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Cited by 552

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BAT AGN Spectroscopic Survey. V. X-Ray Properties of the Swift/BAT 70-month AGN Catalog

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Ricci, C., Trakhtenbrot, B., Koss, M. J., Ueda, Y., Del Vecchio, I., Treister, E., Schawinski, K., Paltani, S., Oh, K., Lamperti, I., Berney, S., Gandhi, P., Ichikawa, K., Bauer, F. E., Ho, L. C., Asmus, D., Beckmann, V., Soldi, S., Baloković, M., Gehrels, N., Markwardt, C. B.·2017·The Astrophysical Journal Supplement Series

Abstract

Hard X-ray (≥10 keV) 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 14–195 keV energy range, has currently detected 838 AGNs. We report here on the broadband X-ray (0.3–150 keV) characteristics of these AGNs, obtained by combining XMM-Newton, Swift/XRT, ASCA, Chandra, and Suzaku observations in the soft X-ray band ( keV) with 70-month averaged Swift/BAT data. The nonblazar AGNs of our sample are almost equally divided into unobscured ( ) and obscured ( ) AGNs, and their Swift/BAT continuum is systematically steeper than the 0.3–10 keV emission, which suggests that the presence of a high-energy cutoff is almost ubiquitous. We discuss the main X-ray spectral parameters obtained, such as the photon index, the reflection parameter, the energy of the cutoff, neutral and ionized absorbers, and the soft excess for both obscured and unobscured AGNs.

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Metadata

Authors
Ricci, C., Trakhtenbrot, B., Koss, M. J., Ueda, Y., Del Vecchio, I., Treister, E., Schawinski, K., Paltani, S., Oh, K., Lamperti, I., Berney, S., Gandhi, P., Ichikawa, K., Bauer, F. E., Ho, L. C., Asmus, D., Beckmann, V., Soldi, S., Baloković, M., Gehrels, N., & Markwardt, C. B.
Venue
The Astrophysical Journal Supplement Series
Published
2017-12-01
Volume
233
Issue
2
Pages
17
ISSN
  • 0067-0049 (ISSN-L)
  • 1538-4365
OpenAlex
W2754328326
Cited by
552
References
100
FWCI
21.51
Type
journal article
Language
en
Open access
bronze

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Ricci, C., Trakhtenbrot, B., Koss, M. J., Ueda, Y., Del Vecchio, I., Treister, E., Schawinski, K., Paltani, S., Oh, K., Lamperti, I., Berney, S., Gandhi, P., Ichikawa, K., Bauer, F. E., Ho, L. C., Asmus, D., Beckmann, V., Soldi, S., Baloković, M., . . . Markwardt, C. B. (2017). BAT AGN Spectroscopic Survey. V. X-Ray Properties of the Swift/BAT 70-month AGN Catalog. The Astrophysical Journal Supplement Series. https://doi.org/10.3847/1538-4365/aa96ad

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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