Astrophysics

Authors and titles for September 1994

[1] arXiv:astro-ph/9409001 [pdf, other]

Title: Transverse Velocities of Galaxies From Microlens Parallaxes

Andrew Gould

Comments: 15 pages, no figures, PostScript file, or request PostScript file to gould@payne.this http URL, OSU-TA-17/94

Subjects: Astrophysics (astro-ph)

[2] arXiv:astro-ph/9409002 [pdf, other]

Title: Microlensing Maps for the Galactic Bulge

N.W. Evans

Comments: 12 pages, Latex

Subjects: Astrophysics (astro-ph)

[3] arXiv:astro-ph/9409003 [pdf, other]

Title: The COBE Normalization for Standard CDM

E.F.Bunn, D.Scott, M.White

Comments: 4 pages compressed uuencoded postscript. We have corrected an error in our analysis

Subjects: Astrophysics (astro-ph)

[4] arXiv:astro-ph/9409004 [pdf, other]

Title: Electromagnetic Cascades and Cascade Nucleosynthesis in the Early Universe

R.J. Protheroe, T. Stanev, V.S. Berezinsky

Comments: compressed and uuencoded postscript. We now include a comparison with previous work of the photon spectrum in the cascade and the limits we calculate for the density of massive particles. The method of calculation of photon spectra at low energies has been improved. Most figures are revised. Our conclusions are substantially unchanged

Journal-ref: Phys.Rev.D51:4134-4144,1995

Subjects: Astrophysics (astro-ph)

[5] arXiv:astro-ph/9409005 [pdf, other]

Title: The 1-Point Cluster Distribution Function and its Moments

M.Plionis, R.Valdarnini

Comments: LaTex file. Submitted in MNRAS June 1994. Figures upon request

Subjects: Astrophysics (astro-ph)

[6] arXiv:astro-ph/9409006 [pdf, other]

Title: The Spatial Distribution, Kinematics, and Dynamics of the Galaxies in the Region of Abell 2634 and 2666

Marco Scodeggio, José M. Solanes, Riccardo Giovanelli, Martha P. Haynes

Comments: 52 pages (AAS LaTeX macro v3.0). 5 Tables and 18 Figures available on request. To appear in the ApJ. JMS-94-01

Subjects: Astrophysics (astro-ph)

[7] arXiv:astro-ph/9409007 [pdf, other]

Title: Spectroscopy of the Double Quasars Q1343+266AB: I. a New Determination of the Size of Lyman-Alpha Forest Absorbers

Jill Bechtold, Arlin P.S. Crotts, Robert C. Duncan, Yihu Fang

Comments: (9 pages, Accepted to Ap. J. Letters) 9294

Subjects: Astrophysics (astro-ph)

[8] arXiv:astro-ph/9409008 [pdf, other]

Title: Spectroscopy of the Double Quasars Q1343+264 Ab: II. the Relationship between Galaxies Ans QSO C~IV Absorption Lines -

Arlin P.S. Crotts, Jill Bechtold, Yihu Fang, Robert C. Duncan

Comments: (8 pages, Accepted by Ap. J Letters) 9295

Subjects: Astrophysics (astro-ph)

[9] arXiv:astro-ph/9409009 [pdf, other]

Title: Generalized Van Cittert Zernike Theorem in Curved Spacetime - Some Astrophysical Applications

G. Hazak, R. Zamir

Comments: \thanks{\it Submitted to ApJ.} } \maketitle

Subjects: Astrophysics (astro-ph)

[10] arXiv:astro-ph/9409010 [pdf, other]

Title: Limits on possible magnetic fields at nucleosynthesis time

D. Grasso, H.R. Rubistein

Comments: 13 pages in standard LaTex + 4 uuencoded figures in separeted files, Uppsala UUITP 14/1994

Journal-ref: Astropart.Phys.3:95-102,1995

Subjects: Astrophysics (astro-ph)

[11] arXiv:astro-ph/9409011 [pdf, other]

