] arXiv:astro-ph/9610173 [pdf, other]

Title: Modified Cold-Dark-Matter models in light of 53W091 an old galaxy at high z

A. Kashlinsky (NORDITA, TAC Copenhagen), R. Jimenez (ROE)

Comments: in press ApJ Letters

Journal-ref: Astrophys.J. 474 (1997) L81

Subjects: Astrophysics (astro-ph)

[174] arXiv:astro-ph/9610174 [pdf, other]

Title: Non-Gaussian Spectra

Pedro G. Ferreira, Joao Magueijo

Comments: 23 pages (20 figures), uses RevTex and epsfig, submitted to PRD. Figures available from this ftp URL (in 4 files). Also, in same site, this http URL with it all (preferable)

Journal-ref: Phys.Rev.D55:3358-3372,1997

Subjects: Astrophysics (astro-ph)

[175] arXiv:astro-ph/9610175 [pdf, other]

Title: Integrated Near-Infrared Colors of Star Clusters: Analysis of the Stochastic Effects on the IMF

João F. C. Santos Jr., Jay A. Frogel (OSU)

Comments: 23 pages, AASTeX, 7 postscript figures, submitted to ApJ, revised version

Subjects: Astrophysics (astro-ph)

[176] arXiv:astro-ph/9610176 [pdf, other]

Title: Constraints on the VHE Emissivity of the Universe from the Diffuse GeV Gamma-Ray Background

P.S. Coppi (1), F.A. Aharonian (2) ((1) Yale University, (2) Max-Planck-Institut fuer Kernphysik)

Comments: 15 pages in AAS Latex v4.0 (including 4 postscript figures); shortened version submitted to Ap.J. Letters

Journal-ref: Astrophys.J. 487 (1997) L9-L12

Subjects: Astrophysics (astro-ph)

[177] arXiv:astro-ph/9610177 [pdf, other]

Title: Magnetized Iron Atmospheres for Neutron Stars

Mohan Rajagopal, Roger W. Romani, M. Coleman Miller

Comments: 18 pages with 5 eps figures, accepted for publication in ApJ Replaced due to clerical error only: one more author, no new content

Subjects: Astrophysics (astro-ph)

[178] arXiv:astro-ph/9610178 [pdf, other]

Title: A dynamical and kinematical model of the Galactic stellar halo and possible implications for galaxy formation scenarios

J. Sommer-Larsen (TAC), T.C. Beers (MSU), C. Flynn (Tuorla), R. Wilhelm (MSU), P. R. Christensen (NBI, TAC)

Comments: Latex, 16 pages. 2 postscript figures. Submitted to the Astrophysical Journal. also available at this http URL

Subjects: Astrophysics (astro-ph)

[179] arXiv:astro-ph/9610179 [pdf, other]

Title: The Core of the Great Attractor; Is it behind the Southern Milky Way?

P.A. Woudt (1), A.P. Fairall (1), R.C. Kraan-Korteweg (2) ((1) University of Cape Town, (2) Observatoire de Paris-Meudon)

Comments: To appear in "Dark and Visible Matter in Galaxies and Cosmological Implications," eds. M. Persic and P. Salucci, A.S.P. Conference Series. 7 pages, LaTex, 3 encapsulated postscript figures, requires this http URL and this http URL. Original figure 1 and 3 are available upon request.

Subjects: Astrophysics (astro-ph)

[180] arXiv:astro-ph/9610180 [pdf, other]

Title: Spectral Variability and iron line emission in the ASCA Observations of the Seyfert 1 Galaxy NGC4051

Matteo Guainazzi (1,2), Tatehiro Mihara (1), Chiko Otani (2), Masaru Matsuoka (2) ((1) Unita' G.I.F.C.O.-C.N.R., Palermo, Italy, (2) Cosmic Radiation Laboratory, RIKEN, Wako-shi, Japan)

Comments: 17 pages, latex, 12 figures. To be published in Publication of Astronomical Society of Japan

Subjects: Astrophysics (astro-ph)

[181] arXiv:astro-ph/9610181 [pdf, other]

Title: Substructure in the Globular Cluster System of the Milky Way

A. Burkert (MPIA), G. Smith (UCSC)

Comments: 15 pages LaTeX, 2 postscript figures. To appear in ApJ (Letters). See also this http URL

Subjects: Astrophysics (astro-ph)

[182] arXiv:astro-ph/9610182 [pdf, other]

