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The Australia Telescope National Facility Colloquium
15:00-16:00 Thu 09 Aug 2012

Marsfield Lecture Theatre

Lukasz Stawarz and Yasuyuki Tanaka

(Institute of Space and Astronautical Science)

Recent Fermi-LAT Results on AGN --Lukasz Stawarz and Yasuyuki Tanaka joint colloquium

"The Fermi Gamma-ray Space Telescope, formerly GLAST, was launched into a near-earth orbit on 11 June, 2008. The Large Area Telescope (LAT) is the principal scientific instrument on the Fermi spacecraft. It is an imaging
high-energy gamma-ray telescope covering the energy range from about 20 MeV to more than 300 GeV. During the first four years of its operation, Fermi/LAT has detected more than a few thousand of different astrophysical sources of high-energy gamma-ray emission, hundreds of which have been
identified with, or at least proposed to be associated with, active galactic nuclei (AGN) of different types. Most of these belong to the blazar class, but there is also a growing population of gamma-ray emitting non-blazar AGN including radio galaxies, Seyfert galaxies, etc.

In this talk we will summarize the most recent accumulation of the Fermi/LAT results on active galaxies and their relativistic jets, highlighting multiwavelength approach needed to understand the origin of the observed gamma-ray emission of AGN.

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