Title: The Shapes of Galaxy Clusters

P.A.M. de Theije, P. Katgert, E. van Kampen

Comments: 17 pages, postscript, submitted to MNRAS

Subjects: Astrophysics (astro-ph)

[12] arXiv:astro-ph/9409012 [pdf, other]

Title: Rapid Stochastic Acceleration of Protons to Energies Above 100~TeV in the Accretion Column Of Hercules X-1

P. A. Johnson

Comments: 14 pages of uuencoded compressed postscript including 10 figures, accepted by Astroparticle Physics, ADP-AT-94-8

Subjects: Astrophysics (astro-ph)

[13] arXiv:astro-ph/9409013 [pdf, other]

Title: Star Formation in Dwarf Irregular Galaxies: NGC 6822

G. Marconi, M. Tosi, L. Greggio, P. Focardi

Comments: plain Tex format; for hardcopy of figures and tables 2 and 3 contact Tosi@astbo3.this http URL; BAP 09-1994-023-DDA

Subjects: Astrophysics (astro-ph)

[14] arXiv:astro-ph/9409014 [pdf, other]

Title: Models of Galaxies with Central Black Holes: Simulation Methods

Steinn Sigurdsson, Lars Hernquist, Gerald D. Quinlan

Comments: 17 pages (incl. 11 figure) uuencoded postscript, Lick Preprint Series No. 35

Subjects: Astrophysics (astro-ph)

[15] arXiv:astro-ph/9409015 [pdf, other]

Title: Testing the Accuracy of Redshift Space Group Finding Algorithms

James J. Frederic

Comments: 27 pages + 15 figures, AASTeX, ApJS accepted. Compressed postscript figures available in this ftp URL. CSR-94-20

Subjects: Astrophysics (astro-ph)

[16] arXiv:astro-ph/9409016 [pdf, other]

Title: Assessing the Accuracy of Masses and Spatial Correlations of Galaxy Groups

James J. Frederic

Comments: 20 pages + 3 figures, AASTeX, ApJS accepted. Compressed postscript figures available in this ftp URL. CSR-94-21

Subjects: Astrophysics (astro-ph)

[17] arXiv:astro-ph/9409017 [pdf, other]

Title: Gravitational Collapse of Small-Scale Structure as the Origin of the Lyman Alpha Forest

Renyue Cen, Jordi Miralda-Escude, Jeremiah P. Ostriker, Michael Rauch (Princeton University Observatory, Princeton, NJ USA)

Comments: 15p postscript file to appear in The Astrophysical Journal Letters (1994)

Journal-ref: Astrophys.J. 437 (1994) L9

Subjects: Astrophysics (astro-ph)

[18] arXiv:astro-ph/9409018 [pdf, other]

Title: Thermal Equilibria of Accretion Disks

Marek A. Abramowicz, Xingming Chen, Shoji Kato, Jean-Pierre Lasota, Oded Regev

Comments: Submitted to ApJL July 1994. PS file, 8 Pages; 3 Figs available upon request

Journal-ref: Astrophys.J. 438 (1995) L37

Subjects: Astrophysics (astro-ph)

[19] arXiv:astro-ph/9409019 [pdf, other]

Title: Variability of Accretion Disks Surrounding Black Holes ----- the Role of Inertial-Acoustic Mode Instabilities

Xingming Chen, Ronald E. Taam (Northwestern University)

Comments: Submitted to ApJ, June 1994. PS file, 20 Pages; 9 Figs available upon request. Report#1234567890

Subjects: Astrophysics (astro-ph)

[20] arXiv:astro-ph/9409020 [pdf, other]

Title: An Arcminute Resolution Search at 4.7CM^-1 for Point Sources in Msam and Max Fields

S.E. Church, P.D. Mauskopf, P.A.R. Ade, M.J. Devlin, W.L. Holzapfel, T.M. Wilbanks, A.E. Lange

Comments: compressed uuencoded postscript, 16 pages including 4 figures, submitted to ApJ, SuZIE-94-1

Subjects: Astrophysics (astro-ph)

[21] arXiv:astro-ph/9409021 [pdf, other]

Title: A New Parallel N-body Gravity Solver: TPM

Guohong Xu

Comments: 21 Pages Latex file Figures available from anonymous ftp to this http URL under /xu/tpm.ps, POP-579

Subjects: Astrophysics (astro-ph)

[22] arXiv:astro-ph/9409022 [pdf, other]

Title: Microlensing by the Galactic Bar

HongSheng Zhao (1), David N. Spergel (2), R. Michael Rich (1) ((1) Columbia U., (2) Princeton U.)

