Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541111w&link_type=abstract
American Astronomical Society, AAS Meeting #215, #411.11; Bulletin of the American Astronomical Society, Vol. 42, p.241
Astronomy and Astrophysics
Astronomy
Scientific paper
The Swift Burst Alert Telescope (BAT), while not focused on a Gamma-ray burst, conducts an all-sky survey in the 14 - 195 keV band. After the first 9 months, the BAT has detected a sample of 153 local (z 0.03) AGN at a flux limit of a few times 10-11 erg/s/cm-2 (Tueller et al. 2007). Since the AGN were detected at very high X-ray energies, they are an unbiased sample towards Compton thin AGN. We present the X-ray and optical spectral properties of a sample of the BAT AGN, including optical spectra obtained from the literature, SDSS, and our own KPNO 2.1-m observations. Among our results, we show that the optically identified Seyfert 1s and 2s have the same distribution of X-ray and [O III] luminosities. We also find that [O III] luminosity is not well-correlated with the hard X-rays and therefore not a good indicator of bolometric luminosity, supporting the results of Melendez et al. (2008).
Keeney Brian
Koss Michael
Lewis K.
Mushotzky Richard
Veilleux Sylvain
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