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Selected astro-ph abstracts for Thursday August 10
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Multi-Wavelength Observations of GRB 050820A: An Exceptionally Energetic
Event Followed from Start to Finish
S. B. Cenko, M. Kasliwal, F. A. Harrison, V. Pal'shin, D. A. Frail, P.
B. Cameron, E. Berger, D. B. Fox, A. Gal-Yam, S. R. Kulkarni, D.-S. Moon, E.
Nakar, E. O. Ofek, B. E. Penprase, P. A. Price, R. Sari, B. P. Schmidt, A. M.
Soderberg, R. Aptekar, D. Frederiks, S. Golenetskii, D. N. Burrows, R. A.
Chevalier, N. Gehrels, P. J. McCarthy, J. A. Nousek, S. E. Persson, T. Piran
Comments: Accepted to ApJ; 18 pages, 8 figures; High resolution version
available at http://www.srl.caltech.edu/~cenko/public/papers/grb050820a.ps
astro-ph/0608183
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Spitzer SAGE survey of the Large Magellanic Cloud II: Evolved Stars and
Infrared Color Magnitude Diagrams
R. D. Blum, J. R. Mould, K. A. Olsen, J. A. Frogel, M. Werner, M.
Meixner, F. Markwick-Kemper, R. Indebetouw, B. Whitney, M. Meade, B. Babler,
E. B. Churchwell, K. Gordon, C. Engelbracht, B. -Q. For, K. Misselt, U. Vijh,
C. Leitherer, K. Volk, S. Points, W. Reach, J. L. Hora, J. -P. Bernard, F.
Boulanger, S. Bracker, M. Cohen, Y. Fukui, J. Gallagher, V. Gorjian, J.
Harris, D. Kelly, A. Kawamura, W. B. Latter, S. Madden, A. Mizuno, N. Mizuno,
A. Nota, M. S. Oey, T. Onishi, R. Paladini, N. Panagia, P. Perez-Gonzalez, H.
Shibai, S. Sato, L. Smith, L. Staveley-Smith, A. G. G. M. Tielens, T. Ueta,
S. Van Dyk, and D. Zaritsky
Comments: LaTex, 31 pages, 10 figures. Accepted for publication in the
Astronomical Journal
astro-ph/0608189
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Formation of $z \sim 6$ quasars from hierarchical galaxy mergers
Yuexing Li (1), Lars Hernquist (1), Brant Robertson (1,2), Thomas J.
Cox (1), Philip F. Hopkins (1), Volker Springel (3), Liang Gao (4), Tiziana
Di Matteo (5), Andrew R. Zentner (2), Adrian Jenkins (4), Naoki Yoshida (6)
((1) CfA/Harvard, (2) U. Chicago, (3) MPA, (4) U. Durham, (5) Carnegie-Mellon
U., (6) Nagoya U.)
Comments: 21 pages, 14 figures, submitted to ApJ. Version with full resolution
images is available at http://www.cfa.harvard.edu/~yxli/quasar/quasar.pdf
astro-ph/0608190
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The giant arc statistics in the three year WMAP cosmological model
G. L. Li, S. Mao, Y.P. Jing, H.J. Mo, L. Gao, W.P. Lin
Comments: 6 pages, 4 figures, 1 table, accepted by MNRAS letters
astro-ph/0608192
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On the mass-to-light ratio of the local Galactic disc and the optical
luminosity of the Galaxy
Chris Flynn, Johan Holmberg, Laura Portinari, Burkhard Fuchs and
Hartmut Jahreiss
Comments: Accepted by MNRAS. 14 pages, 17 figures
astro-ph/0608193
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A probable stellar solution to the cosmological lithium discrepancy
A. J. Korn (1), F. Grundahl (2), O. Richard (3), P.S. Barklem (1), L.
Mashonkina (4), R. Collet (1), N. Piskunov (1) and B. Gustafsson (1) ((1)
Department of Astronomy and Space Physics, Uppsala University, Sweden; (2)
Department of Physics and Astronomy, University of Aarhus, Aarhus, Denmark;
(3) 3GRAAL-UMR5024/ISTEEM (CNRS), Universite Montpellier II, Montpellier,
France; (4) Institute of Astronomy, Russian Academy of Science, Moscow,
Russia)
Comments: 10 pages, 3 two-panel figures, 2 tables, includes all Supplementary
Information otherwise accessible online via www.nature.com
Journal-ref: Nature 442 (2006), 657-659
astro-ph/0608201
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The Cosmological History of Accretion onto Dark Halos and Supermassive
Black Holes
L. Miller, W. J. Percival, S. M. Croom, A. Babic
Comments: 14 pages. Accepted for publication in Astronomy and Astrophysics
astro-ph/0608202
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