Astrophysics

Authors and titles for May 2000

[301] arXiv:astro-ph/0005303 [pdf, other]

Title: Near-infrared imaging polarimetry of the GG Tau circumbinary ring

Joel Silber, Tim Gledhill, Gaspard Duchene, Franccois Menard

Comments: 5 pages, 2 figures (fig. 1 in colour)

Subjects: Astrophysics (astro-ph)

[302] arXiv:astro-ph/0005304 [pdf, other]

Title: The Detection Rate of Molecular Gas in Elliptical Galaxies: Constraints on Galaxy Formation Theories

Yutaka Fujita, Masahiro Nagashima, Naoteru Gouda (NAOJ)

Comments: 6 pages, accepted by PASJ

Subjects: Astrophysics (astro-ph)

[303] arXiv:astro-ph/0005305 [pdf, other]

Title: The Nature of the Halo Population of NGC 5128 Resolved with NICMOS on the Hubble Space Telescope

Francine R. Marleau (IoA, Cambridge), James R. Graham (UC Berkeley), Michael C. Liu (UC Berkeley), Stephane Charlot (IAP, Paris)

Comments: Accepted for publication in AJ, 23 pages of text, 13 figures, uses aastex v5.0

Subjects: Astrophysics (astro-ph)

[304] arXiv:astro-ph/0005306 [pdf, other]

Title: Objective Classification of Galaxy Spectra using the Information Bottleneck Method

N. Slonim (Computer Science, Hebrew U), R. Somerville (IoA, Cambridge), N. Tishby (Computer Science, Hebrew U), O. Lahav (IoA, Cambridge)

Comments: submitted to MNRAS, 17 pages, Latex, with 14 figures embedded

Journal-ref: Mon.Not.Roy.Astron.Soc. 323 (2001) 270

Subjects: Astrophysics (astro-ph)

[305] arXiv:astro-ph/0005307 [pdf, other]

Title: Disk mass accretion rate and infrared flares in GRS 1915+105

T. Belloni (Brera Obs., Milan), S. Migliari (Brera Obs., Milan & Univ. Milan), R.P. Fender (Univ. Amsterdam)

Comments: Accepted for publication on Astronomy & Astrophysics Letters, 4 pages

Subjects: Astrophysics (astro-ph)

[306] arXiv:astro-ph/0005308 [pdf, other]

Title: Kinematics of young stars (I): Local irregularities

J. Torra, D. Fernandez, F. Figueras

Comments: 23 pages, 18 figures, LaTex, uses this http URL. Accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[307] arXiv:astro-ph/0005309 [pdf, other]

Title: Ultrahigh energy neutrino interactions and weak-scale string theories

M. Kachelriess, M. Plumacher

Comments: 7 pages, 3 figures; discussion of the sensitivity of Auger/Owl shortened, matches version to be published

Journal-ref: Phys.Rev. D62 (2000) 103006

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

[308] arXiv:astro-ph/0005310 [pdf, other]

Title: Hyperbolic character of the angular moment equations of radiative transfer and numerical methods

Jose A. Pons, J.Ma. Ibanez, Juan A. Miralles

Comments: 37 pags, 12 figures, accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) 550

Subjects: Astrophysics (astro-ph)

[309] arXiv:astro-ph/0005311 [pdf, other]

Title: Molecular gas in blue compact dwarf galaxies

Luca Tancredi Barone (1,2), Andreas Heithausen (1), Susanne Huettemeister (1), Thomas Fritz (1), Ulrich Klein (1) ((1) Radioastronomisches Institut der Universitaet Bonn, Germany, (2) Dipartimento di Astronomia, Universita' degli Studi di Bologna, Italy)

Comments: 9 pages, 6 figures, to be published on MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) 649

Subjects: Astrophysics (astro-ph)

[310] arXiv:astro-ph/0005312 [pdf, other]

Title: Evolution in the Clustering of Galaxies for z < 1.0

Robert J. Brunner (Caltech), Alex S. Szalay (JHU), Andrew J. Connolly (Pitt)

Comments: Accepted to ApJ, 26 Pages, 4 tables, and 8 Figures

Subjects: Astrophysics (astro-ph)

[311] arXiv:astro-ph/0005313 [pdf, other]

Title: Magnetic Field Decay in Neutron Stars. Analysis of General Relativistic Effects

U.Geppert (AIP-Potsdam), D.Page (Inst. Astron. UNAM), T.Zannias (Inst. Fis. Mat. UMSNH)

