The Daily Brew
Selected astro-ph abstracts for Wednesday January 30
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Dependence of the BALQSO fraction on Radio Luminosity
Francesco Shankar, Xinyu Dai, and Gregory R. Sivakoff (The Ohio State
University)
arXiv:0801.4379
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Combined analysis of the integrated Sachs-Wolfe effect and cosmological
implications
Tommaso Giannantonio (ICG Portsmouth), Ryan Scranton (Pittsburgh),
Robert G. Crittenden (ICG Portsmouth), Robert C. Nichol (ICG Portsmouth),
Stephen P. Boughn (Haverford), Adam D. Myers (Illinois), Gordon T. Richards
(Drexel)
arXiv:0801.4380
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Low-Level Nuclear Activity in Nearby Spiral Galaxies
Himel Ghosh (1), Smita Mathur (1), Fabrizio Fiore (2), Laura Ferrarese
(3) ((1) Ohio State University (2) INAF - Osservatorio Astronomico di Roma
(3) Herzberg Institute of Astrophysics)
arXiv:0801.4382
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LMC origin of the hyper-velocity star HE 0437-5439. Beyond the
supermassive black hole paradigm
N. Przybilla, M. F. Nieva, U. Heber, M. Firnstein, K. Butler, R.
Napiwotzki, H. Edelmann
arXiv:0801.4456
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2MASS J01542930+0053266 : A New Eclipsing M-dwarf Binary System
A.C.Becker, E.Agol, N.M.Silvestri, J.J.Bochanski, C.Laws, A.A.West,
G.Basri, V.Belokurov, D.M.Bramich, J.M.Carpenter, P.Challis, K.R.Covey,
R.M.Cutri, N.W.Evans, M.Fellhauer, A.Garg, G.Gilmore, P.Hewett, P.Plavchan,
D.P.Schneider, C.L.Slesnick, S.Vidrih, L.M.Walkowicz, D.B.Zucker
arXiv:0801.4474
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Can photo-ionization explain the decreasing fraction of X-ray obscured
AGN with luminosity?
A. Akylas and I. Georgantopoulos
arXiv:0801.4492
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Limits on the Position Wander of Sgr A*
Mark J. Reid, Avery E. Broderick, Abraham Loeb, Mareki Honma, Andreas
Brunthaler
arXiv:0801.4505
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A Correlation between Blue Straggler and Binary Fractions in the core of
Galactic Globular Clusters
A. Sollima, B. Lanzoni, G. Beccari, F.R. Ferraro, F. Fusi Pecci
arXiv:0801.4511
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Searching for a Correlation Between Cosmic-Ray Sources Above 10^{19} eV
and Large-Scale Structure
Tamar Kashti and Eli Waxman
arXiv:0801.4516
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Radial velocity mapping of Paczy\'nski's star AW UMa: Not a contact
binary
Theodor Pribulla, Slavek M. Rucinski
arXiv:0801.4537
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