Astrophysics

Authors and titles for November 2005

[401] arXiv:astro-ph/0511401 [pdf, other]

Title: Entropy Profiles in the Cores of Cooling Flow Clusters of Galaxies

Megan Donahue, Donald J. Horner, Kenneth W. Cavagnolo, G. Mark Voit

Comments: 4 figures, as submitted to the Astrophysical Journal (except for a typo correction in the abstract)

Journal-ref: Astrophys.J.643:730-750,2006

Subjects: Astrophysics (astro-ph)

[402] arXiv:astro-ph/0511402 [pdf, other]

Title: Lithium isotopes in population II dwarfs

Laurent Piau

Comments: 18 pages, 7 figures, 6 tables New version due to a missing reference in bibliographic index (Smith et al 1998)and problems in the positioning of the table 4 and figures 7 & 8. Submitted to ApJ

Subjects: Astrophysics (astro-ph)

[403] arXiv:astro-ph/0511403 [pdf, other]

Title: Searching for the "Missing" PG Hot Subdwarfs in SDSS and GALEX Data

Richard A. Wade (1), M. A. Stark (1,2), R. F. Green (3), P. R. Durrell (4) ((1) Pennsylvania State University, (2) University of Wyoming, (3) NOAO, (4) Youngstown State University)

Comments: four pages, one figure, Proceedings of Second Meeting on Hot Subdwarf Stars and Related Objects, 6-10 June 2005 (La Palma, Canary Islands, Spain) to appear in Baltic Astronomy

Subjects: Astrophysics (astro-ph)

[404] arXiv:astro-ph/0511404 [pdf, other]

Title: The Nature of the Late-Type Companions in Hot Subdwarf Composite-Spectrum Binaries

M. A. Stark (1, 2), Richard A. Wade (1) ((1) Pennsylvania State University, (2) University of Wyoming)

Comments: eight pages, six figures, Proceedings of Second Meeting on Hot Subdwarf Stars and Related Objects, 6-10 June 2005 (La Palma, Canary Islands, Spain) to appear in Baltic Astronomy

Subjects: Astrophysics (astro-ph)

[405] arXiv:astro-ph/0511405 [pdf, other]

Title: New nearby AGNs from all sky surveys of INTEGRAL and RXTE observatories

I.F.Bikmaev (1,2), R.A. Sunyaev (3,4), M. G. Revnivtsev (3,4), R. A. Burenin (3) (1- KSU, Kazan, Russia, 2 - Academy of Sciences of Tatarstan, Kazan, Russia, 3 - IKI, Moscow, Russia, 4 - MPA, Garching, Germany)

Comments: 6 pages, Astronomy Letters, in press

Subjects: Astrophysics (astro-ph)

[406] arXiv:astro-ph/0511406 [pdf, other]

Title: New evolutionary calculations for the Born Again scenario

M. M. Miller Bertolami, L. G. Althaus, A. M. Serenelli, J. A. Panei

Comments: 15 pages including 13 figures and 2 tables

Journal-ref: Astron.Astrophys.449:313,2006

Subjects: Astrophysics (astro-ph)

[407] arXiv:astro-ph/0511407 [pdf, other]

Title: Magnetic fields in the Southern Galactic Plane Survey

Marijke Haverkorn, Bryan M. Gaensler, Jo-Anne C. Brown, Naomi M. McClure-Griffiths, John M. Dickey, Anne J. Green

Comments: to appear in proceedings for the conference "The Origin and Evolution of Cosmic Magnetic Fields", eds R. Beck, G. Brunetti, L. Feretti, and B. Gaensler

Subjects: Astrophysics (astro-ph)

[408] arXiv:astro-ph/0511408 [pdf, other]

Title: Wind accretion in the massive X-ray binary 4U 2206+54: abnormally slow wind and a moderately eccentric orbit

M. Ribo, I. Negueruela, P. Blay, J.M. Torrejon, P. Reig

Comments: 12 pages, 9 figures; to appear in A&A; corrected typos, updated references; matches published version

Journal-ref: Astron.Astrophys. 449 (2006) 687-698

Subjects: Astrophysics (astro-ph)

[409] arXiv:astro-ph/0511409 [pdf, other]

