Unifying MeV-blazars with GeV-blazars

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dc.creatorBlazejowski, M.
dc.creatorSikora, M.
dc.creatorModerski, R.
dc.creatorMadejski, G.
dc.date2002-01-30
dc.date.accessioned2026-07-07T02:02:33Z
dc.date.available2026-07-07T02:02:33Z
dc.descriptionWe demonstrate that the spectral differences between Flat Spectrum Radio Quasars (FSRQ) with steep gamma-ray spectra (MeV-blazars) and FSRQ with flat gamma-ray spectra (GeV-blazars) can be explained by assuming that in the MeV-blazars, the production of gamma-rays is dominated by Comptonization of infrared radiation of hot dust, whereas in the GeV-blazars -- by Comptonization of broad emission lines. Additional ingredient, required to reach satisfactory unification, is an assumption that the radiating electrons are accelerated via a two step process, in the lower energy range -- following instabilities driven by shock-reflected ions, and in the higher energy range -- via resonant scatterings off Alfven waves. Our model predicts that on average, the MeV-blazars should vary on longer time scales than GeV-blazars.
dc.description3 pages, 4 figures, poster presented at the conference "New visions of the X-ray Universe in the XMM Newton and Chandra Era", Noordwijk, November 2001
dc.identifierhttps://arxiv.org/abs/astro-ph/0201508
dc.identifierhttp://arxiv.org/abs/astro-ph/0201508
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/4077
dc.subjectAstrophysics
dc.titleUnifying MeV-blazars with GeV-blazars
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