Astrophysics

Authors and titles for June 2004

[301] arXiv:astro-ph/0406301 [pdf, other]

Title: The Formation and Evolution of Planetary Systems: First Results from a Spitzer Legacy Science Program

M.R. Meyer, L.A. Hillenbrand, D.E. Backman, S.V.W. Beckwith, J. Bouwman, T.Y. Brooke, J.M. Carpenter, M. Cohen, U. Gorti, T. Henning, D.C. Hines, D. Hollenbach, J.S. Kim, J. Lunine, R. Malhotra, E.E. Mamajek, S. Metchev, A. Moro--Martin, P. Morris, J. Najita, D.L. Padgett, J. Rodmann, M.D. Silverstone, D.R. Soderblom, J.R. Stauffer, E.B. Stobie, S.E. Strom, D.M. Watson, S.J. Weidenschilling, S. Wolf, E. Young, C.W. Engelbracht, K.D. Gordon, K. Misselt, J. Morrison, J. Muzerolle, K. Su

Comments: Six postscript pages with one additional PDF file. To appear in the ApJ Supplement, Vol. 154, Spitzer Special Issue, September, 2004

Subjects: Astrophysics (astro-ph)

[302] arXiv:astro-ph/0406302 [pdf, other]

Title: A Chandra View of the Normal SO Galaxy NGC 1332: II: Solar Abundances in the Hot Gas and Implications for SN Enrichment

Philip J. Humphrey, David A. Buote, Claude R. Canizares

Comments: 12 pages, 4 figures, accepted for publication in ApJ. Minor changes to match published version

Journal-ref: Astrophys.J. 617 (2004) 1047-1058

Subjects: Astrophysics (astro-ph)

[303] arXiv:astro-ph/0406303 [pdf, other]

Title: Core-Collapse Supernovae Induced by Anisotropic Neutrino Radiation

Yuko Motizuki, Hideki Madokoro, Tetsuya Shimizu

Comments: in Proceedings of Int. conf. in hohour of the 60th birthday of Marcel Arnould, The Future Astronuclear Physics, From microscopic puzzles to macroscopic nightmares, Eds. H.M.J. Boffin et al., EAS Publication Series, EDP Sciences, in press (2004)

Subjects: Astrophysics (astro-ph)

[304] arXiv:astro-ph/0406304 [pdf, other]

Title: The Role of Gas in the Merging of Massive Black Holes in Galactic Nuclei. II. Black Hole Merging in a Clumpy Disk

Andres Escala, Richard B. Larson, Paolo S. Coppi, Diego Mardones

Comments: 31 pages, 14 figures, submitted to ApJ

Journal-ref: Astrophys.J. 630 (2005) 152-166

Subjects: Astrophysics (astro-ph)

[305] arXiv:astro-ph/0406305 [pdf, other]

Title: Effects of Early Cosmic Reionization on the Substructure Problem in Galactic Halo

Hajime Susa, Masayuki Umemura

Comments: 5pages, 4 figures, accepted for publication in ApJL

Journal-ref: Astrophys.J. 610 (2004) L5-L8

Subjects: Astrophysics (astro-ph)

[306] arXiv:astro-ph/0406306 [pdf, other]

Title: Secular evolution versus hierarchical merging: galaxy evolution along the Hubble sequence, in the field and rich environments

Francoise Combes (Lerma, Observatoire de Paris)

Comments: 18 pages, 8 figures, review paper to "Penetrating Bars through Masks of Cosmic Dust: the Hubble Tuning Fork Strikes a New Note", Pilanesberg, ed. D. Block et al., Kluwer

Subjects: Astrophysics (astro-ph)

[307] arXiv:astro-ph/0406307 [pdf, other]

Title: Detection of Lyman-alpha emission from a DLA galaxy: Possible implications for a luminosity-metallicity relation at z = 2-3

P. Moller, J.P.U. Fynbo, S.M. Fall

Comments: Accepted for publication in A&A-Letters

Journal-ref: Astron.Astrophys. 422 (2004) L33-L37

Subjects: Astrophysics (astro-ph)

