INTEGRAL/IBIS 7-year All-Sky Hard X-Ray Survey
Max-Planck-Institute für Astrophysik,
Garching bei München,
2 Space Research Institute, Russian Academy of Sciences, Profsoyuznaya 84/32, 117997 Moscow, Russia
3 Excellence Universe Cluster, Munich Technical University, Boltzman-Str. 2, 85748 Garching bei München, Germany
Accepted: 23 June 2010
This paper is the second in a series devoted to the hard X-ray (17 − 60 keV) whole sky survey performed by the INTEGRAL observatory over seven years. Here we present a catalog of detected sources that includes 521 objects, 449 of which exceed a 5σ detection threshold on the time-averaged map of the sky, and 53 were detected in various subsamples of exposures. Among the identified sources with known and suspected nature, 262 are Galactic (101 low-mass X-ray binaries, 94 high-mass X-ray binaries, 37 cataclysmic variables, and 30 of other types) and 221 are extragalactic, including 217 active galactic nuclei (AGNs) and 4 galaxy clusters. The extragalactic (|b| > 5°) and Galactic (|b| < 5°) persistently detected source samples have high identification completeness (respectively ~ 96% and ~ 93%) and are valuable for population studies.
Key words: surveys / X-rays: general / catalogs
Based on observations with INTEGRAL, an ESA project with instruments and science data centre funded by ESA member states (especially the PI countries: Denmark, France, Germany, Italy, Switzerland, Spain), Czech Republic, and Poland, and with the participation of Russia and the USA.
Table 2 is also available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (220.127.116.11) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/523/A61
© ESO, 2010