POSTER SOCHIAS 2017: Blazars study with the 40m telescope
7 år siden
Creative Commons CC BY 4.0
Blazars are a type of Active Galactic Nucleus (AGN), characterized by the emission of a relativistic jet that points close to our line of sight. They are extremely powerful, variable emitters from radio to gamma-ray wavelengths. By cross-correlating light-curves from different energies, it is possible to determine the physical condition of the blazar emitting region, i.e. mechanism, morphology, distance from block hole to the actual emission, etc. In 2007, the 40m telescope at the Owens Valley Radio Observatory (OVRO) embarked on a new research campaign. In support of the Fermi Gamma-ray Space Telescope, the OVRO 40m telescope is monitoring more than 1800 blazars twice per week. In 2014, a new Ku-band spectropolarimeter receiver, KuPol, was installed on the 40m telescope with the aim of elucidating about potential spectral fluctuations that may arise during the flaring events. In this poster, we will present relevant information and preliminar results from KuPol and the actual status of its calibration, and also as well as the current state of the PSD analysis, where we are applying Fourier Transform to the signals.