Fermi-LAT and Multi-wavelength Monitoring of the Broad Line Radio Galaxy 3C 120

A. Doi; C. C. Cheung; J. Kataoka; L. Stawarz; M. A. Gurwell; M. Tahara; R. Itoh (on behalf of the Fermi-LAT collaboration); Y. Fukazawa; Y. Inoue; Y. T. Tanaka

arxiv: 1503.04248 · v1 · pith:BMWE2FWZnew · submitted 2015-03-13 · 🌌 astro-ph.HE

Fermi-LAT and Multi-wavelength Monitoring of the Broad Line Radio Galaxy 3C 120

Y. T. Tanaka , A. Doi , Y. Inoue , C. C. Cheung , L. Stawarz , Y. Fukazawa , M. A. Gurwell , M. Tahara

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J. Kataoka R. Itoh (on behalf of the Fermi-LAT collaboration)

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classification 🌌 astro-ph.HE

keywords gamma-rayradiocoreemissionfermi-latgalaxymonitoringmulti-wavelength

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We present six-year multi-wavelength monitoring result for broad-line radio galaxy 3C 120. The source was sporadically detected by Fermi-LAT and after the MeV/GeV gamma-ray detection the 43 GHz radio core brightened and a knot ejected from an unresolved core, implying that the radio-gamma phenomena are physically connected. We show that the gamma-ray emission region is located at sub-pc distance from the central black hole, and MeV/GeV gamma-ray emission mechanism is inverse-Compton scattering of synchrotron photons. We also discuss future perspective revealed by next-generation X-ray satellite Astro-H.

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Fermi-LAT and Multi-wavelength Monitoring of the Broad Line Radio Galaxy 3C 120

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