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Chernyakova, M; Neronov, A; van Soelen, B; Callanan, P; O'Shaughnessy, L; Babyk, Iu; Tsygankov, S; Vovk, Ie; Krivonos, R; Tomsick, J. A; Malyshev, D; Li, J; Wood, K; Torres, D; Zhang, S; Kretschmar, P; McSwain, M. V; Buckley, D. A. H; Koen, C
Monthly Notices of the Royal Astronomical Society, 12/2015, Letnik: 454, Številka: 2Journal Article
We report on the results of the extensive multi-wavelength campaign from optical to GeV γ-rays of the 2014 periastron passage of PSR B1259−63, which is a unique high-mass γ-ray emitting binary system with a young pulsar companion. Observations demonstrate the stable nature of the post-periastron GeV flare and prove the coincidence of the flare with the start of rapid decay of the Hα equivalent width, usually interpreted as a disruption of the Be stellar disc. Intensive X-ray observations reveal changes in the X-ray spectral behaviour happening at the moment of the GeV flare. We demonstrate that these changes can be naturally explained as a result of synchrotron cooling of monoenergetic relativistic electrons injected into the system during the GeV flare.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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