Title: A counter-rotating core in the dwarf elliptical galaxy VCC 510

D. Thomas, F. Brimioulle, R. Bender, U. Hopp, L. Greggio, C. Maraston, R.P. Saglia

Comments: 4 pages, two figures, accepted by A&A Letters

Journal-ref: Astron.Astrophys.445:L19-L22,2006

Subjects: Astrophysics (astro-ph)

[410] arXiv:astro-ph/0511410 [pdf, other]

Title: Cosmological Signatures of Interacting Neutrinos

Nicole F. Bell (Caltech), Elena Pierpaoli (Caltech), Kris Sigurdson (Caltech and IAS)

Comments: 17 pages, 14 figures, minor changes and references added, published in Phys. Rev. D

Journal-ref: Phys.Rev. D73 (2006) 063523

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

[411] arXiv:astro-ph/0511411 [pdf, other]

Title: Dark-matter particles and baryons from inflation and spontaneous CP violation in the early universe

Saul Barshay, Georg Kreyerhoff

Comments: 7 pages, appendix added

Journal-ref: Mod.Phys.Lett.A21:1183-1188,2006

Subjects: Astrophysics (astro-ph)

[412] arXiv:astro-ph/0511412 [pdf, other]

Title: The Highest Dynamical Frequency in the Inner Region of an Accretion Disk

M. Ali Alpar (Sabanci University), Dimitrios Psaltis (U. of Arizona)

Comments: 4 pages, 2 figures, submitted to ApJ Letters

Subjects: Astrophysics (astro-ph)

[413] arXiv:astro-ph/0511413 [pdf, other]

Title: Rubidium and lead abundances in giant stars of the globular clusters M 13 and NGC 6752

David Yong (1), Wako Aoki (2), David L. Lambert (3), Diane B. Paulson (4) ((1) Univ. of North Carolina, (2) NAOJ, (3) Univ. of Texas, (4) NASA/GSFC)

Comments: Accepted for publication in ApJ

Journal-ref: Astrophys.J.639:918-928,2006

Subjects: Astrophysics (astro-ph)

[414] arXiv:astro-ph/0511414 [pdf, other]

Title: Clues to AGN Growth from Optically Variable Objects in the Hubble Ultra Deep Field

S. H. Cohen (1), R. E. Ryan Jr (1), A. N. Straughn (1), N. P. Hathi (1), R. A. Windhorst (1), A. M. Koekemoer (2), N. Pirzkal (2), C. Xu (2), B. Mobasher (2), S. Malhotra (2), L.-G.Strolger (2), J. E. Rhoads (2) ((1) Arizona State University, (2) STScI)

Comments: 9 pages, 6 figures, accepted for publication in Astrophysical Journal, minor changes to references

Subjects: Astrophysics (astro-ph)

[415] arXiv:astro-ph/0511415 [pdf, other]

Title: On Oscillating Dark Energy

Eric V. Linder

Comments: 5 pages, 3 figures

Journal-ref: Astropart.Phys.25:167-171,2006

Subjects: Astrophysics (astro-ph)

[416] arXiv:astro-ph/0511416 [pdf, other]

Title: On measuring the covariance matrix of the nonlinear power spectrum from simulations

A. J. S. Hamilton (1 and 2), C. D. Rimes (1), R. Scoccimarro (3) ((1) JILA, University of Colorado, (2) Dept. of Astrophysical & Planetary Sciences, University of Colorado, (3) Center for Cosmology & Particle Physics, New York University)

Comments: 19 pages, 4 figures. To appear in Monthly Notices of the Royal Astronomical Society. Revised to match accepted version

Journal-ref: Mon.Not.Roy.Astron.Soc.371:1188-1204,2006

Subjects: Astrophysics (astro-ph)

[417] arXiv:astro-ph/0511417 [pdf, other]

Title: A Virgo high-resolution Halpha kinematical survey : II. The Atlas

L. Chemin, C. Balkowski, V. Cayatte, C. Carignan, P. Amram, O. Garrido, O. Hernandez, M. Marcelin, C. Adami, A. Boselli, J. Boulesteix

Comments: 17 pages, 9 figures, accepted for publication in MNRAS. All high-res. figures are available on this http URL . High res. versions of the article are available on this ftp URL

Journal-ref: Mon.Not.Roy.Astron.Soc.366:812-857,2006

Subjects: Astrophysics (astro-ph)