Comments: 15 pages, 2 figures

Journal-ref: Astrophys.J. 440 (1995) L13

Subjects: Astrophysics (astro-ph)

[23] arXiv:astro-ph/9409023 [pdf, other]

Title: New observational limits on dynamo saturation in young solar-type stars

Mark A. O'Dell, Peter M. Panagi, Martin A. Hendry, Andrew Collier-Cameron (University of Sussex, Brighton BN1 9QH)

Comments: Plain Latex version 3.1, 7 pages, Sussex-AST-94/9-1

Subjects: Astrophysics (astro-ph)

[24] arXiv:astro-ph/9409024 [pdf, other]

Title: Signatures of Bulge Triaxiality from Kinematics in Baade's Window/

HongSheng Zhao, D.N.Spergel, R.M.Rich

Comments: appear in AJ.,24p,PostScript,Columbia&Princeton preprint

Subjects: Astrophysics (astro-ph)

[25] arXiv:astro-ph/9409025 [pdf, other]

Title: A Search for the Radio Counterpart to the March 1, 1994 Gamma Ray Burst

Frail, Kulkarni, Hurley, Fishman, Kouveliotou, Meegan, Sommer, Boer, Niel, Cline

Comments: 9 pages, postscript. ApJ(Letters) submitted. Hardcopies of paper with figures available on request from dfrail@nrao.edu. Report 002

Subjects: Astrophysics (astro-ph)

[26] arXiv:astro-ph/9409026 [pdf, other]

Title: Implications on the Ionizing Background Radiation from HST Heii Gunn-Peterson Test

Shin Sasaki, Fumio Takahara

Comments: 8 pages, TIT/HEP-269/COSMO-48

Subjects: Astrophysics (astro-ph)

[27] arXiv:astro-ph/9409027 [pdf, other]

Title: A Spherical Harmonic Analysis of Redshift Space

A.F. Heavens, A.N. Taylor

Comments: (afh@roe.this http URL,ant@roe.this http URL) 23 pages, uuencoded, compressed postscript

Journal-ref: Mon.Not.Roy.Astron.Soc.275:483-497,1995

Subjects: Astrophysics (astro-ph)

[28] arXiv:astro-ph/9409028 [pdf, other]

Title: HST Images of Nearby Luminous Quasars

John N. Bahcall, Sofia Kirhakos, Donald P. Schneider

Comments: Compressed, uuencoded postscript file. Institute for Advanced Study number AST 94/45

Journal-ref: Astrophys.J. 435 (1994) L11-L14

Subjects: Astrophysics (astro-ph)

[29] arXiv:astro-ph/9409029 [pdf, other]

Title: A cosmological test with compact radio sources

R.Kayser

Comments: 3 pages, uuencoded PostScript file, HH-GRAL-RK-940913

Journal-ref: Astron.Astrophys.294:L21-L23,1995

Subjects: Astrophysics (astro-ph)

[30] arXiv:astro-ph/9409030 [pdf, other]

Title: Moments of the Cluster Distribution as a Test of Dark Matter Models

M.Plionis, S.Borgani, L.Moscardini, P.Coles

Comments: 11 pages + 1 figure, uuencoded compressed postscript, ApJ Letters in press. Replaced because results are changed for the $Λ$CDM model

Journal-ref: Astrophys.J. 441 (1995) L57

Subjects: Astrophysics (astro-ph)

[31] arXiv:astro-ph/9409031 [pdf, other]

