The Daily Brew
Selected astro-ph abstracts for Tuesday November 21
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TeV gamma-rays from photo-disintegration/de-excitation of cosmic-ray
nuclei
Luis A. Anchordoqui, John F. Beacom, Haim Goldberg, Sergio
Palomares-Ruiz, Thomas J. Weiler
Comments: 4 pages revtex, 1 .eps figure
astro-ph/0611580
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TeV gamma-rays and neutrinos from photo-disintegration of nuclei in
Cygnus OB2
Luis A. Anchordoqui, John F. Beacom, Haim Goldberg, Sergio
Palomares-Ruiz, Thomas J. Weiler
Comments: 19 pages revtex, 4 eps figures
astro-ph/0611581
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Chandra and Far Ultraviolet Spectroscopic Explorer Observations of z~0
Warm-Hot Gas Toward PKS 2155-304
Rik J. Williams (1,2), Smita Mathur (1), Fabrizio Nicastro (3,4,5),
Martin Elvis (3) ((1) Ohio State, (2) Leiden Observatory, (3) Harvard/CfA,
(4) UNAM, (5) OAR-INAF)
Comments: 10 pages, 9 figures, submitted to ApJ
astro-ph/0611583
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A Spitzer White Dwarf Infrared Survey
F. Mullally, Mukremin Kilic, William T. Reach, Marc J. Kuchner, Ted
von Hippel, Adam Burrows and D. E. Winget
Comments: 24 pages. Accepted by Astrophysical Journal Supplement Series
astro-ph/0611588
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The Effect of Cluster Environment on Galaxy Evolution in the Pegasus I
Cluster
Lorenza Levy (1), James A. Rose (1), Jacqueline H. van Gorkom (2),
Brian Chaboyer (3) ((1) University of North Carolina at Chapel Hill, (2)
Columbia University, (3) Dartmouth College)
Comments: Accepted for publication in AJ. Postscript version of paper and
additional online material available at
http://www.physics.unc.edu/~llevy/pegasus
astro-ph/0611591
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Low abundances of heavy elements in the solar outer layers: comparisons
of solar models with helioseismic inversions
M. Castro, S. Vauclair, O. Richard
Comments: 5 pages, 2 figures
astro-ph/0611619
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IRAS 13197-1627 has them all: Compton-thin absorption, photo-ionized
gas, thermal plasmas, and a broad Fe line
G. Miniutti (1), G. Ponti (2,3), M. Dadina (3), M. Cappi (3), G.
Malaguti (3) ((1) Institute of Astronomy, U. of Cambridge; (2) Dip. di
Astronomia U. di Bologna; (3) IASF/INAF Bologna)
Comments: accepted for publication in MNRAS
astro-ph/0611621
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A possible dearth of hot gas in galaxy groups at intermediate redshift
David S. Spiegel, Frits Paerels, Caleb A. Scharf
Comments: 16 pages, 5 figures
astro-ph/0611625
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Optimising Optimal Image Subtraction
Holger Israel, Frederic V. Hessman, Sonja Schuh
Comments: 10 pages, 6 figures. Accepted for publication in Astronomische
Nachrichten / Astronomical Notes
astro-ph/0611627
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Differences in the AGN Populations of Groups and Clusters: Clues to AGN
Evolution
Yue Shen (1,2), John S. Mulchaey (2), Somak Raychaudhury (3), Jesper
Rasmussen (3), Trevor J. Ponman (3) ((1) Princeton Univ. (2) OCIW (3)
University of Birmingham)
Comments: accepted to ApJL, 5 pages, 1 figure
astro-ph/0611635
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A Survey for Young Spectroscopic Binary K7-M4 Stars in Ophiuchus
L. Prato
Comments: 30 pages, 6 figures; accepted in Astrophysical Journal
astro-ph/0611636
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