FACT — LONGTERM MONITORING OF BRIGHT TeV BLAZARS

Katja Meier, A. Biland, T. Bretz, J. Buss, D. Dorner, S. Einecke, D. Eisenacher, D. Hildebrand, M. L. Knoetig, T. Krähenbühl, W. Lustermann, K. Mannheim, D. Neise, A.-K. Overkemping, A. Paravac, F. Pauss, W. Rhode, M. Ribordy, T. Steinbring, F. Temme, J. Thaele, P. Vogler, R. Walter, Q. Weitzel, M. Zänglein

Abstract


The First G-APD Cherenkov Telescope (FACT), located on the Canary Island of La Palma, has been taking data since October 2011. FACT has been optimized for longterm monitoring of bright TeV blazars, to study their variability time scales and flare probability. G-APD photo-sensors allow for observations even under strong moonlight conditions, and the telescope can be operated remotely. The monitoring strategy of FACT is discussed and preliminary results of the flare of Mrk501 in June 2012 are shown.

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ISSN 1210-2709 (Print)
ISSN 1805-2363 (Online)
Published by the Czech Technical University in Prague