The Daily Brew
Selected astro-ph abstracts for Tuesday 2009 March 17
- Abundance ratios in red-sequence galaxies over a wide mass range: The " X-planes ' ' for magnesium, calcium, carbon and nitrogen.
Russell J. Smith, John R. Lucey, Michael J. Hudson, Terry J. Bridges
arXiv:0903.2473v2
- Galaxy Clusters in Formation: Determining the Age of the Red-Sequence in Optical and X-ray Clusters at z~1 with HST.
Benjamin P. Koester, Michael D. Gladders, David G. Gilbank, H.K.C. Yee, Kyle Barbary, Kyle S. Dawson, Joshua Meyers, Saul Perlmutter, David Rubin, Nao Suzuki
arXiv:0903.2478v1
- Compact High-Redshift Galaxies Are the Cores of Present-Day Massive Spheroids.
Philip F. Hopkins (1), Kevin Bundy (1), Norman Murray (2), Eliot Quataert (1), Tod Lauer (3), Chung-Pei Ma (1) ((1) Berkeley, (2) CITA, (3) NOAO)
arXiv:0903.2479v1
- The Optical Gravitational Lensing Experiment. The OGLE-III Catalog of Variable Stars. III. RR Lyrae Stars in the Large Magellanic Cloud.
I. Soszynski, A. Udalski, M.K. Szymanski, M. Kubiak, G. Pietrzynski, L. Wyrzykowski, O. Szewczyk, K. Ulaczyk, R. Poleski
arXiv:0903.2482v1
- An Alternative Symbiotic Channel to Type Ia Supernovae.
Guoliang Lv, Chunhua Zhu, Zhaojun Wang, Na Wang
arXiv:0903.2636v1
- Unstable Planetary Systems Emerging Out Of Gas Disks.
Soko Matsumura, Edward W. Thommes, Sourav Chatterjee, Frederic A. Rasio
arXiv:0903.2660v1
- Activity-induced radial velocity jitter in a flaring M dwarf.
Ansgar Reiners
arXiv:0903.2661v1
- The Last Gasp of Gas Giant Planet Formation: A Spitzer Study of the 5 Myr-old Cluster NGC 2362.
Thayne Currie (1), Charles J. Lada (1), Peter Plavchan (2), Thomas Robitaille (1), Jonathan Irwin (1), Scott J. Kenyon (1) ((1) Harvard-Smithsonian Center for Astrophysics, (2) NASA Exoplanet Science Institute, Caltech)
arXiv:0903.2666v1
- Double-Overtone Cepheids in the Large Magellanic Cloud.
W. A. Dziembowski, R. Smolec
arXiv:0903.2676v1
- The Transit Light Curve Project. XII. Six Transits of the Exoplanet XO-2b.
Jose M. Fernandez (1 and 2), Matthew J. Holman (1), Joshua N. Winn (3), Guillermo Torres (1), Avi Shporer (4), Tsevi Mazeh (4), Gilbert A. Esquerdo (1), Mark E. Everett (5) ((1) Harvard-Smithsonian Center for Astrophysics, (2) Department of Astronomy, Pontificia Universidad Catolica de Chile, (3) Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, (4) Wise Observatory, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, (5) Planetary Science Institute)
arXiv:0903.2687v1
- The Vela Cloud: A Giant HI Anomaly in the NGC 3256 Group.
Jayanne English, Baerbel Koribalski, Joss Bland-Hawthorn, Ken Freeman, Claudia McCain
arXiv:0903.2690v1
- The origin of the positron excess in cosmic rays.
Pasquale Blasi (INAF/Arcetri)
arXiv:0903.2794v1
- The dusty nuclear torus in NGC4151: constraints from Gemini NIFS observations.
Rogemar A. Riffel, Thaisa Storchi-Bergmann, Peter J. Mcgregor
arXiv:0903.2798v1
- The Suzaku View of the Swift/BAT AGNs (II): Time Variability and Spectra of Five " Hidden " AGNs.
Lisa Winter (CASA/CU-Boulder), Richard Mushotzky (NASA GSFC), Yuichi Terashima (Ehime University), Yoshihiro Ueda (University of Kyoto)
arXiv:0903.2802v1
- On the peculiar momentum of baryons after Reionization.
Carlos Hernandez-Monteagudo (1), Shirley Ho (2) ((1) MPA, (2) Lawrence Berkeley National Laboratory)
arXiv:0903.2814v1
- Identifying Dark Matter Annihilation Products In The Diffuse Gamma Ray Background.
Scott Dodelson, Alexander V. Belikov, Dan Hooper, Pasquale Serpico
arXiv:0903.2829v1
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