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X-Ray Surveys
P. Giommi, F. Fiore, M. Perri
A review of recent developments in the field of X-ray surveys, especially in the hard (2-10 and 5-10 keV) bands, is given. A new detailed comparison between the measurements in the…
BeppoSAX Observations of PKS 2155-304 during an active Gamma-ray State
L. Maraschi, L. Chiappetti, F. Tavecchio +8
PKS 2155-304 was observed with BeppoSAX in November 1997 for 64 ksec (total elapsed time 33.5 hours) and, for the first time, simultaneously in gamma-rays with EGRET on board the C…
BeppoSax Spectral Survey of soft X-ray selected BL Lacs
A. Wolter, A. Comastri, G. Ghisellini +10
We present X-ray spectra obtained with BeppoSAX (Satellite per Astronomia X) of 10 BL Lac objects, selected from the Einstein Medium Sensitivity and Slew Surveys. We find that in a…
The Deep X-ray Radio Blazar Survey (DXRBS)
Paolo Padovani, Eric Perlman, Paolo Giommi +4
We have undertaken a survey for blazars by correlating the ROSAT WGACAT database with publicly available radio catalogs, restricting our candidate list to serendipitous flat-spectr…