The Daily Brew
Selected astro-ph abstracts for Monday October 25
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The CIDA Variability Survey of Orion OB1. I: the low-mass population of
Ori OB 1a and 1b
Cesar Briceno (1), Nuria Calvet (2), Jesus Hernandez (1,3), A.
Katherina Vivas (1), Lee Hartmann (2), Juan J. Downes (1,4) and Perry Berlind
(2) ((1) CIDA, Merida, Venezuela, (2) SAO, Cambridge, MA, USA, (3) ULA,
Merida, Venezuela, (4) UCV, Caracas, Venezuela)
astro-ph/0410521
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Disk evolution in the Ori OB1 association
Nuria Calvet (1), Cesar Briceno (2), Jesus Hernandez (2), Sergio Hoyer
(3), Lee Hartmann (1), Aurora Sicilia-Aguilar (1), S. T. Megeath (1), and
Paola D'Alessio (4) ((1) SAO, Cambridge, MA, USA, (2) CIDA, Merida,
Venezuela, (3) PUC, Santiago, Chile, (4) CRA, Morelia, Mexico)
astro-ph/0410522
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Mid-Infrared Selection of Active Galaxies
Daniel Stern (1), Peter Eisenhardt (1), Varoujan Gorjian (1),
Christopher S. Kochanek (2), Nelson Caldwell (3), Daniel Eisenstein (4), Mark
Brodwin (1) Michael J.I. Brown (5 and 6), Richard Cool (4), Arjun Dey (6),
Paul Green (3), Buell T. Jannuzi (6), Stephen S. Murray (3), Michael A. Pahre
(3), and S.P. Willner (3) ((1) JPL/Caltech, (2) Steward, (3) CfA, (4)
Steward, (5) Princeton, (6) NOAO)
astro-ph/0410523
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The Cosmic Evolution of Hard X-ray Selected Active Galactic Nuclei
A.J. Barger, L.L. Cowie, R.F. Mushotzky, Y. Yang, W.-H. Wang, A.T.
Steffen, P. Capak
astro-ph/0410527
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Type I Migration in a Non-Isothermal Protoplanetary Disk
Hannah Jang-Condell (1 and 2) and Dimitar D. Sasselov (1) ((1)
Harvard-Smithsonian Center for Astrophysics, (2) Carnegie Institution of
Washington, Department of Terrestrial Magnetism)
astro-ph/0410550
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A new measurement of the altitude dependence of the atmospheric muon
intensity
J. J. Beatty, S. Coutu, S. A. Minnick, A. Bhattacharyya, C. R. Bower,
J. A. Musser, S. P. McKee, M. Schubnell, G. Tarle, A. D. Tomasch, A. W.
Labrador, D. Muller, S. P. Swordy, M. A. DuVernois, and S. L. Nutter
astro-ph/0410552
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