[418] arXiv:astro-ph/0511418 [pdf, other]

Title: Information content of the non-linear power spectrum: the effect of beat-coupling to large scales

C. D. Rimes (1), A. J. S. Hamilton (1 and 2) ((1) JILA, University of Colorado, (2) Dept. of Astrophysical & Planetary Sciences, University of Colorado)

Comments: 13 pages, 9 figures. To appear in Monthly Notices of the Royal Astronomical Society. Revised to match accepted version. Contains a corrected version of fig.3 from Paper I (astro-ph/0502081)

Journal-ref: Mon.Not.Roy.Astron.Soc.371:1205-1215,2006

Subjects: Astrophysics (astro-ph)

[419] arXiv:astro-ph/0511419 [pdf, other]

Title: The proximity of Mercury's spin to Cassini state 1

S. J. Peale

Comments: 23 pages,12 figures, In press in Icarus

Subjects: Astrophysics (astro-ph)

[420] arXiv:astro-ph/0511420 [pdf, other]

Title: The Onset of Planet Formation in Brown Dwarf Disks

D. Apai (1 and 2), I. Pascucci (1), J. Bouwman (3), A. Natta (4), Th. Henning (3), C. P. Dullemond (3) ((1) Steward Observatory, Tucson, (2) NASA Astrobiology Institute, (3) Max Planck Institute for Astronomy, Heidelberg, (4) Osservatorio Astrofisico di Arcetri, Florence)

Comments: Published in Science 2005, vol 310, 834; 3 pages in final format, 4 figures + 8 pages Supporting Online Material. For final typeset, see this http URL

Journal-ref: Science 310 (2005) 834

Subjects: Astrophysics (astro-ph)

[421] arXiv:astro-ph/0511421 [pdf, other]

Title: Early-Time Observations of the GRB 050319 Optical Transient

R. M. Quimby, E. S. Rykoff, S. A. Yost, F. Aharonian, C. W. Akerlof, K. Alatalo, M. C. B. Ashley, E. Goegues, T. Guever, D. Horns, R. L. Kehoe, Ue. Kiziloglu, T. A. McKay, M. Oezel, A. Phillips, B. E. Schaefer, D. A. Smith, H. F. Swan, W. T. Vestrand, J. C. Wheeler, J. Wren

Comments: 14 pages including 2 figures; Accepted for publication in ApJ

Journal-ref: Astrophys.J.640:402-406,2006

Subjects: Astrophysics (astro-ph)

[422] arXiv:astro-ph/0511422 [pdf, other]

Title: First Detection of PAHs and Warm Molecular Hydrogen in Tidal Dwarf Galaxies

S. J. U. Higdon, J. L. Higdon, J. Marshall

Comments: Accepted ApJ. 30 pages 14 figures

Journal-ref: Astrophys.J.640:768-783,2006

Subjects: Astrophysics (astro-ph)

[423] arXiv:astro-ph/0511423 [pdf, other]

Title: Tracing Galaxy Assembly: Tadpole Galaxies in the Hubble Ultra Deep Field

A. N. Straughn, S. H. Cohen, R. E. Ryan Jr, N. P. Hathi, R. A. Windhorst, R. A. Jansen (Arizona State University)

Comments: 7 pages, 4 figures. Accepted for publication by Astrophysical Journal

Journal-ref: Astrophys.J.639:724-730,2006

Subjects: Astrophysics (astro-ph)

[424] arXiv:astro-ph/0511424 [pdf, other]

Title: Connecting Dense Gas Tracers of Star Formation in our Galaxy to High-z Star Formation

Jingwen Wu, Neal J. Evans II, Yu Gao, Philip M. Solomon, Yancy L. Shirley, Paul A. Vanden Bout

Comments: 10 pages, 2 figures. In press for ApJ Letters

Journal-ref: Astrophys.J.635:L173-L176,2005

Subjects: Astrophysics (astro-ph)

[425] arXiv:astro-ph/0511425 [pdf, other]

Title: The dusty AGB star RS CrB: first mid-infrared interferometric observations with the Keck Telescopes

B. Mennesson, C. Koresko, M.J. Creech-Eakman, E. Serabyn, M.M. Colavita, et al

Comments: Accepted for publication in ApJ Letters

Journal-ref: Astrophys.J.634:L169-L172,2005

Subjects: Astrophysics (astro-ph)

