Computer Science – Performance
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ycat..33930425m&link_type=abstract
VizieR On-line Data Catalog: J/A+A/393/425. Originally published in: 2002A&A...393..425M
Computer Science
Performance
X-Ray Sources, Photometry
Scientific paper
We present the results of the X-ray spectral analysis of the first deep X-ray survey with the XMM-Newton observatory during Performance Verification. The X-ray data of the Lockman Hole field and the derived cumulative source counts were reported by Hasinger et al. (2001A&A...365L..45H). We restrict the analysis to the sample of 98 sources with more than 70 net counts (flux limit in the [0.5-7]keV band of 1.6x10-15erg/cm2/s) of which 61 have redshift identification. We find no correlation between the spectral index and the intrinsic absorption column density NH and, for both the Type-1 and Type-2 AGN populations, we obtain ~=2.
(1 data file).
Bergeron Jacqueline
della Ceca Roberto
Hasinger Guenter
Lehmann Ingo
Mainieri Vincenzo
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