Blazar spectral variability as explained by a twisted inhomogeneous jet

Raiteri, C. M.; Villata, M.; Acosta-Pulido, J. A.; Agudo, I.; Arkharov, A. A.; Bachev, R.; Baida, G. V.; Benítez, E.; Borman, G. A.; Boschin, W.; Bozhilov, V.; Butuzova, M. S.; Calcidese, P.; Carnerero, M. I.; Carosati, D.; Casadio, C.; Castro-Segura, N.; Chen, W.-P.; Damljanovic, G.; D’Ammando, F.; Paola, A. Di; Echevarría, J.; Efimova, N. V.; Ehgamberdiev, Sh. A.; Espinosa, C.; Fuentes, A.; Giunta, A.; Gómez, J. L.; Grishina, T. S.; Gurwell, M. A.; Hiriart, D.; Jermak, H.; Jordan, B.; Jorstad, S. G.; Joshi, M.; Kopatskaya, E. N.; Kuratov, K.; Kurtanidze, O. M.; Kurtanidze, S. O.; Lähteenmäki, A.; Larionov, V. M.; Larionova, E. G.; Larionova, L. V.; Lázaro, C.; Lin, C. S.; Malmrose, M. P.; Marscher, A. P.; Matsumoto, K.; McBreen, B.; Michel, R.; Mihov, B.; Minev, M.; Mirzaqulov, D. O.; Mokrushina, A. A.; Molina, S. N.; Moody, J. W.; Morozova, D. A.; Nazarov, S. V.; Nikolashvili, M. G.; Ohlert, J. M.; Okhmat, D. N.; Ovcharov, E.; Pinna, F.; Polakis, T. A.; Protasio, C.; Pursimo, T.; Redondo-Lorenzo, F. J.; Rizzi, N.; Rodriguez-Coira, G.; Sadakane, K.; Sadun, A. C.; Samal, M. R.; Savchenko, S. S.; Semkov, E.; Skiff, B. A.; Slavcheva-Mihova, L.; Smith, P. S.; Steele, I. A.; Strigachev, A.; Tammi, J.; Thum, C.; Tornikoski, M.; Troitskaya, Yu. V.; Troitsky, I. S.; Vasilyev, A. A.; Vince, O.