[426] arXiv:astro-ph/0511426 [pdf, other]

Title: Mode Identification from Combination Frequency Amplitudes in ZZ Ceti Stars

Celeste M. Yeates (1), J. Christopher Clemens (1), S. E. Thompson (2), F. Mullally (3) ((1) University of North Carolina at Chapel Hill, (2) Colorado College, Colorado Springs, CO, and (3) University of Texas, Austin, TX)

Comments: 73 pages, 22 figures, accepted in the ApJ

Journal-ref: Astrophys.J.635:1239-1262,2005

Subjects: Astrophysics (astro-ph)

[427] arXiv:astro-ph/0511427 [pdf, other]

Title: AO Assisted Near-IR Spectroscopy of SVS 13 and its Jet

C.J. Davis, B. Nisini, M. Takami, T.-S. Pyo, M.D. Smith, E. Whelan, T.P. Ray, A. Chrysostomou

Comments: Astrophys. J accepted, 14 pages, 5 figures. See also this http URL

Journal-ref: Astrophys.J.639:969-974,2006

Subjects: Astrophysics (astro-ph)

[428] arXiv:astro-ph/0511428 [pdf, other]

Title: Revisiting the Infrared Spectra of Active Galactic Nuclei with a New Torus Emission Model

J. Fritz (1,2), A. Franceschini (1), E. Hatziminaoglou (2) ((1) Dipartimento di Astronomia, Padova, (2) Instituto de Astrofisica de Canarias, Tenerife)

Comments: 23 pages, 20 figures. Accepted for publication in MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc.366:767-786,2006

Subjects: Astrophysics (astro-ph)

[429] arXiv:astro-ph/0511429 [pdf, other]

Title: INTEGRAL and XMM-Newton observations of the X-ray pulsar IGR J16320-4751/AX J1631.9-4752

J. Rodriguez, A. Bodaghee, P. Kaaret, J.A. Tomsick, E. Kuulkers, G. Malaguti, P.-O. Petrucci, C. Cabanac, M. Chernyakova, S. Corbel, S. Deluit, G. Di Cocco, K. Ebisawa, A. Goldwurm, G. Henri, F. Lebrun, A. Paizis, R. Walter, L. Foschini

Comments: Accepted for publication in MNRAS, 10 pages, 8 figures

Journal-ref: Mon.Not.Roy.Astron.Soc.366:274-282,2006

Subjects: Astrophysics (astro-ph)

[430] arXiv:astro-ph/0511430 [pdf, other]

Title: Nuclear astrophysical plasmas: ion distribution functions and fusion rates

Marcello Lissia, Piero Quarati

Comments: 9 ReVTex pages including 2 color figures

Journal-ref: Europhys.News 36:211-214,2005

Subjects: Astrophysics (astro-ph); Statistical Mechanics (cond-mat.stat-mech); Nuclear Theory (nucl-th); Plasma Physics (physics.plasm-ph)

[431] arXiv:astro-ph/0511431 [pdf, other]

Title: Masses and Radii of Low-Mass Stars: Theory versus Observations

Ignasi Ribas (CSIC, IEEC, Spain)

Comments: 8 pages, 1 figure, proceedings of the meeting "Close Binaries in the 21st Century"

Subjects: Astrophysics (astro-ph)

[432] arXiv:astro-ph/0511432 [pdf, other]

Title: The properties of isolated Main Galaxies in Sloan Digital Sky Survey Data Release 3 (SDSS DR3)

Deng Xinfa, Ma Xinsheng, Luo Chenghong, Zhang Qun, He Ji-zhou

Comments: 10 pages, 10 figures

Subjects: Astrophysics (astro-ph)

[433] arXiv:astro-ph/0511433 [pdf, other]

Title: Binaries as Astrophysical Laboratories: Open Questions

Ignasi Ribas (CSIC, IEEC, Spain)

Comments: 16 pages, 3 figures, proceedings of the Pecs PhD Conference on "Astrophysics of Variable Stars"

Subjects: Astrophysics (astro-ph)

[434] arXiv:astro-ph/0511434 [pdf, other]

