Research output: Contribution to journal › Conference article › peer-review
The Boston University blazar research group has been monitoring a sample of γ -ray blazars with the Very Long Baseline Array at 43 GHz since the launch of the Fermi Gamma-ray Space Telescope. The sample includes three gamma-ray quasars, 1222+216, 3C279, and PKS1510-089, which have been recently detected at E>0.1 TeV (VHE) with Cherenkov telescopes. The quasar 1222+216 has flared already twice at VHE γ -rays during the Fermi era. We present an analysis of the kinematics of the inner parsec-scale jet of 1222+216 during quiescent states and VHE events and discuss the possible mechanisms for VHE photon production and the location of the VHE emission sites.
Original language | English |
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Article number | 017 |
Journal | Proceedings of Science |
Volume | 2016-January |
State | Published - 2016 |
Event | 4th Annual Conference on High Energy Astrophysics in Southern Africa, HEASA 2016 - Cape Town, South Africa Duration: 13 Jan 2016 → … |
ID: 86248420