Relativistic jets in Narrow-Line Seyfert 1
Foschini, L. · Angelakis, E. · Bonnoli, G. · Calderone, G. · Colpi, M. · D'Ammando, F. · Donato, D. · Falcone, A. · Fuhrmann, L. · Ghisellini, G. · Ghirlanda, G. · Hauser, M. · Kovalev, Y. Y. · Maraschi, L. · Nieppola, E. · Richards, J. · Stamerra, A. · Tagliaferri, G. · Tavecchio, F. · Thompson, D. J. · Tibolla, O. · Tramacere, A. · Wagner, S.
Original · EN
Narrow-Line Seyfert 1 (NLS1) class of active galactic nuclei (AGNs) is generally radio-quiet, but a small percent of them are radio-loud. The recent discovery by Fermi/LAT of high-energy gamma-ray emission from 4 NLS1s proved the existence of relativistic jets in these systems. It is therefore important to study this new class of gamma-ray emitting AGNs. Here we report preliminary results about the observations of the July 2010 gamma-ray outburst of PMN J0948+0022, when the source flux exceeded for the first time 10-6 ph cm-2 s-1 (E > 100 MeV).
English translation
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