Speaker
Heike Prokoph
(Linnaeus University)
Description
VER J0521+211 (RGB J0521.8+211) is one of the brightest and most powerful blazars detected in the TeV gamma-ray regime. It is located at a redshift of z=0.108 and since its discovery in 2009, VER J0521+211 has exhibited an average TeV flux exceeding 0.1 times that of the Crab Nebula, corresponding to an isotropic luminosity of 3e44 erg s-1. We present data from a comprehensive multiwavelength campaign on this object extending between November 2012 and February 2014, including single-dish radio observations, optical photometry and polarimetry, UV, X-ray, GeV and TeV gamma-ray data (VERITAS, MAGIC). Significant flux variability was observed at all wavelengths, including a long-lasting high state at gamma-ray energies in Fall 2013. Nighly-resolved spectra at X-ray and TeV energies will be presented, and emission mechanisms explaining the observed flux and spectral variability will be discussed.
| Registration number following "ICRC2015-I/" | 601 |
|---|---|
| Collaboration | -- not specified -- |
Primary author
Heike Prokoph
(Linnaeus University)
Co-authors
Cornelia Schultz
(University of Padova, INFN Padova)
Paolo Da Vela
(University of Siena, INFN Pisa)
