The Daily Brew
Selected astro-ph abstracts for Wednesday September 12
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On the Halo Occupation of Dark Baryons
Jeremy L. Tinker (1,2), Hsiao-Wen Chen (2) ((1) KICP, (2) University
of Chicago)
arXiv:0709.1470
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Hypervelocity Stars III. The Space Density and Ejection History of Main
Sequence Stars from the Galactic Center
Warren R. Brown (1), Margaret J. Geller (1), Scott J. Kenyon (1),
Michael J. Kurtz (1), Benjamin C. Bromley (2) ((1) Smithsonian Astrophysical
Observatory (2) University of Utah)
arXiv:0709.1471
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Constraints on Circumstellar Material Around the Type Ia Supernova
2007af
Joshua D. Simon (Caltech), Avishay Gal-Yam (Caltech, Weizmann
Institute), Bryan E. Penprase (Pomona), Weidong Li (UC Berkeley), Robert M.
Quimby (Texas), Jeffrey M. Silverman (UC Berkeley), Carlos Allende Prieto, J.
Craig Wheeler (Texas), Alexei V. Filippenko (UC Berkeley), Irene T. Martinez,
Daniel J. Beeler (Pomona), Ferdinando Patat (ESO)
arXiv:0709.1472
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Converting Halpha luminosities into SFRs
Jan Pflamm-Altenburg (1 and 2), Carsten Weidner (3) and Pavel Kroupa
(1 and 2) ((1) AIfA, Bonn, Germany, (2) RSDN, (3) PUC, Santiago, Chile)
arXiv:0709.1473
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Ascertaining the Core Collapse Supernova Mechanism: An Emerging Picture?
A. Mezzacappa, S.W. Bruenn, J.M. Blondin, W.R. Hix, O.E.B. Messer
arXiv:0709.1484
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The Luminous and Carbon-Rich Supernova 2006gz: A Double Degenerate
Merger?
M. Hicken, P. M. Garnavich, J. L. Prieto, S. Blondin, D. L. DePoy, R.
P. Kirshner, J. Parrent
arXiv:0709.1501
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The Bizarre Spectral Variability of Central Stars of Planetary Nebulae
Orsola De Marco, S. Wortel, Howard E. Bond, and Dianne Harmer
arXiv:0709.1508
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The Most Dark Matter Dominated Galaxies: Predicted Gamma-ray Signals
from the Faintest Milky Way Dwarfs
Louis E. Strigari, Savvas M. Koushiappas, James S. Bullock, Manoj
Kaplinghat, Joshua D. Simon, Marla Geha, Beth Willman
arXiv:0709.1510
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Origin of Chromatic Features in Multiple Quasars -Variability, Dust, or
Microlensing -
Atsunori Yonehara, Hiroyuki Hirashita, Philipp Richter
arXiv:0709.1527
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Propagation of high-energy cosmic rays in extragalactic turbulent
magnetic fields: resulting energy spectrum and composition
N. Globus, D. Allard, E. Parizot
arXiv:0709.1541
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Calibration of the galaxy cluster M_500-Y_X relation with XMM-Newton
M. Arnaud (1), E. Pointecouteau (2), G.W. Pratt (3) ((1) Service
d'Astrophysique CEA-Saclay, France (2) CESR, France (3) MPE Garching,
Germany)
arXiv:0709.1561
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Is mass loss along the red giant branch of globular clusters sharply
peaked? The case of M3
Vittoria Caloi, Francesca D'Antona
arXiv:0709.1572
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Suzaku Detection of Extended/Diffuse Hard X-Ray Emission from the
Galactic Center
Takayuki Yuasa, Ken-ichi Tamura, Kazuhiro Nakazawa, Motohide Kokubun,
Kazuo Makishima, Aya Bamba, Yoshitomo Maeda, Tadayuki Takahashi, Ken Ebisawa,
Atsushi Senda, Yoshiaki Hyodo, Takeshi Go Tsuru, Katsuji Koyama, Shigeo
Yamauchi, Hiromitsu Takahashi
arXiv:0709.1580
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The surprising external upturn of the Blue Straggler radial distribution
in M55
B. Lanzoni (1), E. Dalessandro (1,2), S. Perina (1,3), F.R. Ferraro
(1), R.T. Rood (4), A. Sollima (1) - (1 Dip. Astro., Univ. Bologna; 2 ASI,
Centro di Geodesia Spaziale, Matera; 3 INAF-Oss. Astro. Bologna, Italy; 4
Astronomy Department, University of Virginia)
arXiv:0709.1609
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The Vertical Structure of Planet-induced Gaps in Proto-Planetary Discs
R. G. Edgar and A. C. Quillen
arXiv:0709.1649
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Detection of a Third Planet in the HD 74156 System Using the
Hobby-Eberly Telescope
Jacob L. Bean, Barbara E. McArthur, G. Fritz Benedict, Amber Armstrong
arXiv:0709.1656
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Precision photometric redshift calibration for galaxy-galaxy weak
lensing
R. Mandelbaum, U. Seljak, C. M. Hirata, S. Bardelli, M. Bolzonella, A.
Bongiorno, M. Carollo, T. Contini, B. Garilli, A. Iovino, P. Kampzcyk, J.-P.
Kneib, C. Knobel, D. C. Koo, F. Lamareille, O. Le Fevre, J.-F. Leborgne, S.
J. Lilly, C. Maier, V. Mainieri, M. Mignoli, J. A. Newman, P. A. Oesch, E.
Perez-Montero, E. Ricciardelli, M. Scodeggio, J. Silverman, L. Tasca
arXiv:0709.1692
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