Searching for the Sources Responsible for the Unresolved 6-8 keV Cosmic X-ray Background

Details Searching for the Sources Responsible for the Unresolved 6-8 keV Cosmic X-ray Background Searching for the Sources Responsible for the Unresolved 6-8 keV Cosmic X-ray Background

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.5204s&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #52.04; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

Using the 2 Ms Chandra Deep Field North, the deepest X-ray observation to date, we employ X-ray stacking techniques to constrain the maximum 6-8 keV flux that can be contributed by the X-ray undetected Great Observatories Origins Deep Survey (GOODS) sources from both Hubble's Advanced Camera for Surveys (ACS) and Spitzer's Infrared Array Camera (IRAC) source catalogs. We compare the combined X-ray flux of these sources with recent models of the Cosmic X-ray Background (CXB) and show that the "missing" 6-8 keV CXB cannot be completely recovered from the integrated X-ray emission from the known optical and infrared sources in the field.

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