The Daily Brew
Selected astro-ph abstracts for Thursday 2012 December 20
- Helium in natal HII regions: the origin of the X-ray absorption in gamma-ray burst afterglows.
Darach Watson (1), Tayyaba Zafar (2), Anja C. Andersen (1), Johan P. U. Fynbo (1), Javier Gorosabel (3), Jens Hjorth (1), Páll Jakobsson (4), Thomas Krühler (1), Peter Laursen (1), Giorgos Leloudas (1,5), Daniele Malesani (1) ((1) DARK, U. Copenhagen, (2) LAM-CNRS, (3) IAA-CSIC, (4) U. Iceland, (5) OKC, U. Stockholm)
arXiv:1212.4492v1
- The z=5 Quasar Luminosity Function from SDSS Stripe 82.
Ian D. McGreer, Linhua Jiang, Xiaohui Fan, Gordon T. Richards, Michael A. Strauss, Nicholas P. Ross, Martin White, Yue Shen, Donald P. Schneider, Adam D. Myers, W. Niel Brandt, Colin DeGraf, Eilat Glikman, Jian Ge, Alina Streblyanska
arXiv:1212.4493v1
- Bayesian analysis of ages, masses, and distances to cool stars with non-LTE spectroscopic parameters.
Aldo Serenelli (1), Maria Bergemann (2), Gregory Ruchti (3), Luca Casagrande (4) ((1) Institute of Space Sciences (CSIC-IEEC), (2) Max Planck for Astrophysics, (3) Lund Observatory, (4) Research School of Astronomy, Mount Stromlo)
arXiv:1212.4497v1
- Systematic effects in large-scale angular power spectra of photometric quasars and implications for constraining primordial nongaussianity.
Anthony R. Pullen, Christopher M. Hirata
arXiv:1212.4500v1
- Cross-Correlation of SDSS DR7 Quasars and DR10 BOSS Galaxies: The Weak Luminosity Dependence of Quasar Clustering at z~0.5.
Yue Shen, Cameron K. McBride, Martin White, Zheng Zheng, Adam D. Myers, Hong Guo, Jessica A. Kirkpatrick, Nikhil Padmanabhan, John K. Parejko, Nicholas P. Ross, David J. Schlegel, Donald P. Schneider, Alina Streblyanska, Molly E. C. Swanson, Idit Zehavi, Kaike Pan, Dmitry Bizyaev, Howard Brewington, Garrett Ebelke, Viktor Malanushenko, Elena Malanushenko, Daniel Oravetz, Audrey Simmons, Stephanie Snedden
arXiv:1212.4526v1
- Density thresholds in and efficiencies of star formation.
Andreas Burkert, Lee Hartmann
arXiv:1212.4543v1
- Metallicity Bias in the Kinematics of the Milky Way Stellar Halo.
P. R. Kafle, S. Sharma, G. F. Lewis, J. Bland-Hawthorn
arXiv:1212.4576v1
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