Computer Science
Scientific paper
Jul 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ycat..34870119d&link_type=abstract
VizieR On-line Data Catalog: J/A+A/487/119. Originally published in: 2008A&A...487..119D
Computer Science
Active Gal. Nuclei, X-Ray Sources
Scientific paper
The XMM-Newton Hard Bright Serendipitous Survey (HBSS) is part of a bigger survey project known as XMM Bright Serendipitous Survey (XBS). This latter consists of two flux-limited serendipitous samples of X-ray selected sources at high galactic latitude (|b|>20deg): the XMM BSS sample (389 sources) and the XMM HBSS sample (67 sources, with 56 sources in common with the BSS sample) having an EPIC MOS2 count rate limit, corrected for vignetting, of 10-2cts/s (2x10-3cts/s) in the 0.5-4.5keV (4.5-7.5keV) energy band; the flux limit is ~7x10-14cgs in both energy selection bands. At the time of this writing the spectroscopic identification rate is 87% for the BSS sample and 97% for the HBSS sample. The details on the XMM-Newton fields selection strategy and the source selection criteria of the XMM BSS and HBSS samples are discussed in Della Ceca et al. (2004, Cat. ), while a description of the optical data and analysis, of the optical classification scheme, and of the optical properties of the extragalactic sources identified so far, is presented in Caccianiga et al. (2008A&A...477..735C). The optical and X-ray properties of the galactic population are discussed in Lopez-Santiago et al. (2007A&A...463..165L).The current classification breakdown of the HBSS sample is as follows: 62 AGN, 1 cluster of galaxies (XBSJ 141830.5+251052), and 2 X-ray emitting stars (XBSJ 014100.6-675328 and XBSJ 123600.7-395217). Two X-ray sources (XBSJ080411.3+650906 and XBSJ 110050.6-344331) are still unidentified at the time of this writing.
In table1 we report the basic X-ray spectral properties, (e.g., photon index, intrinsic absorbing column density NH, intrinsic 2-10keV luminosity) of the HBSS AGN sample obtained from a complete X-ray spectral analysis of the XMM-Newton data.
(1 data file).
Brunner Hermann
Caccianiga Alessandro
Carrera Francicso J.
Cocchia Filomena
della Ceca Roberto
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