Results from the AEGIS-X survey of the Extended Groth Strip

Mathematics – Probability

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The Cosmic Evolution Of Agn

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The AEGIS-X survey is a 3.4Ms Chandra survey of the Extended Groth Strip (EGS) region, designed primarily for studying the co-evolution of black holes and their host galaxies. The original phase of the survey comprised of 8 contiguous ACIS-I pointings, each with nominal exposure 200ks, covering a total area of approximately 0.67 deg^{2} in a strip of length 2 degrees. A total of 1325 band-merged sources were detected to a Poisson probability limit of 4 × 10^{-6}, with limiting fluxes of 5.3× 10^{-17} erg cm^{2} s^{-1} in the soft (0.5-2 keV) band and 3.8 × 10^{-16} erg cm^{-2} s^{-1} in the hard (2-10 keV) band. These observations cover a region with excellent supporting ground and space-based panchromatic data (e.g. GALEX, HST/ACS, CFHTLS, Spitzer/IRAC, Spitzer/MIPS, VLA) and ˜20,000 spectroscopic redshifts from the DEEP2 and DEEP3 surveys. The second phase of AEGIS-X has recently been completed and comprises of an additional 1.6Ms in the central 3 pointings in the strip, where the supporting data is strongest. I will present the first results from the new, deeper AEGIS-X survey as well as reviewing some of the key results from the survey to date. In particular I will focus on the optical spectral properties, environment, stellar mass function and morphology of the X-ray sources.

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