[308] arXiv:astro-ph/0406308 [pdf, other]

Title: Protostars in the Elephant Trunk Nebula

William T. Reach, Jeonghee Rho, Erick Young, James Muzerolle, Sergio Fajardo-Acosta, Lee Hartmann, Aurora Sicilia-Aguilar, Lori Allen, Sean Carey, Jean-Charles Cuillandre, Thomas H. Jarrett, Patrick Lowrance, Anthony Marston, Alberto Noriega-Crespo, Robert L. Hurt

Comments: Spitzer first ApJS special issue (in press)

Journal-ref: Astrophys.J.Suppl.154:385-390,2005

Subjects: Astrophysics (astro-ph)

[309] arXiv:astro-ph/0406309 [pdf, other]

Title: VLT FORS-1 observations of NGC 6397: Evidence for mass segregation

G. Andreuzzi (1 and 2), V. Testa (1), G. Marconi (1 and 3), G. Alcaino (4), F. Alvarado (4), R. Buonanno (1 and 5) ((1) INAF-Osservatorio Astronomico di Roma, (2) INAF-Centro Galilei Galilei, (3) ESO-Chile, (4) Isaac Newton Institute of Chile, (5) Universita' di Roma, Tor Vergata)

Comments: 11 pages; 15 figures; accepted for publication on Astronomy and Astrophysics

Journal-ref: Astron.Astrophys. 425 (2004) 509-518

Subjects: Astrophysics (astro-ph)

[310] arXiv:astro-ph/0406310 [pdf, other]

Title: High resolution Chandra X-ray imaging of the nucleus of M33

G. Dubus, P. A. Charles, K. S. Long

Comments: accepted for publication in A&A

Journal-ref: Astron.Astrophys. 425 (2004) 95-98

Subjects: Astrophysics (astro-ph)

[311] arXiv:astro-ph/0406311 [pdf, other]

Title: Nonradial and nonpolytropic astrophysical outflows VI. Overpressured winds and jets

Christophe Sauty, Edoardo Trussoni, Kanaris Tsinganos

Comments: received 2 December 2003 / accepted 8 April 2004

Journal-ref: Astron.Astrophys. 421 (2004) 797-809

Subjects: Astrophysics (astro-ph)

[312] arXiv:astro-ph/0406312 [pdf, other]

Title: The analysis of Abell 1835 using a deprojection technique

S.M. Jia, Y. Chen, F.J. Lu, L. Chen, F. Xiang

Comments: 10 pages, 9 figures, Accepted for A&A

Journal-ref: Astron.Astrophys. 423 (2004) 65-73

Subjects: Astrophysics (astro-ph)

[313] arXiv:astro-ph/0406313 [pdf, other]

Title: Formation and evolution of clumpy tidal tails around globular clusters

R. Capuzzo Dolcetta, P. Di Matteo, P. Miocchi

Comments: LaTeX 2e, uses AASTeX v5.x, 40 pages with 18 figures. Submitted to The Astronomical Journal

Journal-ref: Astron.J. 129 (2005) 1906

Subjects: Astrophysics (astro-ph)

[314] arXiv:astro-ph/0406314 [pdf, other]

Title: New response functions for absorption-line indices from high-resolution spectra

R. Tantalo, C. Chiosi, L. Piovan

Comments: 18 pages, to appear in Astronomy & Astrophysics

Subjects: Astrophysics (astro-ph)

[315] arXiv:astro-ph/0406315 [pdf, other]

Title: Rotating compact stars with exotic matter

Sarmistha Banik, Matthias Hanauske, Debades Bandyopadhyay, Walter Greiner

Comments: 21 pages, 11 figures; section IV and figures are modified; final version published in Phys. Rev. D

Journal-ref: Phys.Rev.D70:123004,2004

Subjects: Astrophysics (astro-ph)

[316] arXiv:astro-ph/0406316 [pdf, other]

Title: The Double-Lined Spectrum of LBV 1806-20

Donald F. Figer (STScI), Francisco Najarro (CSIC), Rolf P. Kudritzki (UH)

Comments: ApJL, accepted

Journal-ref: Astrophys.J. 610 (2004) L109-L112

Subjects: Astrophysics (astro-ph)

