THE 70 MONTH SWIFT-BAT ALL-SKY HARD X-RAY SURVEY

被引：499
|
作者：
Baumgartner, W. H. [1 ,2 ,3 ]
Tueller, J. [1 ]
Markwardt, C. B. [1 ]
Skinner, G. K. [1 ,3 ,4 ,5 ]
Barthelmy, S. [1 ]
Mushotzky, R. F. [4 ]
Evans, P. A. [6 ]
Gehrels, N. [1 ]
机构：
[1] NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Greenbelt, MD 20771 USA
[2] Univ Maryland Baltimore Cty, Joint Ctr Astrophys, Baltimore, MD 21250 USA
[3] CRESST, Columbia, MD 21044 USA
[4] Univ Maryland, Dept Astron, College Pk, MD 20742 USA
[5] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany
[6] Univ Leicester, Dept Phys & Astron, Xray & Observat Astron Grp, Leicester LE1 7RH, Leics, England
来源：
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2013年 / 207卷 / 02期
关键词：
catalogs; surveys; X-rays: general; ACTIVE GALACTIC NUCLEI; INTEGRAL SOURCES; IDENTIFICATION; COUNTERPART; CATALOG; SPECTROSCOPY;
D O I：
10.1088/0067-0049/207/2/19
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present the catalog of sources detected in 70 months of observations with the Burst Alert Telescope (BAT) hard X-ray detector on the Swift gamma-ray burst observatory. The Swift-BAT 70 month survey has detected 1171 hard X-ray sources (more than twice as many sources as the previous 22 month survey) in the 14-195 keV band down to a significance level of 4.8 sigma, associated with 1210 counterparts. The 70 month Swift-BAT survey is the most sensitive and uniform hard X-ray all-sky survey and reaches a flux level of 1.03 x 10(-11) erg s(-1) cm(-2) over 50% of the sky and 1.34 x 10(-11) erg s(-1) cm(-2) over 90% of the sky. The majority of new sources in the 70 month survey continue to be active galactic nuclei, with over 700 in the catalog. As part of this new edition of the Swift-BAT catalog, we also make available eight-channel spectra and monthly sampled light curves for each object detected in the survey in the online journal and at the Swift-BAT 70 month Web site.
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页数：12
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