Comments: 35 pages, 4 figures, In press Phys. Rev. D15

Journal-ref: Phys.Rev. D61 (2000) 123004

Subjects: Astrophysics (astro-ph)

[312] arXiv:astro-ph/0005314 [pdf, other]

Title: A Short History of the Missing Mass and Dark Energy Paradigms

Sidney van den Bergh (DAO/HIA/NRC)

Comments: 10 pages in LaTeX; In "Development of Modern Cosmology", Eds. V. J. Martinez and V. Trimble. To be published in the ASP Conference Series

Subjects: Astrophysics (astro-ph)

[313] arXiv:astro-ph/0005315 [pdf, other]

Title: Dynamics of line-driven disk winds in Active Galactic Nuclei

D. Proga (1), J. M. Stone (2), T. R. Kallman (1) ((1) GSFC/NASA, (2) University of Maryland, College Park)

Comments: LaTeX, 20 pages, contains color figures, to appear in ApJ

Journal-ref: Astrophys.J.543:686-696,2000

Subjects: Astrophysics (astro-ph)

[314] arXiv:astro-ph/0005316 [pdf, other]

Title: Testing theories that predict time variation of fundamental constants

Susana J. Landau, Hector Vucetich

Comments: 18 pages, 2 figures, new data added

Journal-ref: Astrophys.J. 570 (2002) 463-469

Subjects: Astrophysics (astro-ph)

[315] arXiv:astro-ph/0005317 [pdf, other]

Title: Giant Molecular Outflows Powered by Protostars in L1448

G. A. Wolf-Chase, M. Barsony, J. O'Linger

Comments: 11 pages, 9 figures, to be published in the Astronomical Journal

Subjects: Astrophysics (astro-ph)

[316] arXiv:astro-ph/0005318 [pdf, other]

Title: The descendents of Lyman Break Galaxies in galaxy clusters: spatial distribution and orbital properties

F.Governato (O.A. Brera (Milan)), S.Ghigna (Univ. of Milan), B.Moore (Univ. of Durham), T.Quinn (Univ of. Washington), J. Stadel (UW), G.Lake (UW)

Comments: 6 Pages, 2 Postscript figures. Submitted to ApJ

Subjects: Astrophysics (astro-ph)

[317] arXiv:astro-ph/0005319 [pdf, other]

Title: The effects of numerical resolution on hydrodynamical surface convection simulations and spectral line formation

M. Asplund, H.-G. Ludwig, AA. Nordlund, R.F. Stein

Comments: Accepted for A&A

Subjects: Astrophysics (astro-ph)

[318] arXiv:astro-ph/0005320 [pdf, other]

Title: Line formation in solar granulation: I. Fe line shapes, shifts and asymmetries

M. Asplund, AA. Nordlund, R. Trampedach, C. Allende Prieto, R.F. Stein

Comments: Accepted for A&A

Subjects: Astrophysics (astro-ph)

[319] arXiv:astro-ph/0005321 [pdf, other]

Title: Line formation in solar granulation: II. The photospheric Fe abundance

M. Asplund, AA. Nordlund, R. Trampedach, R.F. Stein

Comments: Accepted for A&A

Subjects: Astrophysics (astro-ph)

[320] arXiv:astro-ph/0005322 [pdf, other]

Title: Line formation in solar granulation: III. The photospheric Si and meteoritic Fe abundances

M. Asplund

Comments: Accepted for A&A

Journal-ref: Astron.Astrophys.359:755-758,2000

Subjects: Astrophysics (astro-ph)

[321] arXiv:astro-ph/0005323 [pdf, other]

Title: Velocity and Mass Functions of Galactic Halos: Evolution and Environmental Dependence

Yair Sigad (1), Tsafrir S. Kolatt (1), James S. Bullock (2), Andrey V. Kravtsov (2), Anatoly A. Klypin (3), Joel R. Primack (4), Avishai Dekel (1) ((1) Hebrew University, (2) Ohio State, (3) New Mexico State, (4) UC Santa Cruz)

Comments: 26 pages, 9 figures. submitted to MNRAS

Subjects: Astrophysics (astro-ph)

[322] arXiv:astro-ph/0005324 [pdf, other]

Title: Measurement of the Parallax of PSR B0950+08 Using the VLBA

Walter F. Brisken (Princeton), John M. Benson (NRAO), A. J. Beasley (NRAO), Edward B. Fomalont (NRAO), W. M. Goss (NRAO), S. E. Thorsett (UCSC)

Comments: 5 pages, Latex with AASTEX. Accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[323] arXiv:astro-ph/0005325 [pdf, other]

Title: Strong Evolution in the Luminosity-Velocity Relation at z>1?

