S. Larsson, L. Fuhrmann, A. Weiss, E. Angelakis, T. P. Krichbaum, I. Nestoras, J. A. Zensus, M. Axelsson, D. Nilsson, F. Ryde, L. Hjalmarsdotter, J. Larsson, A. Lundgren, F. Mac-Auliffe, R. Parra, G. Siringo
So far, no systematic long-term blazar monitoring programs and detailed variability studies exist at sub-mm wavelengths. Here, we present a new sub-mm blazar monitoring program using the APEX 12-m telescope. A sample of about 40 gamma-ray blazars has been monitored since 2007/2008 with the LABOCA bolometer camera at 345 GHz. First light curves, preliminary variability results and a first comparison with the longer cm/mm bands (F-GAMMA program) are presented, demonstrating the extreme variability characteristics of blazars at such short wavelengths.
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http://arxiv.org/abs/1206.3799
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