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Galaxies 2017, 5(4), 91; doi:10.3390/galaxies5040091

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.
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)
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Abstract

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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

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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