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|a (TOE)ost1356755
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|a E 1.99:1356755
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|a E 1.99:1356755
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|a Modelling the flaring activity of the high-z, hard X-ray-selected blazar IGR J22517+2217
|h [electronic resource] :
|b Flaring activity of IGR J22517+2217.
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|a Washington, D.C. :
|b United States. Department of Energy. ;
|a Oak Ridge, Tenn. :
|b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 2012.
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|a p. 390-397 :
|b digital, PDF file.
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|a text
|b txt
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|a online resource
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|a Published through SciTech Connect.
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|a 03/21/2012.
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|a Monthly Notices of the Royal Astronomical Society 421 1 ISSN 0035-8711 AM.
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|a G. Lanzuisi; A. De Rosa; G. Ghisellini; P. Ubertini; F. Panessa; M. Ajello; L. Bassani; Y. Fukazawa; F. D'Ammando.
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|a We present new Suzaku and Fermi data and re-analysed archival hard X-ray data from the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) and Swift-Burst Alert Telescope (BAT) surveys to investigate the physical properties of the luminous, high-redshift, hard X-ray-selected blazar IGR J22517+2217, through the modelling of its broad-band spectral energy distribution (SED) in two different activity states. Through analysis of new Suzaku data and flux-selected data from archival hard X-ray observations, we build the source SED in two different states, one for the newly discovered flare that occurred in 2005 and one for the following quiescent period. Both SEDs are strongly dominated by the high-energy hump peaked at 10<sup>20</sup>-10<sup>22</sup> Hz, which is at least two orders of magnitude higher than the low-energy (synchrotron) one at 10<sup>11</sup>-10<sup>14</sup> Hz and varies by a factor of 10 between the two states. In both states the high-energy hump is modelled as inverse Compton emission between relativistic electrons and seed photons produced externally to the jet, while the synchrotron self-Compton component is found to be negligible. In our model the observed variability can be accounted for by a variation of the total number of emitting electrons and by a dissipation region radius changing from inside to outside the broad-line region as the luminosity increases. In its flaring activity, IGR J22517+2217 is revealed as one of the most powerful jets among the population of extreme, hard X-ray-selected, high-redshift blazars observed so far.
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|b AC02-76SF00515.
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|a Astronomy And Astrophysics.
|2 edbsc.
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|a SLAC National Accelerator Laboratory.
|4 res.
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|a United States.
|b Department of Energy.
|4 spn.
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|4 dst.
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|u http://www.osti.gov/scitech/biblio/1356755
|z Online Access (via OSTI)
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|a .b91700371
|b 03-09-23
|c 08-04-17
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|a web
|b 05-20-19
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|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:1356755
|h Superintendent of Documents classification
|i web
|n 1
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