The Daily Brew
Selected astro-ph abstracts for Thursday July 19
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A New Constraint on the Escape Fraction in Distant Galaxies Using
Gamma-ray Burst Afterglow Spectroscopy
Hsiao-Wen Chen (U Chicago), Jason X. Prochaska (UCO/Lick Observatory)
and Nickolay Y. Gnedin (Fermi Lab)
arXiv:0707.2594
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How much 56Ni can be produced in Core-Collapse Supernovae? : Evolution
and Explosions of 30 - 100 Msun Stars
Hideyuki Umeda, Ken'ichi Nomoto
arXiv:0707.2598
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Chemical Abundances of Luminous Cool Stars in the Galactic Center from
High-Resolution Infrared Spectroscopy
Katia Cunha (1, 2), Kris Sellgren (3), Verne V. Smith (1), Solange V.
Ramirez (4), Robert D. Blum (1), Donald M. Terndrup (3) ((1) National Optical
Astronomy Observatory, (2) on leave from Observatorio Nacional, Rio de
Janeiro, Brazil, (3) Ohio State University, (4) IPAC/Caltech)
arXiv:0707.2610
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A New Sample of Low-mass Black Holes in Active Galaxies
Jenny E. Greene (Princeton), Luis C. Ho (Carnegie Observatories)
arXiv:0707.2617
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A New Quadruply Lensed Quasar: SDSSJ125107.57+293540.5
Issha Kayo, Naohisa Inada, Masamune Oguri, Patrick B. Hall,
Christopher S. Kochanek, Gordon T. Richards, Donald P. Schneider, Donald G.
York, and Kaike Pan
arXiv:0707.2651
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HE 0557-4840 - Ultra-Metal-Poor and Carbon-Rich
John E. Norris, N. Christlieb, A. J. Korn, K. Eriksson, M. S. Bessell,
Timothy C. Beers, L. Wisotzki, and D. Reimers
arXiv:0707.2657
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J0316+4328: a Probable "Asymmetric Double" Lens
E. R. Boyce (1), S. T. Myers (2), I. W. A. Browne (1), W. J. Stroman
(2, 3), N. J. Jackson (1) ((1) University of Manchester, Jodrell Bank
Observatory, (2) NRAO, (3) Iowa State University)
arXiv:0707.2679
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Origin of the Metallicity Dependence of Exoplanet Host Stars in the
Protoplanetary Disk Mass Distribution
M. C. Wyatt, C. J. Clarke, J. S. Greaves
arXiv:0707.2733
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Spitzer Transit and Secondary Eclipse Photometry of GJ 436b
Drake Deming, Joseph Harrington, Gregory Laughlin, Sara Seager, Sarah
B. Navarro, William C. Bowman, and Karen Horning
arXiv:0707.2778
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Mass-Selection and the Evolution of the Morphology-Density Relation from
z=0.8 to z=0
B. P. Holden, G. D. Illingworth, M. Franx, J. P. Blakeslee, M.
Postman, D. D. Kelson, A. van der Wel, R. Demarco, D. K. Magee, K.-V. Tran,
A. Zirm, H. Ford, P. Rosati, N. Homeier
arXiv:0707.2782
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The Evolution of the Field and Cluster Morphology-Density Relation for
Mass-Selected Samples of Galaxies
A. van der Wel, B. P. Holden, M. Franx, G. D. Illingworth, M. P.
Postman, D. D. Kelson, I. Labbe, J. P. Blakeslee, H. C. Ford
arXiv:0707.2787
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