James S. Bullock (Ohio State), Avishai Dekel (Hebrew University), Joel R. Primack (UC Santa Cruz), Rachel S. Somerville (IoA Cambridge)

Comments: 4 pages, 2 figures. Submitted to ApJ Letters

Subjects: Astrophysics (astro-ph)

[324] arXiv:astro-ph/0005326 [pdf, other]

Title: A Glitch in an Anomalous X-ray Pulsar

V. M. Kaspi, J. R. Lackey, D. Chakrabarty

Comments: 12 pages, 1 figure, accepted for publication in ApJL

Subjects: Astrophysics (astro-ph)

[325] arXiv:astro-ph/0005327 [pdf, other]

Title: A Structural and Dynamical Study of Late-Type, Edge-On Galaxies: I. Sample Selection and Imaging Data

Julianne J. Dalcanton (U. of Washington &amp; Carnegie Observatories), Rebecca A. Bernstein (Carnegie Observatories)

Comments: scheduled to appear in the Astronomical Journal, LaTeX, 36 pages including 7 pages of figures (fig 1-2,4). A low resolution version of Figure 3 is included in JPEG format; contours are seriously degraded. A full resolution Postscript version of Figure 3 (10.6Mb,gzipped) is available through anonymous ftp at this ftp URL

Subjects: Astrophysics (astro-ph)

[326] arXiv:astro-ph/0005328 [pdf, other]

Title: The influence of inverse Compton scattering on GRB afterglows: one possible way to flatten and steepen the light curves

D.M. Wei (Purple Mountain Observatory), T. Lu (Nanjing University)

Comments: 4 pages, add one figure, accepted by A&A Letters

Subjects: Astrophysics (astro-ph)

[327] arXiv:astro-ph/0005329 [pdf, other]

Title: The Clustering of Colour Selected Galaxies

M.J.I. Brown, R.L. Webster, B.J. Boyle

Comments: Accepted for publication in MNRAS. 13 pages, 20 figures

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) 782

Subjects: Astrophysics (astro-ph)

[328] arXiv:astro-ph/0005330 [pdf, other]

Title: Formation of Cavities, Filaments, and Clumps by the Non-linear Development of Thermal and Gravitational Instabilities in the Interstellar Medium under Stellar Feedback

Keiichi Wada, Marco Spaans, Sungeun Kim

Comments: 12 pages, 10 figures. high resolution figures are available at this http URL ApJ, 540, in press

Subjects: Astrophysics (astro-ph)

[329] arXiv:astro-ph/0005331 [pdf, other]

Title: Self-similar collapse of collisional gas in an expanding Universe

Leonid Chuzhoy, Adi Nusser

Comments: version accepted for publication in the MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc.319:797,2000

Subjects: Astrophysics (astro-ph)

[330] arXiv:astro-ph/0005332 [pdf, other]

Title: A project of a new detector for direct Dark Matter search: MACHe3

D.Santos (1), F.Mayet (1), Yu.M.Bunkov (2), A.Drezet (1), G.Duhamel (1), H.Godfrin (2), F. Naraghi (1), G.Perrin (1) ((1)ISN Grenoble France, (2)CRTBT Grenoble France)

Comments: 8 pages, 7 figures, Proceedings of Dark Matter 2000 (Marina Del Rey, Los Angeles, USA, 02/23/2000-02/25/2000)

Subjects: Astrophysics (astro-ph)

[331] arXiv:astro-ph/0005333 [pdf, other]

Title: Observational Implications of Precessing Protostellar Discs and Jets

M. R. Bate, I. A. Bonnell, C. J. Clarke, S. H. Lubow, G. I. Ogilvie, J. E. Pringle, C. A. Tout

Comments: MNRAS, in press. 10 pages. Also available at this http URL

Journal-ref: Mon.Not.Roy.Astron.Soc. 317 (2000) 773

Subjects: Astrophysics (astro-ph)

[332] arXiv:astro-ph/0005334 [pdf, other]

Title: Wavelet entropy as a measure of solar cycle complexity

Stefano Sello

Comments: 4 pages with 3 figures. Accepted for publication in Astronomy and Astrophysics Journal

Journal-ref: New Astron. 8 (2002) 105-117

Subjects: Astrophysics (astro-ph); Data Analysis, Statistics and Probability (physics.data-an)

