MAGIC measures high flux state from the blazar 1ES0647+250
ATel #14268; Oscar Blanch(IFAE-BIST), on behalf of the MAGIC Collaboration
on 15 Dec 2020; 19:33 UT
Credential Certification: Daniela Dorner (dorner@astro.uni-wuerzburg.de)
Subjects: Gamma Ray, TeV, VHE, Request for Observations, AGN, Blazar
The MAGIC telescopes observed an increased flux at very-high-energy (VHE; >100 GeV) gamma rays from the blazar 1ES0647+250 (RA=06 50 46.49, Dec=+25 02 59.62, J2000.0). Following up on a high flux in X-rays (ATel #14264), MAGIC observed the source for a total of about 2 hours on 2020/12/15 (MJD 59198.12 to 59198.2). The observations resulted in the detection of the source with a significance of roughly 7 sigma. The corresponding preliminary flux was estimated to be about 9% of the flux of the Crab Nebula above 100 GeV.
Swift-XRT observations (ATel #14264) showed a high flux 2020/12/13 (MJD 59196) which is a bit lower compared to the highest flux measured by Swift-XRT so far (MJD 58821, see ATel #13331).
MAGIC observations on 1ES0647+250 will continue during the next nights (weather permitting) and multi-wavelength observations are strongly encouraged. The MAGIC contact persons for these observations are O. Blanch (blanch@ifae.es) and D. Dorner (dorner@astro.uni-wuerzburg.de).
MAGIC is a system of two 17m-diameter Imaging Atmospheric Cherenkov Telescopes located at the Canary island of La Palma, Spain, and designed to perform gamma-ray astronomy in the energy range from 50 GeV to greater than 50 TeV.
