Robopol: optical polarisation monitoring of blazars
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Angelakis, Emmanouil
Böttcher, Markus
Hovatta, Talvikki
Kiehlmann, Sebastian
Myserlis, Ioannis
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Abstract
The RoboPol program has been monitoring the R-band linear polarisation parameters of an unbiased
sample of 60 gamma-ray-loud blazars and a “control” sample of 15 gamma-ray-quite ones.
The prime drive for the program has been the systematic study of the temporal behaviour of the
optical polarisation and particularly the potential association of smooth and long rotations of the
linear polarisation position angle with flaring activity at high energies. Here we present the program
and discuss a list of selected topics from our studies of the first three observing seasons
(2013–2015) both in the angle and in the amplitude domain
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Angelakis, E. et al. 2016. Robopol: optical polarisation monitoring of blazars. 4th Annual Conference on High Energy Astrophysics in Southern Africa, 25-26 Aug 2016, Cape Town, South Africa. Proceedings of science: Article no 022. [https://pos.sissa.it/275/022/]