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Title: Extremes of the jet–accretion power relation of blazars, as explored by NuSTAR

Journal Article · · Monthly Notices of the Royal Astronomical Society
 [1];  [2];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [5];  [10]
  1. Univ. di Milano - Bicocca, Milano (Italy)
  2. INAF - Osservatorio Astronomico di Brera, Merate (Italy)
  3. ASI Science Data Center, Roma (Italy); INAF - Osservatorio Astronomico di Roma, Monteporzio Catone (Italy)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  6. Univ. of California, Berkeley, CA (United States)
  7. Technical Univ. of Denmark, Lyngby (Denmark)
  8. Technical Univ. of Denmark, Lyngby (Denmark); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  9. Columbia Univ., New York, NY (United States)
  10. NASA Goddard Space Flight Center, Greenbelt, MD (United States)
+ Show Author Affiliations

Hard X-ray observations are crucial to study the non-thermal jet emission from high-redshift, powerful blazars. We observed two bright z > 2 flat spectrum radio quasars (FSRQs) in hard X-rays to explore the details of their relativistic jets and their possible variability. S5 0014+81 (at z = 3.366) and B0222+185 (at z=2.690) have been observed twice by the Nuclear Spectroscopic Telescope Array (NuSTAR) simultaneously with Swift/XRT, showing different variability behaviors. We found that NuSTAR is instrumental to explore the variability of powerful high-redshift blazars, even when no gamma-ray emission is detected. The two sources have proven to have respectively the most luminous accretion disk and the most powerful jet among known blazars. Furthermore, thanks to these properties, they are located at the extreme end of the jet-accretion disk relation previously found for gamma-ray detected blazars, to which they are consistent.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1331391
Report Number(s):
SLAC-PUB-16867
Journal Information:
Monthly Notices of the Royal Astronomical Society, Vol. 462, Issue 2; ISSN 0035-8711
Publisher:
Royal Astronomical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 22 works
Citation information provided by
Web of Science

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Cited By (11)

Blazar jets as the most efficient persistent engines journal August 2019
Hard X-ray properties of NuSTAR blazars journal November 2018
The role of AGN jets in the reionization epoch journal September 2018
SED Constraints on the Highest- z Blazar Jet: QSO J0906+6930 journal March 2018
Detection of a Gamma-Ray Flare from the High-redshift Blazar DA 193 journal February 2019
X-Ray Spectrum of RBS 315: Absorption or Intrinsic Curvature journal September 2019
NuSTAR Perspective on High-redshift MeV Blazars journal February 2020
On the Jet Properties of γ -Ray-loud Active Galactic Nuclei journal April 2018
NuSTAR perspective on high-redshift MeV blazars text January 2020
SED constraints on the highest-$z$ blazar jet: QSO J0906+6930 text January 2018
Blazar jets as the most efficient persistent engines preprint January 2018

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
galaxies: active
quasars: general
quasars: individual: B0222+185
quasars: individual: S5 0014+813
X-rays: general