The Daily Brew
Selected astro-ph abstracts for Thursday 2011 March 31
- On the Distribution of Orbital Eccentricities for Very Low-Mass Binaries.
Trent J. Dupuy (CfA/SAO), Michael C. Liu (IfA/Hawaii)
arXiv:1103.5744v1
- The End of Helium Reionization at z~2.7 Inferred from Cosmic Variance in HST/COS HeII Lyman Alpha Absorption Spectra.
Gábor Worseck (1), J. Xavier Prochaska (1), Matthew McQuinn (2), Aldo Dall'Aglio (3), Cora Fechner (4), Joseph F. Hennawi (5), Dieter Reimers (6), Philipp Richter (4), Lutz Wisotzki (3) ((1) UCO/Lick Observatory at University of California Santa Cruz, (2) University of California Berkeley, (3) Astrophysikalisches Institut Potsdam, (4) Universität Potsdam, (5) Max-Planck-Institut für Astronomie, (6) Hamburger Sternwarte/Universität Hamburg)
arXiv:1103.5752v1
- Systematic Uncertainties in the Spectroscopic Measurements of Neutron-Star Masses and Radii from Thermonuclear X-ray Bursts. I. Apparent Radii.
Tolga Guver, Dimitrios Psaltis, Feryal Ozel
arXiv:1103.5767v1
- Disk Evolution in OB Associations - Deep Spitzer/IRAC Observations of IC 1795.
Veronica Roccatagliata (1,2), Jeroen Bouwman (1), Thomas Henning (1), Mario Gennaro (1), Eric Feigelson (3,4), Jinyoung Serena Kim (5), Aurora Sicilia-Aguilar (1), Warrick A. Lawson (6) ((1) Max-Planck-Institut fuer Astronomie, (2) Space Telescope Science Institute, (3) Pennsylvania State University, (4) Center for Exoplanets and Habitable Worlds, (5) Steward Observatory, (6) University of New South Wales)
arXiv:1103.5770v1
- Gravity modes as a way to distinguish between hydrogen- and helium-burning red giant stars.
Timothy R. Bedding, Benoit Mosser, Daniel Huber, Josefina Montalban, Paul Beck, Joergen Christensen-Dalsgaard, Yvonne P. Elsworth, Rafael A. Garcia, Andrea Miglio, Dennis Stello, Timothy R. White, Joris De Ridder, Saskia Hekker, Conny Aerts, Caroline Barban, Kevin Belkacem, Anne-Marie Broomhall, Timothy M. Brown, Derek L. Buzasi, Fabien Carrier, William J. Chaplin, Maria Pia Di Mauro, Marc-Antoine Dupret, Soeren Frandsen, Ronald L. Gilliland, Marie-Jo Goupil, Jon M. Jenkins, Thomas Kallinger, Steven Kawaler, Hans Kjeldsen, Savita Mathur, Arlette Noels, Victor Silva Aguirre, Paolo Ventura
arXiv:1103.5805v1
- Photometric signatures of multiple stellar populations in Galactic globular clusters.
L. Sbordone (1 and 2), M. Salaris (3 and 1), A. Weiss (1), S. Cassisi (4) ((1) Max-Planck-Institut fuer Astrophysik, Garching bei Muenchen, Germany, (2) GEPI - Observatoire de Paris, CNRS, Universite' Paris Diderot, France, (3) Astrophysics Research Institute, Liverpool John Moores University, UK, (4) INAF Osservatorio Astronomico di Collurania, Teramo, Italy)
arXiv:1103.5863v1
- The multiple planets transiting Kepler-9 I. Inferring stellar properties and planetary compositions.
Mathieu Havel (CASSIOPEE), Tristan Guillot (CASSIOPEE), D. Valencia (CASSIOPEE), Aurélien Crida (CASSIOPEE)
arXiv:1103.6020v1
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