Astronomy and Astrophysics – Astrophysics – High Energy Astrophysical Phenomena
Scientific paper
2010-09-06
Astronomy and Astrophysics
Astrophysics
High Energy Astrophysical Phenomena
2 pages, 1 figure. To be presented at IAU Symposium 275 "Jets at all scales", Buenos Aires, 13-17 September 2010
Scientific paper
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).
Angelakis Emmanouil
Bonnoli Giacomo
Calderone Giorgio
Colpi Monica
D'Ammando Filippo
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