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Open AccessFeature PaperArticle

Behaviour of the Blazar CTA 102 during Two Giant Outbursts

1
Astronomical Institute, Saint Petersburg State University, 198504 Saint Petersburg, Russia
2
Institute for Astrophysical Research, Boston University, Boston, MA 02215, USA
3
Steward Observatory, University of Arizona, Tucson, AZ 85721, USA
4
Crimean Astrophysical Observatory, Nauchny, Crimea 298409, Russia
*
Author to whom correspondence should be addressed.
Galaxies 2017, 5(4), 91; https://doi.org/10.3390/galaxies5040091
Received: 23 September 2017 / Revised: 22 November 2017 / Accepted: 27 November 2017 / Published: 30 November 2017
(This article belongs to the Special Issue Polarised Emission from Astrophysical Jets)
Blazar CTA 102 underwent exceptional optical and high-energy outbursts in 2012 and 2016–2017. We analyze its behaviour during these events, focusing on polarimetry as a tool that allows us to trace changes in the physical conditions and geometric configuration of the emission source close to the central black hole. We also use Fermi γ -ray data in conjunction with optical photometry in an effort to localize the origin of the outbursts. View Full-Text
Keywords: blazars; photometry; polarimetry; methods of analysis blazars; photometry; polarimetry; methods of analysis
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Larionov, V.M.; Jorstad, S.G.; Marscher, A.P.; Smith, P.S.; Savchenko, S.; Morozova, D.; Grishina, T.; Kopatskaya, E.; Larionova, L.; Larionova, E.; Mokrushina, A.; Troitsky, I.; Troitskaya, Y.; Borman, G. Behaviour of the Blazar CTA 102 during Two Giant Outbursts. Galaxies 2017, 5, 91.

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