[333] arXiv:astro-ph/0005335 [pdf, other]

Title: X-ray observations of the starburst galaxy NGC 253:II. Extended emission from hot gas in the nuclear area, disk, and halo

W. Pietsch (1), A. Vogler (2,1), U. Klein (3), H. Zinnecker (4) ((1) MPE Garching, Germany, (2) SAp Saclay, France, (3) Radioastronomisches Institut der Universitaet Bonn, Germany, (4) AIP Potsdam, Germany)

Comments: 26 pages incl. 11 figures, submitted to A & A, a full resolution file is available at this http URL

Subjects: Astrophysics (astro-ph)

[334] arXiv:astro-ph/0005336 [pdf, other]

Title: The Small-scale Structure in Interstellar HI: A Resolvable Puzzle

Avinash A. Deshpande (Raman Research Institute)

Comments: 7 pages including 3 figures, Latex format. Accepted for publication in MNRAS, 2000

Journal-ref: Mon.Not.Roy.Astron.Soc.317:199,2000

Subjects: Astrophysics (astro-ph)

[335] arXiv:astro-ph/0005337 [pdf, other]

Title: X-ray and optical follow-up observations of the August 1998 X-ray transient in NGC6440

F. Verbunt, M.H. van Kerkwijk, J.J.M. in 't Zand, J. Heise

Comments: 7 pages, 4 figures, to be published in Astronomy and Astrophysics

Journal-ref: Astron.Astrophys.359:960,2000

Subjects: Astrophysics (astro-ph)

[336] arXiv:astro-ph/0005338 [pdf, other]

Title: The likely detection of pulsed high-energy gamma-ray emission from millisecond pulsar PSR J0218+4232

L. Kuiper (1), W. Hermsen (1), F. Verbunt (2), D.J. Thompson (3), I.H. Stairs (4), A.G. Lyne (4), M.S. Strickman (5), G. Cusumano (6) ((1) SRON-Utrecht, (2) Astronomical Institute Utrecht, (3) Code 661 GSFC, (4) University of Manchester, (5) NRL Washington, (6) IFCAI CNR Palermo)

Comments: Accepted for publication in A&A: 13 pages containing 10 figures

Subjects: Astrophysics (astro-ph)

[337] arXiv:astro-ph/0005339 [pdf, other]

Title: Regimes Of Helium Burning

F.X. Timmes, J.C. Niemeyer

Comments: 13 pages, 2 figures. ApJ, in press

Subjects: Astrophysics (astro-ph)

[338] arXiv:astro-ph/0005340 [pdf, other]

Title: High-Redshift Galaxies in Cold Dark Matter Models

David H. Weinberg, Lars Hernquist, Neal Katz

Comments: Submitted to ApJ. 31 pages including 10 ps figures. Full resolution version of Fig 2 available at this http URL

Journal-ref: Astrophys.J. 571 (2002) 15-29

Subjects: Astrophysics (astro-ph)

[339] arXiv:astro-ph/0005341 [pdf, other]

Title: Thermonuclear Explosions of Chandrasekhar-Mass White Dwarfs

W. Hillebrandt, M. Reinecke, J.C. Niemeyer

Comments: 13 pages, 5 figures. To appear in Proc. ``Two decades of numerical astrophysics'', Port Douglas, Australia 1999

Subjects: Astrophysics (astro-ph)

[340] arXiv:astro-ph/0005342 [pdf, other]

Title: The velocity field of young stars in the solar neighbourhood

J. Torra, D. Fernandez, F. Figueras, F. Comeron

Comments: 4 pages, no figures, LaTex, uses this http URL. To appear in Ap&SS, in the proceedings of "Astrophysical Dynamics - Conference to commemorate the Work of Franz this http URL, FRS (1925-1998)", eds. D. Berry, et al

Journal-ref: Astrophys.Space Sci. 272 (2000) 109-112

Subjects: Astrophysics (astro-ph)

[341] arXiv:astro-ph/0005343 [pdf, other]

Title: FUSE Observations of the Galactic and Intergalactic Medium Towards H1821+643

W. R. Oegerle (JHU), T. M. Tripp (Princeton), K. R. Sembach (JHU), E. B. Jenkins (Princeton), D. V. Bowen (Princeton), L. L. Cowie (U. Hawaii), R. F. Green (NOAO), J. W. Kruk (JHU), B. D. Savage (U. Wisconsin), J. M. Shull (U. Colorado), D. G. York (U. Chicago)

