Swift/BAT Survey: AGN Population Studies

Details Swift/BAT Survey: AGN Population Studies Swift/BAT Survey: AGN Population Studies

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...208.7101m&link_type=abstract

American Astronomical Society Meeting 208, #71.01; Bulletin of the American Astronomical Society, Vol. 38, p.148

Astronomy and Astrophysics

Astronomy

Scientific paper

The Swift gamma-ray burst observatory was launched in November, 2004. Swift detects gamma-ray bursts and autonomously performs rapid follow-up observations of the afterglows. The Burst Alert Telescope (BAT) is a wide-field coded-aperture telescope on board Swift, sensitive in the 15--150 keV X-ray band. While BAT is searching for GRB's, it is also continuously observing in the survey mode. We have constructed an all-sky hard X-ray survey from nine months of BAT data. The survey is 90% complete at the 4× 10-11 erg cm-2 s-1 level (5σ confidence). The survey detects 147 extragalactic sources at a significance of 5σ or higher. We will present a discussion of the source population, including the \log N vs. \log S and luminosity functions. In addition to total intensity, the survey contains modest spectral and temporal information on each source, which we will summarize.

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