The Daily Brew
Selected astro-ph abstracts for Wednesday February 21
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astro-ph
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A Spitzer Spectrum of the Exoplanet HD 189733b
C. J. Grillmair (1), D. Charbonneau (2), A. Burrows (3), L. Armus (1),
J. Stauffer (1), V. Meadows (1), J. van Cleve (4), and D. Levine (1) ((1)
Spitzer Science Center, (2) Harvard-Smithsonian Center for Astrophysics, (3)
Steward Observatory, (4) Ball Aerospace and Technologies Corp.)
astro-ph/0702494
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Early Gas Stripping as the Origin of the Darkest Galaxies in the
Universe
Lucio Mayer (1,2), Stelios Kazantzidis (3,4), Chiara Mastropietro (5),
James Wadsley (6) ((1) ETH Zurich, (2) University of Zurich, (3) KIPAC,
Stanford, (4) KICP, U.Chicago, (5) University Observatory Munich, (6)
McMaster University)
astro-ph/0702495
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Bounds on the mass and abundance of dark compact objects and black holes
in dwarf spheroidal galaxy halos
F.J. Sanchez-Salcedo, V. Lora (IA-UNAM, Mexico)
astro-ph/0702502
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A Spectrum of an Extrasolar Planet
L. Jeremy Richardson, Drake Deming, Karen Horning, Sara Seager, Joseph
Harrington
astro-ph/0702507
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SkyMapper and the Southern Sky Survey
S.C. Keller, B.P. Schmidt, M.S. Bessell, P.G. Conroy, P. Francis, A.
Granlund, E. Kowald, A. P. Oates, T. Martin-Jones, T. Preston, P. Tisserand,
A. Vaccarella, M.F. Waterson
astro-ph/0702511
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The Monitor project: Rotation of low-mass stars in the open cluster NGC
2516
Jonathan Irwin, Simon Hodgkin, Suzanne Aigrain, Leslie Hebb, Jerome
Bouvier, Cathie Clarke, Estelle Moraux, D.M. Bramich
astro-ph/0702518
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On the dynamical formation of accreting intermediate mass black holes
A.G. Kuranov (1), S.B. Popov (1), K.A. Postnov (1,2), M. Volonteri
(3), R. Perna (4) (1- Sternberg Astronomical Institute; 2 - Department of
Physics, Moscow State Univ.; 3 - Northwestern University, Department of
Physics and Astronomy; 4 - JILA and Department of Astrophysical and Planetary
Sciences, University of Colorado)
astro-ph/0702525
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Habitat of early life: Solar X-ray and UV radiation at Earth's surface
4-3.5 billion years ago
I. Cnossen, J. Sanz-Forcada, F. Favata, O. Witasse, T. Zegers, N. F.
Arnold
astro-ph/0702529
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Are disk galaxies the progenitors of giant ellipticals?
Thorsten Naab, Jeremiah P. Ostriker
astro-ph/0702535
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The optical and X-ray afterlows of gamma-ray bursts do not probe the
same gas: ionisation in GRB environments
D. Watson, J. Hjorth, J. P. U. Fynbo (DARK, NBI, U. Copenhagen), P.
Jakobsson (U. Herts.), S. Foley (UCD), R. A. M. J. Wijers (U. Amsterdam)
astro-ph/0702537
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Physical Properties of Kuiper Belt and Centaur Objects: Constraints from
Spitzer Space Telescope
John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John
Spencer, David Trilling, Jean-Luc Margot
astro-ph/0702538
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Simulations of Magnetically-Driven Supernova and Hypernova Explosions in
the Context of Rapid Rotation
Adam Burrows, Luc Dessart, Eli Livne, Christian D. Ott, Jeremiah
Murphy
astro-ph/0702539
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Binary star progenitors of long gamma-ray bursts
M. Cantiello, S.-C. Yoon, N. Langer and M. Livio
astro-ph/0702540
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