Swift observations of the very intense flaring activity of Mrk 421 during 2006. I. Phenomenological picture of electron acceleration and predictions for MeV/GeV emission

Aims. We present the results of a deep spectral analysis of all Swift  observations of Mrk 421  between April 2006 and July 2006, when it reached its highest X-ray flux recorded until the end of 2006. The peak flux was about 85 milli-Crab in the 2.0–10.0 keV band, and the peak energy (Ep) of the spe...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2009-07, Vol.501 (3), p.879-898
Hauptverfasser:	Tramacere, A., Giommi, P., Perri, M., Verrecchia, F., Tosti, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	acceleration of particles Astronomy Earth, ocean, space Exact sciences and technology galaxies: active galaxies: BL Lacertae objects: individual: Mrk 421 radiation mechanisms: non-thermal X-rays: individuals: Mrk 421
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