The Daily Brew
Selected astro-ph abstracts for Friday May 12
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Constraints on Sterile Neutrino Dark Matter
Kevork Abazajian, Savvas M. Koushiappas (Los Alamos National
Laboratory)
Comments: 8 pages, 3 figures; submitted to Phys. Rev. D
Report-no: LA-UR 06-2765
astro-ph/0605271
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Spitzer IRS Spectroscopy of IRAS-Discovered Debris Disks
C. H. Chen, B. A. Sargent, C. Bohac, K. H. Kim, E. Leibensperger, M.
Jura, J. Najita, W. J. Forrest, D. M. Watson, G. C. Sloan, L. D. Keller
Comments: 66 pages, 18 figures (including 12 color figures), ApJS, in press
astro-ph/0605277
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The Cornell High-order Adaptive Optics Survey for Brown Dwarfs in
Stellar Systems-II: Results from Monte Carlo Population Analyses
J. C. Carson, S. S. Eikenberry, J. J. Smith, J. M. Cordes
Comments: Accepted for publication in the Astronomical Journal. 21 pages
including 4 figures and 1 table
astro-ph/0605283
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On-axis spectroscopy of the host galaxies of 20 optically luminous
quasars at z~0.3
G. Letawe, P. Magain, F. Courbin, P. Jablonka, K. Jahnke, G. Meylan,
and L. Wisotzki
Comments: 30 pages, 20 figures, submitted to MNRAS
astro-ph/0605288
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Deficiency of large equivalent width Lyman-alpha emission in luminous
Lyman break galaxies at z~5-6?
Masataka Ando (1), Kouji Ohta (1), Ikuru Iwata (2), Masayuki Akiyama
(3), Kentaro Aoki (3), and Naoyuki Tamura (3,4) ((1)Kyoto University,
(2)Okayama Astrophysical Observatory, (3)Subaru Telescope, (4)University of
Durham)
Comments: 12 pages, 1 figure, Accepted for publication in ApJ(letters)
astro-ph/0605289
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Why Do T Tauri Disks Accrete?
Lee Hartmann, Paola D'Alessio, Nuria Calvet, James Muzerolle
Comments: 18 pages, 1 figure, ApJ, in press
astro-ph/0605294
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Estimating the Radiative Efficiency of Magnetized Accretion Disks Around
Black Holes
Kris Beckwith, John F. Hawley and Julian H. Krolik
Comments: 28 pages, 6 figures, 7 tables. Submitted to ApJ
astro-ph/0605295
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The Influence of Large-Scale Structure on Halo Shapes and Alignments
G. Altay, J.M. Colberg, R.A.C. Croft (Carnegie-Mellon University)
Comments: 8 pages, 6 figures, accepted for publication in MNRAS
astro-ph/0605296
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A FIRST-APM-SDSS survey for high-redshift radio QSOs
R. Carballo, J.I. Gonzalez-Serrano, F.M. Montenegro-Montes, C.R. Benn,
K.-H. Mack, M. Pedani, M. Vigotti
Comments: Accepted for publication in MNRAS; 9 figures and 6 tables; Table 2 is
in landscape format
astro-ph/0605298
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Ages and metallicities of early-type galaxies in the SDSS: new insight
into the physical origin of the colour-magnitude and the Mg2-sigmaV relations
A. Gallazzi (1), S. Charlot (1,2), J. Brinchmann (3), S.D.M. White (1)
((1)MPA, Garching, (2)IAP, Paris, (3)CAUP, Porto)
Comments: 22 pages, 19 figures, accepted for publication in MNRAS
astro-ph/0605300
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Physical viscosity in smoothed particle hydrodynamics simulations of
galaxy clusters
Debora Sijacki and Volker Springel (Max Planck Institute for
Astrophysics, Garching, Germany)
Comments: 23 pages, 13 figures, MNRAS submitted. High resolution version of the
paper is available at
http://www.mpa-garching.mpg.de/~deboras/paper/viscosity.pdf
astro-ph/0605301
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