[317] arXiv:astro-ph/0406317 [pdf, other]

Title: Star Formation in HI Selected Galaxies I: Sample Characteristics

J. F. Helmboldt, R. A. M. Walterbos, G. D. Bothun, K. O'Neil, W. J. G. de Blok

Comments: Accepted to the Astrophysical Journal

Journal-ref: Astrophys.J. 613 (2004) 914-932

Subjects: Astrophysics (astro-ph)

[318] arXiv:astro-ph/0406318 [pdf, other]

Title: The Physics of E x B-Drifting Jets

Wolfgang Kundt (1), Gopal Krishna (2) ((1) IfA of Bonn University, (2) National Centre for Radio Astrophysics/TIFR, Pune)

Comments: 13 pages, 3 figures, appeared in JAA, final version

Journal-ref: J. Astrophys. Astr. (2004) 25, 115-127

Subjects: Astrophysics (astro-ph)

[319] arXiv:astro-ph/0406319 [pdf, other]

Title: Astrophysical Jets and Outflows

Elisabete M. de Gouveia Dal Pino

Comments: pdf file, 20 pages, 12 figures; invited review lecture for the ASSE 2004 Meeting; submitted to Advances in Spa. Research

Subjects: Astrophysics (astro-ph)

[320] arXiv:astro-ph/0406320 [pdf, other]

Title: BBN For Pedestrians

James P. Kneller, Gary Steigman

Comments: Submitted to a Focus Issue on Neutrino Physics in New Journal of Physics (this http URL)

Journal-ref: New J.Phys. 6 (2004) 117

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

[321] arXiv:astro-ph/0406321 [pdf, other]

Title: Orbital Modulation of the Apparent Dispersion Measure Towards PSR J0737-3039A

Scott M. Ransom (McGill), Donald C. Backer (Berkeley), Paul Demorest (Berkeley), Victoria M. Kaspi (McGill), R. Ramachandran (Berkeley), Jonathan Arons (Berkeley), Anatoly Spitkovsky (Berkeley; KIPAC, Stanford)

Comments: This paper has been withdrawn

Subjects: Astrophysics (astro-ph)

[322] arXiv:astro-ph/0406322 [pdf, other]

Title: Chandra Observation of the Merging Cluster A168: A Late Stage in the Evolution of a Cold Front

Eric Hallman, Maxim Markevitch

Comments: 4 pages, 3 figures, to be published in ApJ Letters

Journal-ref: Astrophys.J. 610 (2004) L81-L84

Subjects: Astrophysics (astro-ph)

[323] arXiv:astro-ph/0406323 [pdf, other]

Title: Class Discovery in Galaxy Classification

David Bazell, David J. Miller

Journal-ref: Astrophys.J. 618 (2005) 723-732

Subjects: Astrophysics (astro-ph)

[324] arXiv:astro-ph/0406324 [pdf, other]

Title: N-Body Growth of a Bahcall-Wolf Cusp Around a Black Hole

Miguel Preto, David Merritt, Rainer Spurzem

Comments: 4 pages, 3 figures

Journal-ref: Astrophys.J. 613 (2004) L109

Subjects: Astrophysics (astro-ph)

[325] arXiv:astro-ph/0406325 [pdf, other]

Title: The Discovery of a Hyperluminal Source in the Radio Afterglow of GRB 030329

Shlomo Dado, Arnon Dar, A. De Rujula

Comments: Modified after we found a very relevant reference (Matheson et al. 2003)

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

[326] arXiv:astro-ph/0406326 [pdf, other]

Title: Deep 3.8 micron Observations of the Trapezium Cluster

C.J. Lada (1), A. A. Muench (1), E. A. Lada (2), J. F. Alves (3) ((1) Harvard-Smithsonian CfA, (2) University of Florida, (3) European Southern Observatory)

Comments: 27 pages, 7 figures, AASTeX5.2. Accepted to the Astronomical Journal. Figure 2 is submitted in jpeg format. See also this http URL

Subjects: Astrophysics (astro-ph)

