The Daily Brew
Selected astro-ph abstracts for Wednesday 2011 September 7
- Very Early Ultraviolet and Optical Observations of the Type Ia Supernova 2009ig.
Ryan J. Foley, P. J. Challis, A. V. Filippenko, M. Ganeshalingam, W. Landsman, W. Li, G. H. Marion, J. M. Silverman, R. L. Beaton, V. N. Bennert, S. B. Cenko, M. Childress, P. Guhathakurta, L. Jiang, R. P. Kirshner, A. Stockton, E. Tollerud, J. Vinko, J. C. Wheeler, J.-H. Woo
arXiv:1109.0987v1
- Connecting the Gamma Ray Burst Rate and the Cosmic Star Formation History: Implications for Reionization and Galaxy Evolution.
Brant E. Robertson (Caltech, Arizona), Richard S. Ellis (Caltech)
arXiv:1109.0990v1
- X-Shooter GTO: Chemical analysis of a sample of EMP candidates.
E. Caffau (1,2), P. Bonifacio (2), P. François (2,3), M. Spite (2), F. Spite (2), S. Zaggia (4), H.-G. Ludwig (1,2), L. Monaco (5), L. Sbordone (1,2,6), R. Cayrel (2), F. Hammer (2), S. Randich (7), V. Hill (8), P. Molaro (9), ((1) Zentrum für Astronomie der Universität Heidelberg, Landessternwarte, (2) GEPI, Observatoire de Paris, CNRS, Univ. Paris Diderot, (3) UPJV, Université de Picardie Jules Verne, (4) INAF - Osservatorio Astronomico di Padova, (5) European Southern Observatory, (6) Max-Planck Institut für Astrophysik, (7) INAF - Osservatorio Astrofisico di Arcetri, (8) Université de Nice Sophia Antipolis, CNRS, Observatoire de la Côte d'Azur, Laboratoire Cassiopé e, (9) INAF - Osservatorio Astronomico di Trieste)
arXiv:1109.0992v1
- Observation of an Anisotropy in the Galactic Cosmic Ray arrival direction at 400 TeV with IceCube.
IceCube Collaboration : R. Abbasi, Y. Abdou, T. Abu-Zayyad, M. Ackermann, J. Adams, J. A. Aguilar, M. Ahlers, M. M. Allen, D. Altmann, K. Andeen, J. Auffenberg, X. Bai, M. Baker, S. W. Barwick, R. Bay, J. L. Bazo Alba, K. Beattie, J. J. Beatty, S. Bechet, J. K. Becker, K.-H. Becker, M. L. Benabderrahmane, S. BenZvi, J. Berdermann, P. Berghaus, D. Berley, E. Bernardini, D. Bertrand, D. Z. Besson, D. Bindig, M. Bissok, E. Blaufuss, J. Blumenthal, D. J. Boersma, C. Bohm, D. Bose, S. Böser, O. Botner, A. M. Brown, S. Buitink, K. S. Caballero-Mora, M. Carson, D. Chirkin, B. Christy, F. Clevermann, S. Cohen, C. Colnard, D. F. Cowen, A. H. Cruz Silva, M. V. D'Agostino, M. Danninger, J. Daughhetee, J. C. Davis, C. De Clercq, T. Degner, L. Demirörs, F. Descamps, P. Desiati, G. de Vries-Uiterweerd,et al. (201 additional authors not shown)
arXiv:1109.1017v1
- Optical Spectra of Candidate Southern Hemisphere International Celestial Reference Frame (ICRF) radio sources.
O. Titov, D. L. Jauncey, H. M. Johnston, R. W. Hunstead, L. Christensen
arXiv:1109.1034v1
- A spectroscopic investigation of early-type stars in the young open cluster Westerlund 2.
Gregor Rauw, Hugues Sana, Yaël Nazé
arXiv:1109.1086v1
- Post Common Envelope Binaries from SDSS. XV: Accurate stellar parameters for a cool 0.4-solar mass white dwarf and a 0.16-solar mass M-dwarf in a 3 hour eclipsing binary.
S. Pyrzas, B. T. Gaensicke, S. Brady, S. G. Parsons, T. R. Marsh, D. Koester, E. Breedt, C. M. Copperwheat, A. Nebot Gomez-Moran, A. Rebassa-Mansergas, M. R. Schreiber, M. Zorotovic
arXiv:1109.1171v1
- Granulation in Red Giants: observations by the Kepler mission and 3D convection simulations.
S. Mathur, S. Hekker, R. Trampedach, J. Ballot, T. Kallinger, D. Buzasi, R. A. Garcia, D. Huber, A. Jimenez, B. Mosser, T. R. Bedding, Y. Elsworth, C. Regulo, D. Stello, W. J. Chaplin, J. De Ridder, S. J. Hale, K. Kinemuchi, H. Kjeldsen, F. Mullally, S. E. Thompson
arXiv:1109.1194v1
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