Blazar spectral variability as explained by a twisted inhomogeneous jet

C. M. Raiteri (), M. Villata (), J. A. Acosta-Pulido, I. Agudo, A. A. Arkharov, R. Bachev, G. V. Baida, E. Benítez, G. A. Borman, W. Boschin, V. Bozhilov, M. S. Butuzova, P. Calcidese, M. I. Carnerero, D. Carosati, C. Casadio, N. Castro-Segura, W.-P. Chen, G. Damljanovic, F. D’Ammando, A. Di Paola, J. Echevarría, N. V. Efimova, Sh. A. Ehgamberdiev, C. Espinosa, A. Fuentes, A. Giunta, J. L. Gómez, T. S. Grishina, M. A. Gurwell, D. Hiriart, H. Jermak, B. Jordan, S. G. Jorstad, M. Joshi, E. N. Kopatskaya, K. Kuratov, O. M. Kurtanidze, S. O. Kurtanidze, A. Lähteenmäki, V. M. Larionov, E. G. Larionova, L. V. Larionova, C. Lázaro, C. S. Lin, M. P. Malmrose, A. P. Marscher, K. Matsumoto, B. McBreen, R. Michel, B. Mihov, M. Minev, D. O. Mirzaqulov, A. A. Mokrushina, S. N. Molina, J. W. Moody, D. A. Morozova, S. V. Nazarov, M. G. Nikolashvili, J. M. Ohlert, D. N. Okhmat, E. Ovcharov, F. Pinna, T. A. Polakis, C. Protasio, T. Pursimo, F. J. Redondo-Lorenzo, N. Rizzi, G. Rodriguez-Coira, K. Sadakane, A. C. Sadun, M. R. Samal, S. S. Savchenko, E. Semkov, B. A. Skiff, L. Slavcheva-Mihova, P. S. Smith, I. A. Steele, A. Strigachev, J. Tammi, C. Thum, M. Tornikoski, Yu. V. Troitskaya, I. S. Troitsky, A. A. Vasilyev and O. Vince
Additional contact information
C. M. Raiteri: INAF, Osservatorio Astrofisico di Torino
M. Villata: INAF, Osservatorio Astrofisico di Torino
J. A. Acosta-Pulido: Instituto de Astrofisica de Canarias (IAC), La Laguna
I. Agudo: Instituto de Astrofísica de Andalucía (CSIC)
A. A. Arkharov: Pulkovo Observatory
R. Bachev: Institute of Astronomy and NAO, Bulgarian Academy of Sciences
G. V. Baida: Crimean Astrophysical Observatory RAS, Nauchny
E. Benítez: Instituto de Astronomía, Universidad Nacional Autónoma de
G. A. Borman: Crimean Astrophysical Observatory RAS, Nauchny
W. Boschin: Instituto de Astrofisica de Canarias (IAC), La Laguna
V. Bozhilov: Faculty of Physics, University of Sofia
M. S. Butuzova: Crimean Astrophysical Observatory RAS, Nauchny
P. Calcidese: Osservatorio Astronomico della Regione Autonoma Valle d’Aosta
M. I. Carnerero: INAF, Osservatorio Astrofisico di Torino
D. Carosati: INAF, TNG Fundación Galileo Galilei
C. Casadio: Instituto de Astrofísica de Andalucía (CSIC)
N. Castro-Segura: Universidad de La Laguna, La Laguna
W.-P. Chen: Graduate Institute of Astronomy, National Central University
G. Damljanovic: Astronomical Observatory
F. D’Ammando: Università di Bologna
A. Di Paola: INAF, Osservatorio Astronomico di Roma
J. Echevarría: Instituto de Astronomía, Universidad Nacional Autónoma de
N. V. Efimova: Pulkovo Observatory
Sh. A. Ehgamberdiev: Ulugh Beg Astronomical Institute, Maidanak Observatory
C. Espinosa: Instituto de Astronomía, Universidad Nacional Autónoma de
A. Fuentes: Instituto de Astrofísica de Andalucía (CSIC)
A. Giunta: INAF, Osservatorio Astronomico di Roma
J. L. Gómez: Instituto de Astrofísica de Andalucía (CSIC)
T. S. Grishina: Astronomical Institute, St Petersburg State University
M. A. Gurwell: Harvard-Smithsonian Center for Astrophysics, Cambridge
D. Hiriart: Instituto de Astronomía, Universidad Nacional Autónoma de
H. Jermak: Astrophysics Research Institute, Liverpool John Moores University
B. Jordan: School of Cosmic Physics, Dublin Institute For Advanced Studies
S. G. Jorstad: Astronomical Institute, St Petersburg State University
M. Joshi: Institute for Astrophysical Research, Boston University, Boston
E. N. Kopatskaya: Astronomical Institute, St Petersburg State University
K. Kuratov: NNLOT, Al-Farabi Kazakh National University
O. M. Kurtanidze: Abastumani Observatory, Mt Kanobili
S. O. Kurtanidze: Abastumani Observatory, Mt Kanobili
A. Lähteenmäki: Aalto University Metsähovi Radio Observatory
V. M. Larionov: Pulkovo Observatory
E. G. Larionova: Astronomical Institute, St Petersburg State University
L. V. Larionova: Astronomical Institute, St Petersburg State University
C. Lázaro: Instituto de Astrofisica de Canarias (IAC), La Laguna
C. S. Lin: Graduate Institute of Astronomy, National Central University
M. P. Malmrose: Institute for Astrophysical Research, Boston University, Boston
A. P. Marscher: Institute for Astrophysical Research, Boston University, Boston
K. Matsumoto: Astronomical Institute, Osaka Kyoiku University
B. McBreen: School of Physics, University College Dublin
R. Michel: Instituto de Astronomía, Universidad Nacional Autónoma de
B. Mihov: Institute of Astronomy and NAO, Bulgarian Academy of Sciences
M. Minev: Faculty of Physics, University of Sofia
D. O. Mirzaqulov: Ulugh Beg Astronomical Institute, Maidanak Observatory
A. A. Mokrushina: Pulkovo Observatory
S. N. Molina: Instituto de Astrofísica de Andalucía (CSIC)
J. W. Moody: Brigham Young University
D. A. Morozova: Astronomical Institute, St Petersburg State University
S. V. Nazarov: Crimean Astrophysical Observatory RAS, Nauchny
M. G. Nikolashvili: Abastumani Observatory, Mt Kanobili
J. M. Ohlert: Michael Adrian Observatorium, Astronomie Stiftung Trebur
D. N. Okhmat: Crimean Astrophysical Observatory RAS, Nauchny
E. Ovcharov: Faculty of Physics, University of Sofia
F. Pinna: Instituto de Astrofisica de Canarias (IAC), La Laguna
T. A. Polakis: Command Module Observatory
C. Protasio: Instituto de Astrofisica de Canarias (IAC), La Laguna
T. Pursimo: Nordic Optical Telescope
F. J. Redondo-Lorenzo: Instituto de Astrofisica de Canarias (IAC), La Laguna
N. Rizzi: Osservatorio Astronomico Sirio
G. Rodriguez-Coira: Instituto de Astrofisica de Canarias (IAC), La Laguna
K. Sadakane: Astronomical Institute, Osaka Kyoiku University
A. C. Sadun: University of Colorado Denver, Denver
M. R. Samal: Graduate Institute of Astronomy, National Central University
S. S. Savchenko: Astronomical Institute, St Petersburg State University
E. Semkov: Institute of Astronomy and NAO, Bulgarian Academy of Sciences
B. A. Skiff: Lowell Observatory
L. Slavcheva-Mihova: Institute of Astronomy and NAO, Bulgarian Academy of Sciences
P. S. Smith: Steward Observatory, University of Arizona
I. A. Steele: Astrophysics Research Institute, Liverpool John Moores University
A. Strigachev: Institute of Astronomy and NAO, Bulgarian Academy of Sciences
J. Tammi: Aalto University Metsähovi Radio Observatory
C. Thum: Instituto de Radio Astronomía Milimétrica
M. Tornikoski: Aalto University Metsähovi Radio Observatory
Yu. V. Troitskaya: Astronomical Institute, St Petersburg State University
I. S. Troitsky: Astronomical Institute, St Petersburg State University
A. A. Vasilyev: Astronomical Institute, St Petersburg State University
O. Vince: Astronomical Observatory

Nature, 2017, vol. 552, issue 7685, 374-377

Abstract: The spectral variability of the blazar CTA 102 during a recent extreme outburst could be explained by a twisted, inhomogeneous jet containing regions of different orientations that vary in time.

Date: 2017
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DOI: 10.1038/nature24623

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