[327] arXiv:astro-ph/0406327 [pdf, other]

Title: The Relation of Compact Groups of Galaxies with Larger-scale Structures

Heinz Andernach, Roger Coziol, (Department of Astronomy, Universidad de Guanajuato)

Comments: 10 pages, 3 figures; to appear in "Nearby Large-Scale Structures and the Zone of Avoidance", 2004 ASP Conference Series, eds. A.P. Fairall and P.A. Woudt

Subjects: Astrophysics (astro-ph)

[328] arXiv:astro-ph/0406328 [pdf, other]

Title: Nonlinear theory of a "shear-current" effect and mean-field magnetic dynamos

I. Rogachevskii, N. Kleeorin

Comments: 16 pages, 4 figures, REVTEX4, revised version, Phys. Rev. E, v. 70, in press (2004)

Journal-ref: Phys.Rev. E70 (2004) 046310

Subjects: Astrophysics (astro-ph)

[329] arXiv:astro-ph/0406329 [pdf, other]

Title: Models of the ICM with Heating and Cooling: Explaining the Global and Structural X-ray Properties of Clusters

Ian G. McCarthy (1), Michael L. Balogh (2, 3), Arif Babul (1), Gregory B. Poole (1), Donald J. Horner (4) ((1) University of Victoria, (2) University of Durham, (3) University of Waterloo, (4) University of Massachusetts)

Comments: 20 pages, 15 figures, accepted for publication in the Astrophysical Journal

Journal-ref: Astrophys.J. 613 (2004) 811-830

Subjects: Astrophysics (astro-ph)

[330] arXiv:astro-ph/0406330 [pdf, other]

Title: Co-moving space density of X-ray-selected Active Galactic Nuclei

J. D. Silverman, P. J. Green, W. A. Barkhouse, R. A. Cameron, C. Foltz, B. T. Jannuzi, D.-W. Kim, M. Kim, A. Mossman, H. Tananbaum, B.J. Wilkes, M. G. Smith, R. C. Smith, P. S. Smith

Comments: 8 pages, 9 figures, 1 color figure, Expanded version accepted by ApJ

Journal-ref: Astrophys.J. 624 (2005) 630-637

Subjects: Astrophysics (astro-ph)

[331] arXiv:astro-ph/0406331 [pdf, other]

Title: Constraining the Evolution of Dark Energy with a Combination of Galaxy Cluster Observables

Sheng Wang (Columbia, Brookhaven), Justin Khoury (Columbia), Zoltan Haiman (Columbia), Morgan May (Brookhaven)

Comments: 13 pages. v2: Expanded discussion of weak lensing survey (LSST), improved CMB analysis, references added, final version published in PRD

Journal-ref: Phys.Rev.D70:123008,2004

Subjects: Astrophysics (astro-ph)

[332] arXiv:astro-ph/0406332 [pdf, other]

Title: Mid-Infrared IRS Spectroscopy of NGC 7331: A First Look at the SINGS Legacy

J.D.T. Smith, D.A. Dale, L. Armus, B.T. Draine, D.J. Hollenbach, H. Roussel, G. Helou, R.C. Kennicutt Jr., A. Li, G.J. Bendo, D. Calzetti, C.W. Engelbracht, K.D. Gordon, T.H. Jarrett, L. Kewley, C. Leitherer, S. Malhotra, M.J. Meyer, E.J. Murphy, M.W. Regan, G.H. Rieke, M.J. Rieke, M.D. Thornley, F. Walter, M.G. Wolfire

Comments: 6 pages, 5 figures, accepted for publication in ApJS Spitzer Special Issue

Subjects: Astrophysics (astro-ph)

[333] arXiv:astro-ph/0406333 [pdf, other]

Title: Automated classification of variable stars for ASAS 1-2 data

L.Eyer, C.Blake

Comments: 7 pages, 9 figures, to be submitted to MNRAS

Journal-ref: Mon.Not.Roy.Astron.Soc. 358 (2005) 30-38

Subjects: Astrophysics (astro-ph)

[334] arXiv:astro-ph/0406334 [pdf, other]