Title: Molecular gas in QSO host galaxies

T. Bertram (1), A. Eckart (1), M. Krips (2), C. Straubmeier (1), S. Fischer (1), J.G. Staguhn (3) ((1) University of Cologne, Germany, (2) Smithsonian Astrophysical Observatory, Submillimeter Array, USA, (3) NASA/Goddard Space Flight Center, USA)

Comments: 4 pages, 1 figure, submitted to "QSO Hosts: Evolution and Environment", P.D. Barthel, D.B. Sanders, eds., August 2005, Leiden University (The Netherlands), New Astr. Rev

Journal-ref: New Astron.Rev.50:712-715,2006

Subjects: Astrophysics (astro-ph)

[435] arXiv:astro-ph/0511435 [pdf, other]

Title: The XMM-Newton Slew Survey: towards the XMMSL1 catalogue

M. P. Esquej (1), B. Altieri (1), D. Bermejo (1), M.J. Freyberg (3), V. Lazaro (1), A. M. Read (2), R. D. Saxton (1) ((1) European Space Astronomy Centre (ESAC), ESA, Spain, (2) Dept of physics and astronomy, univ. of Leicester, UK, (3) MPE, Garching, Germany)

Comments: 2 pages, 2 figures, to appear in the proceedings of "The X-ray Universe 2005", San Lorenzo de El Escorial (Spain), 26-30 September 2005

Subjects: Astrophysics (astro-ph)

[436] arXiv:astro-ph/0511436 [pdf, other]

Title: Unveiling the distribution of absorption in the AGN population

Tom Dwelly, Mathew J. Page

Comments: 2 pages, 2 figures. To appear in the proceedings of "The X-Ray Universe 2005" conference, 2005 Sept 26-30, El Escorial, Madrid, Spain

Subjects: Astrophysics (astro-ph)

[437] arXiv:astro-ph/0511437 [pdf, other]

Title: Statistical Computations with AstroGrid and the Grid

Robert C Nichol, Garry Smith (ICG Portsmouth), Christopher J Miller (CTIO), Chris Genovese, Larry Wasserman (Stats CMU), Brent Bryan, Alexander Gray, Jeff Schneider, Andrew W Moore (CS CMU)

Comments: Invited talk to appear in "Proceedings of PHYSTAT05: Statistical Problems in Particle Physics, Astrophysics and Cosmology"

Subjects: Astrophysics (astro-ph)

[438] arXiv:astro-ph/0511438 [pdf, other]

Title: Energy-shifted lines in XMM-Newton spectra of Seyfert Galaxies

A.L. Longinotti, S. Sim, K.Nandra, P. O'Neill, M.Cappi

Comments: 6 pages, 4 figures. To appear in the proceedings of "The X-Ray Universe 2005" conference, 2005 Sept 26-30, El Escorial, Madrid, Spain

Subjects: Astrophysics (astro-ph)

[439] arXiv:astro-ph/0511439 [pdf, other]

Title: The LMC HII region N 214C and its peculiar nebular blob

Frederic Meynadier, Mohammad Heydari-Malayeri, Nolan Walborn

Comments: Low resolution figures. Better quality figures may be obtained from A&A online edition or on request to F. Meynadier

Journal-ref: Astron.Astrophys.436:117,2005

Subjects: Astrophysics (astro-ph)

[440] arXiv:astro-ph/0511440 [pdf, other]

Title: Varying Constants

John D. Barrow

Comments: 16 pages, no figures. Talk delivered at the Royal Society Discussion Meeting on 'The Fundamental Constants of Physics, Precision Measurements and the Base Units of SI', London, Feb. 14-15 (2005)

Journal-ref: Phil.Trans.Roy.Soc.Lond.A363:2139-2153,2005

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

[441] arXiv:astro-ph/0511441 [pdf, other]

Title: Turbulent Gas Flows in the Rosette and G216-2.5 Molecular Clouds: Assessing Turbulent Fragmentation Descriptions of Star Formation

M. Heyer (1), J. Williams (2), C. Brunt (3) ((1) University of Massachusetts, (2) University of Hawaii, (3) University of Exeter)

Comments: Accepted by ApJ, 22 pages, 7 figures

Journal-ref: Astrophys.J.643:956-964,2006

Subjects: Astrophysics (astro-ph)

[442] arXiv:astro-ph/0511442 [pdf, other]

