Swift/BAT AGN spectroscopic survey. V. X-ray data : J/ApJS/233/17


Authors : Ricci C. orcid , Trakhtenbrot B., Koss M.J. (hide) , Trakhtenbrot B., Koss M.J. et..al

Bibcode : 2017ApJS..233...17R (ADS) (Simbad) (Objects) (hide)

CDS Keywords : Gamma rays; X-ray sources; Active gal. nuclei; BL Lac objects; Redshifts
UAT : Gamma-ray astronomy, X-ray sources, Active galactic nuclei, BL Lacertae objects, Redshifted

Observation (OC)

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Inserted into VizieR : 27-Feb-2018
Last modification : 16-May-2018

BAT AGN spectroscopic survey. V. X-ray properties of the Swift/BAT 70-month AGN catalog. (2017)

Keywords : galaxies active; galaxies: Seyfert; quasars: general X-rays: diffuse background; X-rays: general

Abstract:Hard X-ray (>=10keV) observations of active galactic nuclei (AGNs) can shed light on some of the most obscured episodes of accretion onto supermassive black holes. The 70-month Swift/BAT all-sky survey, which probes the 14-195keV energy range, has currently detected 838 AGNs. We report here on the broadband X-ray (0.3-150keV) characteristics of these AGNs, obtained by combining XMM-Newton, Swift/XRT, ASCA, Chandra, and Suzaku observations in the soft X-ray band (<=10keV) with 70-month averaged Swift/BAT data. The nonblazar AGNs of our sample are almost equally divided into unobscured (N_H_<10^22^cm^-2^) and obscured (N_H_>=10^22^cm^-2^) AGNs, and their Swift/BAT continuum is systematically steeper than the 0.3-10keV emission, which suggests ...(more)
Abstract: (hide)
Our sample consists of the 838 AGNs detected within the 70-month Swift/BAT catalog (Baumgartner+, 2013, J/ApJS/207/19). The spectral analysis was carried out combining the 70-month time-averaged Swift/BAT spectra with data obtained by several X-ray facilities: ASCA (Section 3.1), Chandra (Section 3.2), Suzaku (Section 3.3), Swift/XRT (Section 3.4), and XMM-Newton (Section 3.5). Only two AGNs (SWIFT J1119.5+5132 and SWIFT J1313.6+3650A) were not observed by any X-ray facility in the 0.3-10keV range. Details of the soft X-ray observation used for the broadband X-ray spectral analysis of each source are reported in Table 2.

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