Title: High- and low-frequency quasi-periodic oscillations in the X-ray light curves of the black hole transient H1743-322

Jeroen Homan, Jon M. Miller, Rudy Wijnands, Michiel van der Klis, Tomaso Belloni, Danny Steeghs, Walter H.G. Lewin

Comments: Submitted to ApJ

Journal-ref: Astrophys.J. 623 (2005) 383-391

Subjects: Astrophysics (astro-ph)

[335] arXiv:astro-ph/0406335 [pdf, other]

Title: Status of the connection between unidentified EGRET sources and supernova remnants: The case of CTA 1

Diego F. Torres, Thomas M. Dame, Gustavo E. Romero

Comments: Presented for the proceedings of the II Workshop on Unidentified Gamma-Ray Sources, Hong Kong, June 1-4, 2004. To appear in Astrophysics and Space Science. Some changes to address referee's and readers' remarks. References added. Results unchanged

Journal-ref: Astrophys.Space Sci. 297 (2005) 393-398

Subjects: Astrophysics (astro-ph)

[336] arXiv:astro-ph/0406336 [pdf, other]

Title: A Modification To The Gaseous Pressure Gradients In Spherical Celestial Bodies: Effects Of The Thermal Motion

Huiquan Li

Comments: 4 pages, No figure

Subjects: Astrophysics (astro-ph)

[337] arXiv:astro-ph/0406337 [pdf, other]

Title: A High Spatial Resolution Infrared View of the T Tauri Multiple System

Tracy L. Beck (1 and 2), G. H. Schaefer (2), M. Simon (2), L. Prato (3), J. A. Stoesz (4), R. R. Howell (5) ((1) Gemini Observatory, (2) SUNY Stony Brook, (3) UCLA, (4) U. of Victoria, (5) U. of Wyoming)

Comments: 49 pages, including 17 figures. Accepted for publication in the Astrophysical Journal

Journal-ref: Astrophys.J.614:235-251,2004

Subjects: Astrophysics (astro-ph)

[338] arXiv:astro-ph/0406338 [pdf, other]

Title: Do We Know of Any Maunder Minimum Stars?

Jason T. Wright

Comments: 10 pages, 8 figures. Accepted by AJ

Subjects: Astrophysics (astro-ph)

[339] arXiv:astro-ph/0406339 [pdf, other]

Title: Bending instabilities at the origin of persistent warps: a new constraint on dark matter halos

Yves Revaz, Daniel Pfenniger (Geneva Observatory)

Comments: 11 pages. Accepted for publication on A&A Main Journal. Paper with full resolution images is available at : this http URL this http URL

Journal-ref: Astron.Astrophys. 425 (2004) 67-76

Subjects: Astrophysics (astro-ph)

[340] arXiv:astro-ph/0406340 [pdf, other]

Title: First observation of Jupiter by XMM-Newton

G. Branduardi-Raymont (1), R. F. Elsner (2), G. R. Gladstone (3), G. Ramsay (1), P. Rodriguez (4), R. Soria (1), J. H. Waite Jr (5) ((1) MSSL, UCL, Holmbury St Mary, UK, (2) NASA MSFC, Huntsville, USA, (3) SwRI, San Antonio, USA, (4) XMM-Newton SOC, Villafranca, Spain, (5) University of Michigan, Ann Arbor, USA)

Comments: 7 pages, 9 figures; to be published in Astronomy & Astrophysics

Journal-ref: Astron.Astrophys. 424 (2004) 331-337

Subjects: Astrophysics (astro-ph)

[341] arXiv:astro-ph/0406341 [pdf, other]

Title: Photometric variability of young brown dwarfs in the sigma Orionis open cluster

J. A. Caballero, V. J. S. Bejar, R. Rebolo, M. R. Zapatero Osorio

Comments: Accepted for publication in A&A

Journal-ref: Astron.Astrophys. 424 (2004) 857-872

Subjects: Astrophysics (astro-ph)

[342] arXiv:astro-ph/0406342 [pdf, other]

Title: The Nuclear Gas Dynamics and Star Formation of Markarian 231

R. I. Davies, L. J. Tacconi, R. Genzel

Comments: accepted for publication in ApJ; abstract given here is slightly shortened

