The Daily Brew
Selected astro-ph abstracts for Friday March 28
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Simulations of Ultrarelativistic Magnetodynamic Jets from Gamma-ray
Burst Engines
Alexander Tchekhovskoy (1), Jonathan C. McKinney (2), Ramesh Narayan
(1) ((1) Harvard CfA/ITC, (2) Stanford University/KIPAC)
arXiv:0803.3807
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A Candidate Brightest Proto-Cluster Galaxy at z = 3.03
Jeff Cooke, Elizabeth J. Barton, James S. Bullock, Kyle R. Stewart,
and Arthur M. Wolfe
arXiv:0803.3808
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Temperature Differences in the Cepheid Instability Strip Require
Differences in the Period-Luminosity Relation in Slope and Zero Point
Allan Sandage (Observatories of the Carnegie Institution of
Washington, Pasadena, CA, USA) G. A. Tammann (Dept. of Physics and Astronomy,
Univ. of Basel, Switzerland)
arXiv:0803.3836
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Bandpass Dependence of X-ray Temperatures in Galaxy Clusters
Kenneth W. Cavagnolo, Megan Donahue, G. Mark Voit, and Ming Sun
arXiv:0803.3858
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Chandra LETGS spectroscopy of the Quasar MR2251-178 and its warm
absorber
J.M. Ram\'irez (1), S. Komossa (1), V. Burwitz (1) and S. Mathur (2)
((1) Max-Planck-Institut f\"ur extraterrestriche Physik, Garching, Germany,
(2) Department of Astronomy, Ohio State University, Columbus)
arXiv:0803.3932
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Towards Understanding the Mass-Metallicity relation of Quasar Absorbers:
Evidence for bimodality and consequences
Nicolas Bouche (MPE)
arXiv:0803.3944
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