THE 70 MONTH SWIFT-BAT ALL-SKY HARD X-RAY SURVEY
By W. Baumgartner, J. Tueller, C. Markwardt, G. Skinner, S. Barthelmy, R. Mushotzky, P. Evans, N. Gehrels. 2012
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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 4.8σ, 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 × 10−11 erg s−1 cm−2 over 50% of the sky and 1.34 × 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.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/182df328b62b40a090e31a32236dfddc4889fa3f
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Citations in the corpus
- Cosmic X-ray surveys of distant active galaxies (2015, background): “…mitigated by the ASCA medium sensitivity survey (e.g., Akiyama et al 2003) and the high-energy all-sky X-ray surveys, such as Swift-BAT (e.g., Tueller et al 2010; Baumgartner et al 2013) and will be greatly bolstered by the XMM-Newton XXL survey, in addition to the Chandra and XMM-Newton…”