Journal-ref: Astrophys.J. 613 (2004) 781-793

Subjects: Astrophysics (astro-ph)

[343] arXiv:astro-ph/0406343 [pdf, other]

Title: Probing galaxy density profiles with future supernova surveys

Edvard Mortsell, Haakon Dahle, Steen Hannestad

Comments: 21 pages, 5 figures. Minor changes to match version accepted in Astrophysical Journal

Journal-ref: Astrophys.J. 619 (2005) 733-740

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

[344] arXiv:astro-ph/0406344 [pdf, other]

Title: Chandra observations of the massive star-forming region S106: X-ray emission from the embedded massive protostellar object IRS 4

G. Giardino (1)F. Favata (1), G. Micela (2) ((1) RSSD - ESA (2) Osservatorio Astronomico di Palermo)

Journal-ref: Astron.Astrophys. 424 (2004) 965-978

Subjects: Astrophysics (astro-ph)

[345] arXiv:astro-ph/0406345 [pdf, other]

Title: The XMM-Newton/2dF survey VII. Is there any X-ray absorption in optically selected QSOs?

A. Akylas (1,2), A. Georgakakis (1), I. Georgantopoulos (1) (1 - National Observatory of Athens, 2 - University of Athens)

Comments: To appear in MNRAS, 9 pages, 8 figures

Subjects: Astrophysics (astro-ph)

[346] arXiv:astro-ph/0406346 [pdf, other]

Title: On the use of photometric redshifts for X-ray selected AGNs

S. Kitsionas (1,2), E. Hatziminaoglou (3), A. Georgakakis (1), I. Georgantopoulos (1) ((1) Institute of Astronomy & Astrophysics, National Observatory of Athens, Greece, (2) Astrophysikalisches Institut Potsdam, Germany, (3) Instituto de Astrofisica de Canarias, Spain)

Comments: Replaced due to extended revision; 11 pages, 4 figures; Accepted in A&A

Journal-ref: Astron.Astrophys.434:475,2005

Subjects: Astrophysics (astro-ph)

[347] arXiv:astro-ph/0406347 [pdf, other]

Title: X-ray emission from the nuclei, lobes and hot-gas environments of two FR-II radio galaxies

J.H. Croston, M. Birkinshaw, M.J. Hardcastle, D.M. Worrall

Comments: 12 pages, 9 figures. Accepted for publication in MNRAS. Version with full-resolution images at this http URL

Subjects: Astrophysics (astro-ph)

[348] arXiv:astro-ph/0406348 [pdf, other]

Title: The photospheric abundances of active binaries III. Abundance peculiarities at high activity level

T. Morel (1), G. Micela (1), F. Favata (2), D. Katz (3) ((1) Osservatorio di Palermo, (2) ESTEC, (3) Observatoire de Paris)

Comments: Accepted for publication in A&A, 17 pages, 7 figures (6 in colour)

Journal-ref: Astron.Astrophys. 426 (2004) 1007-1020

Subjects: Astrophysics (astro-ph)

[349] arXiv:astro-ph/0406349 [pdf, other]

Title: Parsec-scale X-ray Flows in High-mass Star-forming Regions

L. Townsley, E. Feigelson, T. Montmerle, P. Broos, Y.-H. Chu, G. Garmire, K. Getman

Comments: 10 pages, 14 figures, to appear in the Proceedings of "X-Ray and Radio Connections," Santa Fe, NM, 3-6 February, 2004

Subjects: Astrophysics (astro-ph)

[350] arXiv:astro-ph/0406350 [pdf, other]

Title: The distance to the Sgr dwarf spheroidal galaxy from the Red Giant Branch Tip

L. Monaco (1,2,3), M. Bellazzini (2), F.R. Ferraro (3), E. Pancino (2) ((1) INAF - Osservatorio Astronomico di Trieste, (2) INAF - Osservatorio Astronomico di Bologna, (3) Università di Bologna)

Comments: 6 pages, 5 figure, Accepted for publication in MNRAS

Subjects: Astrophysics (astro-ph)