Authors
J Tueller, WH Baumgartner, CB Markwardt, GK Skinner, RF Mushotzky, M Ajello, S Barthelmy, A Beardmore, WN Brandt, D Burrows, G Chincarini, S Campana, J Cummings, G Cusumano, P Evans, E Fenimore, N Gehrels, O Godet, D Grupe, S Holland, J Kennea, HA Krimm, M Koss, A Moretti, K Mukai, JP Osborne, T Okajima, C Pagani, K Page, D Palmer, A Parsons, DP Schneider, T Sakamoto, R Sambruna, G Sato, M Stamatikos, M Stroh, T Ukwata, L Winter
Publication date
2010/1/29
Journal
The Astrophysical Journal Supplement Series
Volume
186
Issue
2
Pages
378
Publisher
IOP Publishing
Description
We present the catalog of sources detected in the first 22 months of data from the hard X-ray survey (14–195 keV) conducted with the Burst Alert Telescope (BAT) coded mask imager on the Swift satellite. The catalog contains 461 sources detected above the 4.8 σ level with BAT. High angular resolution X-ray data for every source from Swift-XRT or archival data have allowed associations to be made with known counterparts in other wavelength bands for over 97% of the detections, including the discovery of∼ 30 galaxies previously unknown as active galactic nuclei and several new Galactic sources. A total of 266 of the sources are associated with Seyfert galaxies (median redshift z∼ 0.03) or blazars, with the majority of the remaining sources associated with X-ray binaries in our Galaxy. This ongoing survey is the first uniform all-sky hard X-ray survey since HEAO-1 in 1977. Since the publication of the nine-month …
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J Tueller, WH Baumgartner, CB Markwardt, GK Skinner… - The Astrophysical Journal Supplement Series, 2010