Title: Optimizing Observing Patterns in Cosmic Microwave Background Radiation Anisotropy Experiments

R.K. Schaefer, L. Piccirillo

Comments: 14 pages uuencoded postscript +5 figures

Subjects: Astrophysics (astro-ph)

[32] arXiv:astro-ph/9409032 [pdf, other]

Title: The Gravitational Potential of the Bar in NGC 4314

A.C. Quillen, Jay. A. Frogel, Rosa A. Gonz'alez

Comments: 14pages, postscript, accepted to ApJ, Paper is available with compressed postscript figures via anonymous ftp from this http URL in the directory pub/quillen/n4314, AYOSU-9-94-001

Subjects: Astrophysics (astro-ph)

[33] arXiv:astro-ph/9409033 [pdf, other]

Title: An Estimate of the Gas Inflow Rate Along the Bar in NGC 7479

A.C. Quillen, Jay. A. Frogel, Jeffrey D. P. Kenney, R. W. Pogge, D. L. DePoy

Comments: 16pages, postscript, ~accepted to ApJ, Paper is available with compressed postscript figures via anonymous ftp from this http URL in the directory pub/quillen/n7479, AYOSU-9-94-002

Subjects: Astrophysics (astro-ph)

[34] arXiv:astro-ph/9409034 [pdf, other]

Title: Gravitational Microlensing Results from Macho

W. Sutherland, C. Alcock, R. Allsman, T. Axelrod, D. Bennett, S. Chan, K. Cook, K. Freeman, K. Griest, S. Marshall, S. Perlmutter, B. Peterson, M. Pratt, P. Quinn, A. Rodgers, C. Stubbs

Comments: Talk given at Neutrino-94, to appear in Nucl. Phys. B Proceedings Supp. 8 pages, 4 figures, uuencoded compressed PostScript

Journal-ref: Nucl.Phys.Proc.Suppl. 38 (1995) 379-386

Subjects: Astrophysics (astro-ph)

[35] arXiv:astro-ph/9409035 [pdf, other]

Title: Emission Line Profiles from Self-Gravitating Thin Disks

V. Karas, A. Lanza, D. Vokrouhlicky

Comments: 26 pages, 8 figures, uuencoded postscript file, to appear in The Astrophysical Journal, Part I. Printed version available upon request from the authors

Subjects: Astrophysics (astro-ph)

[36] arXiv:astro-ph/9409036 [pdf, other]

Title: The Mass Spectrum Of Machos From Parallax Measurements

Cheongho Han, Andrew Gould

Comments: 14 pages, 8 figures, 3 tables, request hard copy of preprint to cheongho@payne.this http URL, OSU-TA-19/94

Subjects: Astrophysics (astro-ph)

[37] arXiv:astro-ph/9409037 [pdf, other]

Title: HST Observations of the Distant Cluster 0016+16: Quantitative Morphology of Confirmed Cluster Members

Gregory D. Wirth, David C. Koo, Richard G. Kron

Comments: 11 pages, uuencoded compressed PostScript, accepted to ApJ Letters, LICK-32

Journal-ref: Astrophys.J. 435 (1994) L105

Subjects: Astrophysics (astro-ph)

[38] arXiv:astro-ph/9409038 [pdf, other]

Title: Real-space cosmic fields from redshift-space distributions: a Green function approach

Max Tegmark, Benjamin Bromley

Comments: 22 pages, incl 3 figures. Stone-age postscript replaced by LATeX. Latest version at this http URL (faster from the US), from this http URL (faster from Europe) or from max@mppmu.this http URL

Journal-ref: Astrophys.J.453:533,1995

Subjects: Astrophysics (astro-ph)

[39] arXiv:astro-ph/9409039 [pdf, other]

Title: Phase-Transition Theory of Instabilities.I.Second-Harmonic Instability and Bifurcation Points

D.M. Christodoulou, D. Kazanas, I. Shlosman, J.E. Tohline

Comments: Postscript, compressed, uuencoded. Submitted to ApJ

Subjects: Astrophysics (astro-ph)