Comments: 5 pages, 3 figures, to appear in the FUSE Special Issue of ApJ Letters

Journal-ref: 2000, ApJ 538, L23

Subjects: Astrophysics (astro-ph)

[342] arXiv:astro-ph/0005344 [pdf, other]

Title: Type Ia Supernovae and their implications for cosmology

Mario Livio

Comments: To be published in the proceedings of The greatest Explosions since the Big Bang: Supernovae and Gamma-Ray Bursts, held 3-6 May, 1999 at Space Telescope Science Institute, Baltimore, MD. eds. Mario Livio, Nino Panagia and Kailash Sahu

Subjects: Astrophysics (astro-ph)

[343] arXiv:astro-ph/0005345 [pdf, other]

Title: The detection of spiral arm modulation in the stellar disk of an optically flocculent and an optically grand design galaxy

Ivanio Puerari (1), David L. Block (2), Bruce G. Elmegreen (3), Jay A. Frogel (4), Paul B. Eskridge (4) ((1) INAOE - Tonantzintla, Mexico; (2) University Witwatersrand, South Africa; (3) IBM Research Division, USA; (4) The Ohio State University, USA)

Comments: 10 pages, 12 Figures, Accepted for publication in A&A

Subjects: Astrophysics (astro-ph)

[344] arXiv:astro-ph/0005346 [pdf, other]

Title: Poststarburst Models of LINERs

Yoshiaki Taniguchi, Yasuhiro Shioya, Takashi Murayama (Tohoku University)

Comments: 8 pages, 6 figures, this http URL; To appear in the September 2000 issue of the Astronomical Journal

Subjects: Astrophysics (astro-ph)

[345] arXiv:astro-ph/0005347 [pdf, other]

Title: Orbital Motion of Resonant Clumps in Dusty Circumstellar Disks as a Signature of an Embedded Planet

Nick N. Gorkavyi, Leonid M. Ozernoy, John C. Mather, Sara R. Heap

Comments: 5 pages, incl. 1 color figure, to appear in "Disks, Planetesimals, and Planets", conference held in Puerto de la Cruz, Tenerife, Spain (Jan. 24-28, 2000). Eds. F. Garzon et al., ASP Conf. Series (in press)

Subjects: Astrophysics (astro-ph)

[346] arXiv:astro-ph/0005348 [pdf, other]

Title: X-ray emission from Lindroos binary systems

N. Huelamo (1), R. Neuhaeuser (1), B. Stelzer (1), R.Supper (1), H. Zinnecker (2) ((1) MPE Garching, Germany, (2) AIP Potsdam, Germany)

Comments: 17 pages, 6 figures, accepted by A&A

Subjects: Astrophysics (astro-ph)

[347] arXiv:astro-ph/0005349 [pdf, other]

Title: An infrared background--TeV gamma-ray crisis?

R.J. Protheroe, H. Meyer

Comments: 12 pages, 4 figures, Accepted for publication in Physics Letters B. Minor changes

Journal-ref: Phys.Lett. B493 (2000) 1-6

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

[348] arXiv:astro-ph/0005350 [pdf, other]

Title: Is MS1054-03 an exceptional cluster? A new investigation of ROSAT/HRI X-ray data

D.M. Neumann, M. Arnaud (CEA/Saclay, France)

Comments: 12 pages, 5 figures, accepted for publication in ApJ

Subjects: Astrophysics (astro-ph)

[349] arXiv:astro-ph/0005351 [pdf, other]

Title: Detection of Lead in the Carbon-Rich, Very Metal-Poor Star LP625-44: A Strong Constraint on s-Process Nucleosynthesis at Low Metallicity

W. Aoki (1), J. E. Norris (2), S. G. Ryan (3), T. C. Beers (4), H. Ando (1) ((1)National Astronomical Observatory of Japan, (2)Research School of Astronomy and Astrophysics, The Australian National University, (3)Department of Physics and Astronomy, The Open University, (4)Department of Physics and Astronomy, Michigan State University)

Comments: 10 pages, 3 figures, Astrophysical Journal Letters, in press

Subjects: Astrophysics (astro-ph)

[350] arXiv:astro-ph/0005352 [pdf, other]

Title: Cosmological two-fluid thermodynamics

Winfried Zimdahl (Konstanz), Diego Pavón (Barcelona)

Comments: 11 pages, submitted to GRG (issue in honor of Heinz Dehnen)

Journal-ref: Gen.Rel.Grav. 33 (2001) 791-804

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