BAT AGN Spectroscopic Survey. XVI. General Physical Characteristics of BAT Blazars

Vaidehi S. Paliya; M. Koss; B. Trakhtenbrot; C. Ricci; K. Oh; M. Ajello; D. Stern; M. C. Powell; C. M. Urry; F. Harrison; I. Lamperti; R. Mushotzky; L. Marcotulli; J. Mejía-Restrepo; D. Hartmann

doi:10.3847/1538-4357/ab2f8b

BAT AGN Spectroscopic Survey. XVI. General Physical Characteristics of BAT Blazars

Vaidehi S. Paliya, M. Koss, B. Trakhtenbrot, C. Ricci, K. Oh, M. Ajello, D. Stern, M. C. Powell, C. M. Urry, F. Harrison, I. Lamperti, R. Mushotzky, L. Marcotulli, J. Mejía-Restrepo, D. Hartmann

School of Physics and Astronomy

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Abstract

The recently released 105-month Swift-Burst Alert Telescope (BAT) all-sky hard X-ray survey catalog presents an opportunity to study astrophysical objects detected in the deepest look at the entire hard X-ray (14-195 keV) sky. Here we report the results of a multifrequency study of 146 blazars from this catalog, quadrupling the number compared to past studies, by utilizing recent data from the Fermi-Large Area Telescope (LAT), Swift-BAT, and archival measurements. In our γ-ray analysis of ∼10 yr of the LAT data, 101 are found as γ-ray emitters, whereas, 45 remains LAT undetected. We model the broadband spectral energy distributions with a synchrotron-inverse Compton radiative model. On average, BAT detected sources host massive black holes (M _bh ∼ 10⁹ M _o) and luminous accretion disks (L _d ∼ 10⁴⁶ erg s^-1). At high redshifts (z > 2), BAT blazars host more powerful jets with luminous accretion disks compared to those detected only with Fermi-LAT. We find good agreement in the black hole masses derived from the single-epoch optical spectroscopic measurements and standard accretion disk modeling approaches. Other physical properties of BAT blazars are similar to those known for Fermi-LAT detected objects.

Original language	English
Article number	154
Journal	Astrophysical Journal
Volume	881
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/ab2f8b
State	Published - 20 Aug 2019

Keywords

galaxies: active
galaxies: jets

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10.3847/1538-4357/ab2f8b

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Paliya, V. S., Koss, M., Trakhtenbrot, B., Ricci, C., Oh, K., Ajello, M., Stern, D., Powell, M. C., Urry, C. M., Harrison, F., Lamperti, I., Mushotzky, R., Marcotulli, L., Mejía-Restrepo, J., & Hartmann, D. (2019). BAT AGN Spectroscopic Survey. XVI. General Physical Characteristics of BAT Blazars. Astrophysical Journal, 881(2), [154]. https://doi.org/10.3847/1538-4357/ab2f8b

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abstract = "The recently released 105-month Swift-Burst Alert Telescope (BAT) all-sky hard X-ray survey catalog presents an opportunity to study astrophysical objects detected in the deepest look at the entire hard X-ray (14-195 keV) sky. Here we report the results of a multifrequency study of 146 blazars from this catalog, quadrupling the number compared to past studies, by utilizing recent data from the Fermi-Large Area Telescope (LAT), Swift-BAT, and archival measurements. In our γ-ray analysis of ∼10 yr of the LAT data, 101 are found as γ-ray emitters, whereas, 45 remains LAT undetected. We model the broadband spectral energy distributions with a synchrotron-inverse Compton radiative model. On average, BAT detected sources host massive black holes (M bh ∼ 109 M o) and luminous accretion disks (L d ∼ 1046 erg s-1). At high redshifts (z > 2), BAT blazars host more powerful jets with luminous accretion disks compared to those detected only with Fermi-LAT. We find good agreement in the black hole masses derived from the single-epoch optical spectroscopic measurements and standard accretion disk modeling approaches. Other physical properties of BAT blazars are similar to those known for Fermi-LAT detected objects.",

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AU - Paliya, Vaidehi S.

AU - Koss, M.

AU - Trakhtenbrot, B.

AU - Ricci, C.

AU - Oh, K.

AU - Ajello, M.

AU - Stern, D.

AU - Powell, M. C.

AU - Urry, C. M.

AU - Harrison, F.

AU - Lamperti, I.

AU - Mushotzky, R.

AU - Marcotulli, L.

AU - Mejía-Restrepo, J.

AU - Hartmann, D.

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AB - The recently released 105-month Swift-Burst Alert Telescope (BAT) all-sky hard X-ray survey catalog presents an opportunity to study astrophysical objects detected in the deepest look at the entire hard X-ray (14-195 keV) sky. Here we report the results of a multifrequency study of 146 blazars from this catalog, quadrupling the number compared to past studies, by utilizing recent data from the Fermi-Large Area Telescope (LAT), Swift-BAT, and archival measurements. In our γ-ray analysis of ∼10 yr of the LAT data, 101 are found as γ-ray emitters, whereas, 45 remains LAT undetected. We model the broadband spectral energy distributions with a synchrotron-inverse Compton radiative model. On average, BAT detected sources host massive black holes (M bh ∼ 109 M o) and luminous accretion disks (L d ∼ 1046 erg s-1). At high redshifts (z > 2), BAT blazars host more powerful jets with luminous accretion disks compared to those detected only with Fermi-LAT. We find good agreement in the black hole masses derived from the single-epoch optical spectroscopic measurements and standard accretion disk modeling approaches. Other physical properties of BAT blazars are similar to those known for Fermi-LAT detected objects.

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BAT AGN Spectroscopic Survey. XVI. General Physical Characteristics of BAT Blazars

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