As the epoch of spheroid formation in massive galaxies is believed to correspond to the growth of active nuclei, probing the population of obscured AGN at high redshift is a particularly important capability of deep Chandra and XMM surveys. We present first results of the ELAIS/SCUBA Chandra survey, including optical and IR spectroscopic identifications, and explote the constraints these data place on models of the XRB requiring a vast population of heavily obscured AGN.
|Title of host publication||The High Energy Universe at Sharp Focus: Chandra Science, held in conjunction with the 113th Annual Meeting of the ASP. ASP Conference Proceedings|
|Publication status||Published - 1 Jan 2002|