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HST Imaging in the Chandra Deep Field South: II. WFPC2 Observations of an X-Ray Flux-Limited Sample from the 1 Msec Chandra Catalog
A. M. Koekemoer, N. A. Grogin, E. J. Schreier +10
We present HST/WFPC2 observations of a well-defined sample of 40 X-ray sources with X-ray fluxes above the detection threshold of the full 1 Msec Chandra Deep Field South (CDFS). T…
The ROSAT Deep Survey: VI. X-ray sources and Optical identifications of the Ultra Deep Survey
I. Lehmann, G. Hasinger, M. Schmidt +10
We describe in this paper the ROSAT Ultra Deep Survey (UDS), an extension of the ROSAT Deep Survey (RDS) in the Lockman Hole. The UDS reaches a flux level of 1.2 x 10E-15 erg/cm2/s…
New Results from the X-ray and Optical Survey of the Chandra Deep Field South: The 300ks Exposure
P. Tozzi, P. Rosati, M. Nonino +15
We present results from 300 ks of X-ray observations of the Chandra Deep Field South. The field of the four combined exposures is now 0.1035 deg^2 and we reach a flux limit of 10^{…