The Daily Brew
Selected astro-ph abstracts for Friday December 22
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A direct measurement of the relativistic expansion velocity of gamma-ray
burst fireballs
E. Molinari, S.D. Vergani, D. Malesani, S. Covino, P. D'Avanzo, G.
Chincarini, F.M. Zerbi, L.A. Antonelli, P. Conconi, V. Testa, G. Tosti, F.
Vitali, F. D'Alessio, G. Malaspina, L. Nicastro, E. Palazzi, D. Guetta, S.
Campana, P. Goldoni, N. Masetti, E.J.A. Meurs, A. Monfardini, L. Norci, E.
Pian, S. Piranomonte, D. Rizzuto, M. Stefanon, L. Stella, G. Tagliaferri,
P.A. Ward, G. Ihle, L. Gonzalez, A. Pizarro, P. Sinclair, J. Valenzuela
astro-ph/0612607
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IR Background Anisotropies in Spitzer GOODS images and constraints on
first galaxies
Asantha Cooray (UC Irvine), Ian Sullivan (Caltech), Ranga-Ram Chary
(Caltech), James J. Bock (JPL), Mark Dickinson (NOAO), Henry C. Ferguson
(STSCI), Brian Keating (UCSD), Andrew Lange (Caltech), Edward L. Wright
(UCLA)
Comments: 4 pages, 3 figures; for additional information see astro-ph/0609451 ;
data products are available at http://www.cooray.org/spitzer.html
astro-ph/0612609
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Quasars with Super Metal Rich Emission Line Regions
Neelam Dhanda, Jack A. Baldwin, Misty C. Bentz and Patrick S. Osmer
astro-ph/0612610
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Constraints on Braneworld Gravity Models from a Kinematic Limit on the
Age of the Black Hole XTE J1118+480
Dimitrios Psaltis (University of Arizona)
astro-ph/0612611
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The brightest supernova ever recorded, powered by the death of an
extremely massive star
Nathan Smith, Weidong Li, Ryan J. Foley, Ryan Chornock, Alexei V.
Filippenko, David Pooley, Robert Quimby, J. Craig Wheeler, Joshua S. Bloom,
Charles Hansen
astro-ph/0612617
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Multicolor Infrared Observations of SN 2006aj, the Supernova Associated
with XRF 060218 - Paper I
Daniel Kocevski, Maryam Modjaz, Joshua S. Bloom, Ryan Foley, Daniel
Starr, Cullen H. Blake, Michael Wood-Vasey, Emilio E. Falco, Nathaniel R.
Butler, Mike Skrutskie, Andrew Szentgyorgyi
astro-ph/0612621
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Improved Distances to Type Ia Supernovae with Multicolor Light Curve
Shapes: MLCS2k2
Saurabh Jha, Adam G. Riess, Robert P. Kirshner
Comments: 66 pages, 22 figures; accepted for publication in The Astrophysical
Journal. Electronic data available at
http://astro.berkeley.edu/~saurabh/mlcs2k2/
astro-ph/0612666
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