The Daily Brew
Selected astro-ph abstracts for Thursday 2009 June 25
- Polarization signature of gamma-ray bursts from fragmented fireballs.
Davide Lazzati (NCSU), Mitchell Begelman (JILA)
arXiv:0906.4337v1
- The Sizes of the X-ray and Optical Emission Regions of RXJ1131-1231.
X. Dai (1), C.S. Kochanek (2), G. Chartas (3), S. Kozlowski (2), C.W. Morgan (4), G. Garmire (3), E. Agol (4) ((1) Department of Astronomy, University of Michigan, (2) Department of Astronomy and Center for Cosmology and Astroparticle Physics, The Ohio State University, (3) Department of Astronomy and Astrophysics, Pennsylvania State University, (4) Department of Physics, United States Naval Academy, (5) Department of Astronomy, University of Washington)
arXiv:0906.4342v1
- The Dynamics of Radiation Pressure-Dominated HII Regions.
Mark R. Krumholz, Christopher D. Matzner
arXiv:0906.4343v1
- Galaxies-Intergalactic Medium Interaction Calculation --I. Galaxy formation as a function of large-scale environment.
Robert A. Crain (1,2), Tom Theuns (1,3), Claudio Dalla Vecchia (4), Vincent R. Eke (1), Carlos S. Frenk (1), Adrian Jenkins (1), Scott T. Kay (5), John A. Peacock (6) Frazer R. Pearce (7), Joop Schaye (4), Volker Springel (8), Peter A. Thomas (9), Simon D. M. White (8), Robert P. C. Wiersma (4) ((1) - ICC, University of Durham; (2) - CAS, Swinburne University of Technology; (3) - University of Antwerp; (4) - Leiden Observatory; (5) - Jodrell Bank, University of Manchester; (6) - IfA, University of Edinburgh; (7) - University of Nottingham; (8) - MPA Garching; (9) - University of Sussex)
arXiv:0906.4350v1
- Three-dimensional Radiative Properties of Hot Accretion Flows onto the Galactic Centre Black Hole.
Y. Kato, M. Umemura, K. Ohsuga
arXiv:0906.4395v1
- Chemical behavior of the Dwarf Irregular Galaxy NGC 6822. Its PN and HII region abundances.
Liliana Hernandez-Martinez, Miriam Peña, Leticia Carigi, Jorge Garcia-Rojas
arXiv:0906.4402v1
- Very deep spectroscopy of the Coma cluster line of sight: exploring new territories.
C. Adami, V. Le Brun, A. Biviano, F. Durret, F. Lamareille, R. Pello, O. Ilbert, A. Mazure, R. Trilling, M.P. Ulmer
arXiv:0906.4443v1
- Evolution of the X-ray Luminosity in Young HII Galaxies.
D. Rosa González (INAOE), E. Terlevich (INAOE and IoA Visiting Fellow), E. Jiménez Bailón (UNAM), R. Terlevich (INAOE and IoA Visiting Fellow), P. Ranalli (Universita di Bologna), A. Comastri (Osservatorio Astronomico di Bologna), E. Laird (Imperial College), K. Nandra (Imperial College)
arXiv:0906.4461v1
- Post-AGB stars with hot circumstellar dust: binarity of the low-amplitude pulsators.
Hans Van Winckel, Tom Lloyd Evans, Maryline Briquet, Peter De Cat, Pieter Degroote, Wim De Meester, Joris De Ridder, Pieter Deroo, Maarten Desmet, Rachel Drummond, Laurent Eyer, Martin A.T. Groenewegen, Katrien Kolenberg, David Kilkenny, Djazia Ladjal, Karolien Lefever, Thomas Maas, Fred Marang, Peter Martinez, Roy H.Østensen, Gert Raskin, Maarten Reyniers, Pierre Royer, Sophie Saesen, Katrien Uytterhoeven, Jan Vanautgaerden, Bart Vandenbussche, Francois van Wyk, Maja Vučković, Christoffel Waelkens, Wolfgang Zima
arXiv:0906.4482v1
- Witnessing the assembly at z=1.6 of a galaxy cluster (GMASS ultradeep spectroscopy of galaxies at z~2 - V).
J. Kurk (MPIA, OAA), A. Cimatti, G. Zamorani, C. Halliday, M. Mignoli, L. Pozzetti, E. Daddi, P. Rosati, M. Dickinson, M. Bolzonella, P. Cassata, A. Renzini, A. Franceschini, G. Rodighiero, S. Berta
arXiv:0906.4489v1
- Oxygen and light element synthesis by neutron-capture reactions in metal-free and extremely metal-poor AGB stars.
Takanori Nishimura, Masayuki Aikawa, Takuma Suda, Masayuki Y. Fujimoto
arXiv:0906.4494v1
- Magnetic cycles of the planet-hosting star Tau Bootis: II. a second magnetic polarity reversal.
R. Fares, J.-F. Donati, C. Moutou, D. Bohlender, C. Catala, M. Deleuil, E. Shkolnik, A.C. Cameron, M.M. Jardine, G.A.H. Walker
arXiv:0906.4515v1
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