Title: Magnetic fields in the disk and halo of M51

E.M. Berkhuijsen, C. Horellou, M. Krause, N. Neininger, A.D. Poezd, A. Shukurov, D.D. Sokoloff

Comments: 12 pages, A&A TeX, uses cp-aa; accepted for publication in A&A - the uploaded `short' version corresponds to that to be printed, but containing here only the four parts of Fig. 1. For the full (`electronic') version (24 pages, including Overlays and drawings) contact EBerkhuijsen@mpifrthis http URL

Subjects: Astrophysics (astro-ph)

[183] arXiv:astro-ph/9610183 [pdf, other]

Title: Complete power spectrum for an induced gravity open inflation model

Juan Garcia-Bellido, Andrew R Liddle

Comments: 12 pages RevTeX file with four figures incorporated (uses RevTeX and epsf). Also available by e-mailing ARL, or by WWW at this http URL Only change is additional references

Journal-ref: Phys. Rev. D 55, 4603 (1997)

Subjects: Astrophysics (astro-ph)

[184] arXiv:astro-ph/9610184 [pdf, other]

Title: Reddening and Star Formation in Starburst Galaxies

Daniela Calzetti (Space Telescope Science Institute)

Comments: 54 pages of text (Latex), 16 Figures (Postscript), and 8 Tables (Postscript). Accepted for publication on the Astronomical Journal, October 17, 1996

Journal-ref: Astron.J.113:162,1997

Subjects: Astrophysics (astro-ph)

[185] arXiv:astro-ph/9610185 [pdf, other]

Title: Nonlinear Evolution of the Genus Statistics with Zel'dovich Approximation

Naoki Seto, Jun'ichi Yokoyama, Takahiko Matsubara, Masaru Siino

Comments: 21 pages, 6 Postscript figures, LaTeX

Journal-ref: Astrophys.J. 110 (1997) 177

Subjects: Astrophysics (astro-ph)

[186] arXiv:astro-ph/9610186 [pdf, other]

Title: An Interstellar Conduction Front Within a Wolf-Rayet Ring Nebula Observed with the GHRS

Bram Boroson (JILA, University of Colorado), Richard McCray (JILA, University of Colorado), Christina Oelfke Clark (JILA, University of Colorado), Jonathan Slavin (NASA Goddard Space Flight Center), Mordecai-Mark Mac Low (Max-Planck-Institut), You-Hua Chu (University of Illinois), Dave Van Buren (IPAC, California Institute of Technology)

Comments: 32 pages, Latex, to appear in the Astrophysical Journal, April, 1997

Subjects: Astrophysics (astro-ph)

[187] arXiv:astro-ph/9610187 [pdf, other]

Title: The Cores of Dwarf Galaxy Halos

Julio F. Navarro (Steward Observatory, University of Arizona), Vincent R. Eke (Physics Department, University of Durham), Carlos S. Frenk (Physics Department, University of Durham)

Comments: PS file. 6 figures included. 531072 bytes. Accepted for publication in MNRAS Letters. Also available from this http URL . (File name: this http URL)

Subjects: Astrophysics (astro-ph)

[188] arXiv:astro-ph/9610188 [pdf, other]

Title: Cosmological Constraints from Rotation Curves of Disk Galaxies

Julio F. Navarro (Steward Observatory, University of Arizona)

Comments: minor revisions: updated references, bigger figures. Also available from this http URL. (File name: this http URL)

Subjects: Astrophysics (astro-ph)

[189] arXiv:astro-ph/9610189 [pdf, other]

Title: Cosmic Ray Acceleration at Relativistic Shock Waves

M. Ostrowski (Astronomical Observatory of the Jagiellonian University)

Comments: TeX, 11 pages + 6 postscript figures; a review to be published in Proc. ICRR Symposium on Extremely High Energy Cosmic Rays, ed. M. Nagano, Tanashi

Subjects: Astrophysics (astro-ph)

[190] arXiv:astro-ph/9610190 [pdf, other]

Title: Acceleration of UHE Cosmic Ray Particles at Relativistic Jets in Extragalactic Radio Sources

M. Ostrowski (Astronomical Observatory of the Jagiellonian University)

Comments: TeX, 5 pages + 4 postscript figures; to be published in Proc. ICRR Symposium on Extremely High Energy Cosmic Rays, ed. M. Nagano, Tanashi

