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astro-ph2005
Infrared Number Counts of AGN in the GOODS Fields
E. Treister, C. Megan Urry, the GOODS AGN Team
Using the known numbers and evolution of unobscured AGN, and assuming that there is a large number of corresponding obscured AGN -- as expected if AGN unification is correct -- we…
astro-ph1998
Observational Constraints on the Origin of Metals in Cool DA-type White Dwarfs
R. Chary, B. Zuckerman, E. E. Becklin
We present ISOCAM 7 micron and 15 micron observations of 12 nearby white dwarfs, 6 of which have been found to have metals such as Ca, Mg and Fe in their photospheres. Our purpose…
astro-ph1998
The High Energy Gamma-Ray Background as a Probe of the Dark Matter in the Galactic Halo
R. Chary, E. L. Wright
We present constraints on the density of halo dark matter candidates within the solar circle based on the anisotropy in the high energy gamma-ray background. The known galactic com…