Мақола

Polarization angle swings in blazars: The case of 3C 279

S. KiehlmannAalto University Department of Radio Science and Engineering, PL 13000, 00076 Aalto, FinlandT. SavolainenAalto University Department of Radio Science and Engineering, PL 13000, 00076 Aalto, FinlandS. G. JorstadAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaK. V. SokolovskyAstro Space Center of Lebedev Physical Institute, Profsoyuznaya 84/32, 117997 Moscow, RussiaF. K. SchinzelDepartment of Physics and Astronomy, University of New Mexico, Albuquerque NM, 87131, USAAlan P. MarscherInstitute for Astrophysical Research, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USAV. M. LarionovAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaI. AgudoInstituto de Astrofísica de Andalucía, CSIC, Apartado 3004, 18080 Granada, SpainHiroshi AkitayaHiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, 739-8526 Hiroshima, JapanE. BenítezInstituto de Astronomía,Universidad Nacional Autónoma de México, 04510 México DF, MéxicoA. BerdyuginTuorla Observatory, Department of Physics and Astronomy, University of Turku, Väisäläntie 20, 21500 Piikkiö, FinlandD. BlinovAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaN. G. BochkarevSternberg Astronomical Institute, M.V.Lomonosov Moscow State University, Universiteskij prosp. 13, 119991 Moscow, RussiaГ. А. БорманCrimean Astrophysical Observatory, P/O Nauchny, 98409 Crimea, RussiaA. N. BurenkovSpecial Astrophysical Observatory of the Russian AS, Nizhnij Arkhyz, 369167 Karachaevo-Cherkesia, RussiaC. CasadioInstituto de Astrofísica de Andalucía, CSIC, Apartado 3004, 18080 Granada, SpainVictor DoroshenkoН. В. ЕфимоваMain (Pulkovo) Astronomical Observatory of RAS, Pulkovskoye shosse, 60, 196140 St. Petersburg, RussiaY. FukazawaDepartment of Physical Sciences, Hiroshima University, Higashi-Hiroshima, 739-8526 Hiroshima, JapanJosé L. GómezInstituto de Astrofísica de Andalucía, CSIC, Apartado 3004, 18080 Granada, SpainT. S. GrishinaAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaV. A. Hagen‐ThornAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaJ. HeidtD. HiriartInstituto de Astronomía, Universidad Nacional Autónoma de México, 22860 Ensenada BC, MéxicoR. ItohDepartment of Physical Sciences, Hiroshima University, Higashi-Hiroshima, 739-8526 Hiroshima, JapanM. JoshiInstitute for Astrophysical Research, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USAKoji S. KawabataHiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, 739-8526 Hiroshima, JapanG. N. KimeridzeAbastumani Observatory, Mt. Kanobili, 0301 Abastumani, GeorgiaE. N. KopatskayaAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaI. KorobtsevInst. of Solar-Terrestrial Physics, Lermontov st. 126a, Irkutsk p/o box 291, 664033, RussiaTom KrajciO. M. KurtanidzeAbastumani Observatory, Mt. Kanobili, 0301 Abastumani, GeorgiaS. O. KurtanidzeAbastumani Observatory, Mt. Kanobili, 0301 Abastumani, GeorgiaЕ. Г. ЛарионоваAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaL. V. LarionovaAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaE. LindforsTuorla Observatory, Department of Physics and Astronomy, University of Turku, Väisäläntie 20, 21500 Piikkiö, FinlandJ. LópezInstituto de Astronomía, Universidad Nacional Autónoma de México, 22860 Ensenada BC, MéxicoI. M. McHardyDepartment of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, UKS. N. MolinaDepartment of Physics and Astronomy, University of New Mexico, Albuquerque NM, 87131, USAYuki MoritaniKavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU), The University of Tokyo, 5-1-5 Kashiwa-no-Ha, 277-8583 Kashiwa City Chiba, JapanD. A. MorozovaAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaS. V. NazarovSpecial Astrophysical Observatory of the Russian AS, Nizhnij Arkhyz, 369167 Karachaevo-Cherkesia, RussiaM. G. NikolashviliAbastumani Observatory, Mt. Kanobili, 0301 Abastumani, GeorgiaK. NilssonFinnish Centre for Astronomy with ESO (FINCA), University of Turku, Väisäläntie 20, 21500 Piikkiö, FinlandN. G. PulatovaCrimean Astrophysical Observatory, P/O Nauchny, 98409 Crimea, RussiaR. ReinthalTuorla Observatory, Department of Physics and Astronomy, University of Turku, Väisäläntie 20, 21500 Piikkiö, FinlandA. C. SadunDepartment of Physics, University of Colorado Denver, CO, USAMahito SasadaInstitute for Astrophysical Research, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USAС. С. СавченкоAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaС. Г. СергеевCrimean Astrophysical Observatory, P/O Nauchny, 98409 Crimea, RussiaL. A. SiguaAbastumani Observatory, Mt. Kanobili, 0301 Abastumani, GeorgiaPaul S. SmithSteward Observatory, University of Arizona, Tucson, AZ 85721, USAM. SorciaInstituto de Astronomía,Universidad Nacional Autónoma de México, 04510 México DF, MéxicoO. I. SpiridonovaSpecial Astrophysical Observatory of the Russian AS, Nizhnij Arkhyz, 369167 Karachaevo-Cherkesia, RussiaK. TakakiDepartment of Physical Sciences, Hiroshima University, Higashi-Hiroshima, 739-8526 Hiroshima, JapanL. O. TakaloTuorla Observatory, Department of Physics and Astronomy, University of Turku, Väisäläntie 20, 21500 Piikkiö, FinlandBrian TaylorInstitute for Astrophysical Research, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USAI. S. TroitskyAstronomical Institute, St. Petersburg State University, Universitetskij Pr. 28, Petrodvorets, 198504 St. Petersburg, RussiaMakoto UemuraHiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, 739-8526 Hiroshima, JapanL. S. UgolkovaSternberg Astronomical Institute, M.V.Lomonosov Moscow State University, Universiteskij prosp. 13, 119991 Moscow, RussiaTakahiro UiDepartment of Physical Sciences, Hiroshima University, Higashi-Hiroshima, 739-8526 Hiroshima, JapanM. YoshidaHiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, 739-8526 Hiroshima, JapanJ. A. ZensusMax-Planck-Institut für Radioastronomie, Auf dem Hügel, 69, 53121 Bonn, GermanyV. E. ZhdanovaSpecial Astrophysical Observatory of the Russian AS, Nizhnij Arkhyz, 369167 Karachaevo-Cherkesia, Russia

2016en

ABI

Аннотация

Context. Over the past few years, on several occasions, large, continuous rotations of the electric vector position angle (EVPA) of linearly polarized optical emission from blazars have been reported. These events are often coincident with high energy γ-ray flares and they have attracted considerable attention, since they could allow us to probe the magnetic field structure in the γ-ray emitting region of the jet. The flat-spectrum radio quasar 3C 279 is one of the most prominent examples showing this behaviour.

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DOI: 10.1051/0004-6361/201527725

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