Subjects: Astrophysics (astro-ph)

[191] arXiv:astro-ph/9610191 [pdf, other]

Title: Fast Cooling of Neutron Stars: Superfluidity vs. Heating and Accreted Envelope

Dany Page (Instituto de Astronomia, UNAM, Mexico)

Comments: 7 pages AASLatex v4.0 + 2 ps figures. Submitted to Ap. J. Lett. ONLY change in this revised version is a misprint in a citation

Journal-ref: Astrophys.J. 479 (1997) L43

Subjects: Astrophysics (astro-ph)

[192] arXiv:astro-ph/9610192 [pdf, other]

Title: Do dwarf spheroidal galaxies contain dark matter?

A. Burkert (MPIA, Heidelberg, Germany)

Comments: 14 pages LaTeX, 1 postscript figure. To appear in ApJ (Letters). See also this http URL

Subjects: Astrophysics (astro-ph)

[193] arXiv:astro-ph/9610193 [pdf, other]

Title: Reduction of Weak Interaction Rates in Neutron Stars by Nucleon Spin Fluctuations: Degenerate Case

Georg Raffelt, Thomas Strobel (Max-Planck-Institut fur Physik, Munich, Germany)

Comments: 5 pages, RevTex, no figures, to be published in PRD

Journal-ref: Phys.Rev.D55:523-527,1997

Subjects: Astrophysics (astro-ph)

[194] arXiv:astro-ph/9610194 [pdf, other]

Title: Velocity Dispersions and Mass-to-Light Ratios for 9 Globular Clusters in M31

P. Dubath (Geneva Observatory/ISDC), C. J. Grillmair (JPL)

Comments: LaTeX, 10 pages, 5 Postscript figures, uses this http URL and this http URL. Accepted for publication in A&A Main Journal

Subjects: Astrophysics (astro-ph)

[195] arXiv:astro-ph/9610195 [pdf, other]

Title: The influence of dynamical friction on the collapse of spherical density pertubation

A. Del Popolo (1), M. Gambera (1), V. Antonuccio-Delogu (2) ((1) Istituto di Astronomia di Catania, (2) Osservatorio Astrofisico di Catania)

Comments: 10 pages with 2 PostScript figures, Latex, accepted for the pubblication in Mem. Soc. Astr. Ital. (JENAM95)

Subjects: Astrophysics (astro-ph)

[196] arXiv:astro-ph/9610196 [pdf, other]

Title: Relic gravitational waves

R.A. Battye (Imperial), E.P.S. Shellard (DAMTP)

Comments: review article for proceedings of `Fundamental physics in space' conference Oct 95, 9 pages, single postscript file, also available at this http URL

Journal-ref: Class.Quant.Grav.13:A239-A246,1996

Subjects: Astrophysics (astro-ph)

[197] arXiv:astro-ph/9610197 [pdf, other]

Title: Small-angle anisotropies in the CMBR from active sources

R.A. Battye (Imperial)

Comments: 12 pages, 5 figures, also available at this http URL

Journal-ref: Phys.Rev. D55 (1997) 7361-7367

Subjects: Astrophysics (astro-ph)

[198] arXiv:astro-ph/9610198 [pdf, other]

Title: Detection and Characterization of Cold Interstellar Dust and PAH Emission from COBE Observations

E. Dwek, et al. (NASA/Goddard Space Flight Center)

Comments: 30 pages 5 figures, LateX aaspp4 style. To appear in the Feb 1 1997 issue of the Astrophysical Journal

Subjects: Astrophysics (astro-ph)

[199] arXiv:astro-ph/9610199 [pdf, other]

Title: The Faint End of the Galaxy Luminosity Function In Moderate Redshift Clusters

Gillian Wilson, Ian Smail, Richard S. Ellis, Warrick J. Couch

Comments: Corrupted Figure 3 replaced so paper now prints properly. Accepted for publication in MNRAS. 18 pages including 8 figures and 6 tables. Compressed postscript available at this ftp URL

Subjects: Astrophysics (astro-ph)

[200] arXiv:astro-ph/9610200 [pdf, other]

Title: Measurement of Galaxy Distances

Jeffrey A. Willick (Stanford University)

Comments: 39 pages, including encapsulated figures. To appear in "Formation of Structure in the Universe," A. Dekel and J. Ostriker, Eds., Cambridge University Press

Subjects: Astrophysics (astro-ph)