Title: The Tully-Fisher relation of distant field galaxies

S. P. Bamford (1), A. Aragon-Salamanca (1), B. Milvang-Jensen (2) ((1) Nottingham, UK, (2) MPE, Germany)

Comments: 14 pages, 10 figures, accepted by MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc.366:308-320,2006

Subjects: Astrophysics (astro-ph)

[443] arXiv:astro-ph/0511443 [pdf, other]

Title: Radiatively Driven Winds of OB Stars -- from Micro to Macro

Jiri Krticka, Jiri Kubat

Comments: 12 pages; to appear in the proceedings of Active OB-Stars: Laboratories for Stellar & Circumstellar Physics, S. Stefl, S. Owocki and A. Okazaki eds

Subjects: Astrophysics (astro-ph)

[444] arXiv:astro-ph/0511444 [pdf, other]

Title: Identification of four RXTE Slew Survey sources with nearby luminous active galactic nuclei

M.Revnivtsev (1,2)S.Sazonov (1,2), E.Churazov (1,2), S.Trudolyubov (3,2) (1 - MPA, Garching, Germany, 2 - IKI, Moscow, Russia, 3 - UCR, Riverside, USA)

Comments: 4 pages, 2 figures. Sibmitted to Astronomy and Astrophysics Letters

Subjects: Astrophysics (astro-ph)

[445] arXiv:astro-ph/0511445 [pdf, other]

Title: Searching for Sharp Surface Brightness Discontinuities: a Systematic Study of Cold Fronts in Galaxy Clusters

S. Ghizzardi, S. Molendi, A. Leccardi, M. Rossetti (IASF-Milano/INAF; Italy)

Comments: 6 pages, 9 figures. High resolution figures are available at this http URL To appear in Proc. "The X-ray Universe 2005", San Lorenzo de El Escorial, Spain, September 2005

Subjects: Astrophysics (astro-ph)

[446] arXiv:astro-ph/0511446 [pdf, other]

Title: Evolution of rotating stars at very low metallicity

Georges Meynet, Raphael Hirschi, Sylvia Ekstrom, Andre Maeder

Comments: 12 pages, 11 figures, in Stellar Evolution at Low Metallicity: Mass Loss, Explosions, Cosmology, Lamers, Langer, Nugis, Annuk (eds.), ASP Conf. Ser

Subjects: Astrophysics (astro-ph)

[447] arXiv:astro-ph/0511447 [pdf, other]

Title: Reconstruction of an Inductive Velocity Field Vector from Doppler Motions and a Pair of Solar Vector Magnetograms

Manolis K. Georgoulis, Barry J. LaBonte

Comments: 48 pages, 13 figures ApJ, in press (high-resolution PDF version of the manuscript available at this http URL)

Journal-ref: Astrophys.J.636:475-495,2005

Subjects: Astrophysics (astro-ph)

[448] arXiv:astro-ph/0511448 [pdf, other]

Title: Evolving structures of star-forming clusters

S. Schmeja, R. S. Klessen (Astrophysikalisches Institut Potsdam)

Comments: 11 pages, 10 figures, accepted by A&A; slightly modified according to the referee report

Journal-ref: Astron.Astrophys. 449 (2006) 151

Subjects: Astrophysics (astro-ph)

[449] arXiv:astro-ph/0511449 [pdf, other]

Title: Turbulence in the Solar Atmosphere: Manifestations and Diagnostics via Solar Image Processing

Manolis K. Georgoulis

Comments: 26 pages, 7 figures

Journal-ref: Solar Phys. 228 (2005) 5

Subjects: Astrophysics (astro-ph)

[450] arXiv:astro-ph/0511450 [pdf, other]

Title: Study of the relationship between the gamma ray bursts and their host galaxies

S. E. Nuza (IAFE), P. B. Tissera (IAFE), L. J. Pellizza (CEA), D. G. Lambas (OAC), C. Scannapieco (IAFE), M. E. De Rossi (IAFE)

Comments: Minor changes after referee report. To appear in the 48th Bulletin of the Argentine Astronomical Society (BAAA 48, 2005). 4 pages, this http URL

Journal-ref: Bol. Asoc. Argent. Astron. 48 (2005) 459-462

Subjects: Astrophysics (astro-ph)