6 papers
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…
X-ray constraints on ionizing photons from accreting black holes at Z~6
Leonidas A. Moustakas, Stefan Immler
Using an X-ray stacking procedure, we provide a robust upper limit to the X-ray luminosity per object of a set of 54 z~5.8 galaxy candidates in the Hubble Ultra Deep Field, which i…
Stellar Populations and Galaxy Morphology at High Redshift
Andrew Bunker, Hyron Spinrad, Daniel Stern +4
In this article we investigate the morphology and stellar populations of high-redshift galaxies through multi-waveband HST imaging and ground-based spatially-resolved spectroscopy.…
WOMBAT & FORECAST: Making Realistic Maps of the Microwave Sky
Andrew H. Jaffe, Eric Gawiser, Douglas Finkbeiner +11
The Wavelength-Oriented Microwave Background Analysis Team (WOMBAT) is constructing microwave maps which will be more realistic than previous simulations. Our foreground models rep…
The WOMBAT Challenge: A "Hounds and Hares" Exercise for Cosmology
Eric Gawiser, Douglas Finkbeiner, Andrew Jaffe +10
The Wavelength-Oriented Microwave Background Analysis Team (WOMBAT) is constructing microwave skymaps which will be more realistic than previous simulations. Our foreground models…
Resolving the Stellar Populations in a z=4.04 Lensed Galaxy
A. J. Bunker, L. A. Moustakas, M. Davis +3
We have recently obtained deep near-IR Keck imaging of a newly-discovered z=4.04 galaxy (Frye & Broadhurst 1998). This is lensed by the rich foreground cluster Abell 2390 (z=0.23)…