The Daily Brew
Selected astro-ph abstracts for Tuesday February 21
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The X-ray-to-Optical Properties of Optically-Selected Active Galaxies
Over Wide Luminosity and Redshift Ranges
A. T. Steffen, I. Strateva, W. N. Brandt, D. M. Alexander, A. M.
Koekemoer, B. D. Lehmer, D. P. Schneider, C. Vignali
Comments: 16 pages, 10 figures, emulateapj. Accepted for publication in AJ
astro-ph/0602407
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Complex small-scale structure in the infrared extinction towards the
Galactic Centre
Andrew J. Gosling, Katherine M. Blundell and Reba Bandyopadhyay
Comments: 5 pages, 3 figures, accepted for publication in ApJL
astro-ph/0602410
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Measurement of \Omega_m, \Omega_{\Lambda} from a blind analysis of Type
Ia supernovae with CMAGIC: Using color information to verify the acceleration
of the Universe
A. Conley, G. Goldhaber, L. Wang, G. Aldering, R. Amanullah, E. D.
Commins, V. Fadeyev, G. Folatelli, G. Garavini, R. Gibbons, A. Goobar, D. E.
Groom, I. Hook, D. A. Howell, A. G. Kim, R. A. Knop, M. Kowalski, N.
Kuznetsova, C. Lidman, S. Nobili, P. E. Nugent, R. Pain, S. Perlmutter, E.
Smith, A. L. Spadafora, V. Stanishev, M. Strovink, R. C. Thomas, W. M.
Wood-Vasey (The Supernova Cosmology Project)
Comments: 53 pages, 15 figures, accepted for publication in The Astrophysical
Journal. Also available at http://supernova.lbl.gov
astro-ph/0602411
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The Radius-Luminosity Relationship for Active Galactic Nuclei: The
Effect of Host-Galaxy Starlight on Luminosity Measurements
Misty C. Bentz (1), Bradley M. Peterson (1), Richard W. Pogge (1),
Marianne Vestergaard (2) and Christopher A. Onken (1,3) ((1) The Ohio State
University, (2) Steward Observatory, (3) Herzberg Institute of Astrophysics)
Comments: 27 pages, 5 tables, 4 figures, accepted to ApJ; full resolution
figures available at
http://www.astronomy.ohio-state.edu/~bentz/astroph0602412.html
astro-ph/0602412
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A Keck/DEIMOS Spectroscopy of Lyman Alpha Blobs at Redshift z=3.1
Yuichi Matsuda (1), Toru Yamada (2), Tomoki Hayashino (3), Ryosuke
Yamauchi (3), Yuki Nakamura (3) ((1) Kyoto U., (2) NAO, Japan, (3) Tohoku U.)
Comments: Accepted for publication in ApJL
astro-ph/0602421
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Can sterile neutrinos be the dark matter?
Uros Seljak (ICTP, Princeton), Alexey Makarov (Princeton), Patrick
McDonald (CITA), Hy Trac (Princeton)
Comments: 4 pages, 2 figures, submitted to PRL
astro-ph/0602430
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Systematics in the X-ray Cluster Mass Estimators
E. Rasia, S. Ettori, L. Moscardini, P. Mazzotta, S. Borgani, K. Dolag,
G. Tormen, L.M. Cheng, A. Diaferio
Comments: submitted to MNRAS, 12 pages
astro-ph/0602434
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