[40] arXiv:astro-ph/9409040 [pdf, other]

Title: The Classification of M1-78

G. T. Gussie

Comments: 16 pages, Postscript

Subjects: Astrophysics (astro-ph)

[41] arXiv:astro-ph/9409041 [pdf, other]

Title: High frequency oscillations of Newton's constant induced by inflation

Clifford M. Will, Paul J. Steinhardt

Comments: 30 pages, Penn Preprint UPR-0628T, Wash. U. Preprint WUGRAV 94-10 Four figures available by ftp (read comment at head of file)

Journal-ref: Phys.Rev.D52:628-639,1995

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

[42] arXiv:astro-ph/9409042 [pdf, other]

Title: Velocity Correlations of Galaxy Clusters

Renyue Cen, Neta A. Bahcall, Mirt Gramann (Princeton University Observatory, Princeton, NJ)

Comments: 12p postscript file, in press of The Astrophysical Journal Letters Local report# 94915,email: cen@astro.this http URL

Subjects: Astrophysics (astro-ph)

[43] arXiv:astro-ph/9409043 [pdf, other]

Title: Angular two-point correlation functions for cosmological gamma-ray burst model

Shiho Kobayashi, Shin Sasaki, Yasushi Suto

Comments: 16 pages

Journal-ref: Int.J.Mod.Phys. D4 (1995) 219-230

Subjects: Astrophysics (astro-ph)

[44] arXiv:astro-ph/9409044 [pdf, other]

Title: ROSAT Observations of the Flare Star CC Eri

H. C. Pan, C. Jordan

Comments: 14 pages, compressed and uuencoded postscript file, to be published in MNRAS

Subjects: Astrophysics (astro-ph)

[45] arXiv:astro-ph/9409045 [pdf, other]

Title: A large amplitude flaring dMe star in the 1978 October 6B $\gamma$-ray burst error box

J. Greiner, C. Motch

Comments: 6 p., LATEX with A\&A macro l-aa, MPE Prep. 295

Subjects: Astrophysics (astro-ph)

[46] arXiv:astro-ph/9409046 [pdf, other]

Title: Testing Cosmogonic Models with Gravitational Lensing

Joachim Wambsganss, Renyue Cen, Jeremiah P. Ostriker, Edwin L. Turner

Comments: 7p postscript file, submitted to Nature, local report#940916

Journal-ref: AIP Conf.Proc.336:347,1995

Subjects: Astrophysics (astro-ph)

[47] arXiv:astro-ph/9409047 [pdf, other]

Title: Association of Unidentified, Low Latitude EGRET Sources with Supernova Remnants

S. J. Sturner, C. D. Dermer

Comments: 5 pages, uuencoded compressed Postscript, submitted to Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[48] arXiv:astro-ph/9409048 [pdf, other]

Title: On the propagation of sound waves in a stellar wind traversed by periodic strong shocks

F.P. Pijpers

Comments: 11 pages, uuencoded postscript, UAO-94-P93

Journal-ref: Astron. Astroph. 295 (1995) 435

Subjects: Astrophysics (astro-ph)

[49] arXiv:astro-ph/9409049 [pdf, other]

Title: Reverberation by a Relativistic Accretion Disk

Sergio Campana, Luigi Stella (Osservatorio Astronomico di Brera, Via Brera 28, 20121 Milano, Italy)

Comments: E-mail: campana@astmim.this http URL MN (ver 1.0) latex file, #7 pages, #8 figures available upon request, accepted for publication on MNRAS

Subjects: Astrophysics (astro-ph)

[50] arXiv:astro-ph/9409050 [pdf, other]

Title: Chaos and Noise in Galactic Potentials

Salman Habib, Henry E. Kandrup, M. Elaine Mahon

Comments: 45 pages, uuencoded PostScript (figures included), LA-UR-94-2826

Journal-ref: Astrophys.J.480:155,1997

Subjects: Astrophysics (astro-ph); General Relativity and Quantum Cosmology (gr-qc); Chaotic Dynamics (nlin.CD)