Other
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21547302s&link_type=abstract
American Astronomical Society, AAS Meeting #215, #473.02; Bulletin of the American Astronomical Society, Vol. 42, p.520
Other
Scientific paper
With a 1 square degree field of view, a 5-10" resolution across the entire field-of-view, and ten times the collecting area of Chandra, the Wide Field X-ray Telescope (WFXT) is a proposed mission that will revolutionize the study of active galactic nuclei. Its three surveys: a 20,000 deg2 survey at 100-1000 times the sensitivity of the ROSAT All Sky Survey; a 3000 deg2 survey as sensitive as deep Chandra or XMM observations; and a 10 deg2 survey as sensitive as the deepest Chandra exposures; will detect 107 AGN over the entire AGN luminosity versus redshift plane, including millions of obscurred AGN, thousands of AGN at z>6, and even hundreds of Compton-thick AGN at z>1. The WFXT survey will be made publicly available through a series of Data releases and will be synergistic with other wide-field surveys at other wavelengths like the Large Synoptic Space Telescope and Wide-Infrared Survey Explorer. As X-ray emission is a universal feature of accretion,an X-ray selected samples of AGN tens to hundred of times that of SDSS, will critically probe the earliest stages of black hole and galaxy formation, the dependence of cosmic accretion history on galaxy merging and environment, and the history and duty cycle of nuclear activity in a galaxy lifetime. We highlight a few of these scientific goals and the impact WFXT will have in addressing these key issues; however we also remind our fellow astronomers that one of the true strengths of wide-field publicly available surveys like SDSS comes from your unforeseen contributions and insights.
Brandt Wiliam N.
Gilli Roberto
Hickox Ryan C.
Murray Stephen S.
Ptak Andrew
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