The Daily Brew
Selected astro-ph abstracts for Friday May 9
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Searching for Dark Matter with X-ray Observations of Local Dwarf
Galaxies
Tesla E. Jeltema and Stefano Profumo
arXiv:0805.1054
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Spectroscopic Confirmation of Faint Lyman Break Galaxies at Redshifts
Four and Five in the Hubble Ultra Deep Field
James E. Rhoads, Sangeeta Malhotra, Norbert Pirzkal, Mark Dickinson,
Seth Cohen, Norman Grogin, Nimish Hathi, Chun Xu, and the PEARS team
arXiv:0805.1056
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Delving Deeper into the Tumultuous Lives of Galactic Dwarfs: Modeling
Star Formation Histories
Chris Orban, Oleg Y. Gnedin, Daniel R. Weisz, Evan D. Skillman, Andrew
E. Dolphin, and John A. Holtzman
arXiv:0805.1058
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Chromospheric Activity, Rotation, and Rotational Braking in M and L
Dwarfs
Ansgar Reiners, Gibor Basri
arXiv:0805.1059
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Synthetic Spectra and Colors of Young Giant Planet Atmospheres: Effects
of Initial Conditions and Atmospheric Metallicity
Jonathan J. Fortney, Mark S. Marley, Didier Saumon, Katharina Lodders
arXiv:0805.1066
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Galaxies with Wolf-Rayet signatures in the low-redshift Universe - A
survey using the Sloan Digital Sky Survey
J. Brinchmann (1, 2), D. Kunth (3), F. Durret (3) ((1) Leiden
Observatory, (2) CAUP, (3) IAP)
arXiv:0805.1073
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The Mass Distribution and Lifetime of Prestellar Cores in Perseus,
Serpens, and Ophiuchus
Melissa L. Enoch, Neal J. Evans II, Anneila I. Sargent, Jason Glenn,
Erik Rosolowsky, Philip Myers
arXiv:0805.1075
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A Characteristic Planetary Feature in Double-Peaked, High-Magnification
Microlensing Events
Cheongho Han (CBNU, Korea), B. Scott Gaudi (OSU)
arXiv:0805.1103
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The ghost of a dwarf galaxy: fossils of the hierarchical formation of
the nearby spiral galaxy NGC 5907
David Martinez-Delgado (IAC, MPIA), Jorge Penarrubia (Univ. Victoria),
R. Jay Gabany (Black Bird Observ.), Ignacio Trujillo (IAC), Steven R.
Majewski (Univ. Virginia) and Michael Pohlen (Cardiff Univ.)
arXiv:0805.1137
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AGB stars as tracers of metallicity and mean age across M33
M.-R.L. Cioni, M. Irwin, A.M.N. Ferguson, A. McConnachie, B.C. Conn,
A. Huxor, R. Ibata, G. Lewis, N. Tanvir
arXiv:0805.1143
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Comparisons between isothermal and NFW mass profiles for strong-lensing
galaxy clusters
Chenggang Shu, Binglu Zhou, Matthias Bartelmann, Julia M. Comerford,
J.-S. Huang, Yannick Mellier
arXiv:0805.1148
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Accretion-driven core collapse and the collisional formation of massive
stars
C. Clarke I. Bonnell
arXiv:0805.1176
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L dwarfs in the Hyades
E. Hogan (1), R. F. Jameson (1), S. L. Casewell (1), S. L. Osbourne
(1) and N. C. Hambly (2) ((1) Department of Physics and Astronomy, University
of Leicester, (2) Scottish Universities' Physics Alliance (SUPA), Institute
for Astronomy, School of Physics, University of Edinburgh)
arXiv:0805.1189
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Antares: Towards a Large Underwater Neutrino Experiment
M. Spurio, for the ANTARES collaboration
arXiv:0805.1191
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The Transparency of Galaxy Clusters
Jo Bovy, David W. Hogg, and John Moustakas
arXiv:0805.1200
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The Arecibo Arp 220 Spectral Census I: Discovery of the Pre-Biotic
Molecule Methanimine and New Cm-wavelength Transitions of Other Molecules
C. J. Salter, T. Ghosh, B. Catinella, M. Lebron, M. S. Lerner, R.
Minchin and E. Momjian
arXiv:0805.1205
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The Metal Content of Bulge Field Stars from FLAMES-GIRAFFE Spectra. I.
Stellar parameters and Iron Abundances
M. Zoccali, V. Hill, A. Lecureur, B. Barbuy, A. Renzini, D. Minniti,
A. Gomez, S. Ortolani
arXiv:0805.1218
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