Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-10-15
Astronomy and Astrophysics
Astrophysics
Proceedings for the "X-ray Surveys: in the light of new observatories" workshop (Astron. Nachrichten, in press; includes an.cl
Scientific paper
With ~2 Ms of Chandra exposure, the Chandra Deep Field-North (CDF-N) survey provides the deepest view of the Universe in the 0.5-8.0 keV band. Five hundred and three (503) X-ray sources are detected down to on-axis 0.5-2.0 keV and 2-8 keV flux limits of ~1.5x10^{-17} erg cm^{-2} s^{-1} and ~1.0x10^{-16} erg cm^{-2} s^{-1}, respectively. These flux limits correspond to L_{0.5-8.0 keV}~3x10^{41} erg s^{-1} at z=1 and L_{0.5-8.0 keV}~2x10^{43} erg s^{-1} at z=6; thus this survey is sensitive enough to detect starburst galaxies out to moderate redshift and Seyfert galaxies out to high redshift. We present the X-ray observations, describe the broad diversity of X-ray selected sources, and review the prospects for deeper Chandra exposures.
Alexander Dave M.
Bauer Franz Erik
Brandt Wiliam N.
Garmire Gordon P.
Hornschemeier Ann Elizabeth
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