Published in

Cambridge University Press (CUP), Proceedings of the International Astronomical Union, S245(3), p. 463-464, 2007

DOI: 10.1017/s1743921308018371

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Keck laser guide star observations of 11 GOODS-South Chandra sources at z ~ 1

Journal article published in 2007 by S. Mark Ammons, Jason Melbourne, David C. Koo, Claire E. Max ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Data provided by SHERPA/RoMEO

Abstract

AbstractThe Center for Adaptive Optics (CfAO) Treasury Survey (CATS) has observed 11 Chandra sources (10 AGN) at z ~ 1 in the GOODS-South field with the laser guide star adaptive optics (LGSAO) system at Keck Observatory. We combine this K band imaging with ACS imaging in the B, V, I, and z bands to obtain multi-color imaging at a spatial resolution better than 100 mas in all bands. We attempt to remove central optical point sources from AGN using the GALFIT (Peng et al. 2002) routine. We fit Bruzual & Charlot (2003) tau-models to the residuals and find young, dusty stellar populations in the central 1-2 kpc (the mean central optical depth at rest-frame 500 nm is 4-5).

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