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Two Flares with One Shock: The Interesting Case of 3C 454.3. / Liodakis, I.; Blinov, D.; Jorstad, S. G.; Arkharov, A. A.; Di Paola, A.; Efimova, N. V.; Grishina, T. S.; Kiehlmann, S.; Kopatskaya, E. N.; Larionov, V. M.; Larionova, L. V.; Larionova, E. G.; Marscher, A. P.; Morozova, D. A.; Nikiforova, A. A.; Pavlidou, V.; Traianou, E.; Troitskaya, Yu. V.; Troitsky, I. S.; Uemura, M.; Weaver, Z. R.

In: The Astrophysical Journal, Vol. 902, No. 1, 61, 10.10.2020, p. 61.

Research output: Contribution to journal › Article › peer-review

Harvard

Liodakis, I, Blinov, D, Jorstad, SG, Arkharov, AA, Di Paola, A, Efimova, NV, Grishina, TS, Kiehlmann, S, Kopatskaya, EN, Larionov, VM, Larionova, LV, Larionova, EG, Marscher, AP, Morozova, DA, Nikiforova, AA, Pavlidou, V, Traianou, E, Troitskaya, YV, Troitsky, IS, Uemura, M & Weaver, ZR 2020, 'Two Flares with One Shock: The Interesting Case of 3C 454.3', The Astrophysical Journal, vol. 902, no. 1, 61, pp. 61. https://doi.org/10.3847/1538-4357/abb1b8

APA

Liodakis, I., Blinov, D., Jorstad, S. G., Arkharov, A. A., Di Paola, A., Efimova, N. V., Grishina, T. S., Kiehlmann, S., Kopatskaya, E. N., Larionov, V. M., Larionova, L. V., Larionova, E. G., Marscher, A. P., Morozova, D. A., Nikiforova, A. A., Pavlidou, V., Traianou, E., Troitskaya, Y. V., Troitsky, I. S., ... Weaver, Z. R. (2020). Two Flares with One Shock: The Interesting Case of 3C 454.3. The Astrophysical Journal, 902(1), 61. [61]. https://doi.org/10.3847/1538-4357/abb1b8

Vancouver

Liodakis I, Blinov D, Jorstad SG, Arkharov AA, Di Paola A, Efimova NV et al. Two Flares with One Shock: The Interesting Case of 3C 454.3. The Astrophysical Journal. 2020 Oct 10;902(1):61. 61. https://doi.org/10.3847/1538-4357/abb1b8

Author

Liodakis, I. ; Blinov, D. ; Jorstad, S. G. ; Arkharov, A. A. ; Di Paola, A. ; Efimova, N. V. ; Grishina, T. S. ; Kiehlmann, S. ; Kopatskaya, E. N. ; Larionov, V. M. ; Larionova, L. V. ; Larionova, E. G. ; Marscher, A. P. ; Morozova, D. A. ; Nikiforova, A. A. ; Pavlidou, V. ; Traianou, E. ; Troitskaya, Yu. V. ; Troitsky, I. S. ; Uemura, M. ; Weaver, Z. R. / Two Flares with One Shock: The Interesting Case of 3C 454.3. In: The Astrophysical Journal. 2020 ; Vol. 902, No. 1. pp. 61.

BibTeX

@article{b6ea625f98504b3d837ad4f4c7672668,
title = "Two Flares with One Shock: The Interesting Case of 3C 454.3",
abstract = "The quasar 3C 454.3 is a blazar known for its rapid and violent outbursts seen across the electromagnetic spectrum. Using γ-ray, X-ray, multiband optical, and very-long-baseline interferometric data we investigate the nature of two such events that occurred in 2013 and 2014 accompanied by strong variations in optical polarization, including a ∼230° electric vector position angle (EVPA) rotation. Our results suggest that a single disturbance was responsible for both flaring events. We interpret the disturbance as a shock propagating down the jet. Under this interpretation the 2013 flare originated most likely due to changes in the viewing angle caused by perhaps a bent or helical trajectory of the shock upstream of the radio core. The 2014 flare and optical polarization behavior are the result of the shock exiting the 43 GHz radio core, suggesting that shock crossings are one of the possible mechanisms for EVPA rotations.",
keywords = "Relativistic jets, Blazars, Supermassive black holes, Radio loud quasars, 1390, 164, 1663, 1349, FLARING ACTIVITY, WEBT, SPECTRAL VARIABILITY, RADIO OUTBURSTS, BL LACERTAE, ROTATIONS, BLAZARS, ROBOPOL, OPTICAL POLARIZATION-PLANE, INNER JET, Galaxies: active, Relativistic processes, Galaxies: jets",
author = "I. Liodakis and D. Blinov and Jorstad, {S. G.} and Arkharov, {A. A.} and {Di Paola}, A. and Efimova, {N. V.} and Grishina, {T. S.} and S. Kiehlmann and Kopatskaya, {E. N.} and Larionov, {V. M.} and Larionova, {L. V.} and Larionova, {E. G.} and Marscher, {A. P.} and Morozova, {D. A.} and Nikiforova, {A. A.} and V. Pavlidou and E. Traianou and Troitskaya, {Yu. V.} and Troitsky, {I. S.} and M. Uemura and Weaver, {Z. R.}",
year = "2020",
month = oct,
day = "10",
doi = "10.3847/1538-4357/abb1b8",
language = "English",
volume = "902",
pages = "61",
journal = "Astrophysical Journal",
issn = "0004-637X",
publisher = "IOP Publishing Ltd.",
number = "1",

}

RIS

TY - JOUR

T1 - Two Flares with One Shock: The Interesting Case of 3C 454.3

AU - Liodakis, I.

AU - Blinov, D.

AU - Jorstad, S. G.

AU - Arkharov, A. A.

AU - Di Paola, A.

AU - Efimova, N. V.

AU - Grishina, T. S.

AU - Kiehlmann, S.

AU - Kopatskaya, E. N.

AU - Larionov, V. M.

AU - Larionova, L. V.

AU - Larionova, E. G.

AU - Marscher, A. P.

AU - Morozova, D. A.

AU - Nikiforova, A. A.

AU - Pavlidou, V.

AU - Traianou, E.

AU - Troitskaya, Yu. V.

AU - Troitsky, I. S.

AU - Uemura, M.

AU - Weaver, Z. R.

PY - 2020/10/10

Y1 - 2020/10/10

N2 - The quasar 3C 454.3 is a blazar known for its rapid and violent outbursts seen across the electromagnetic spectrum. Using γ-ray, X-ray, multiband optical, and very-long-baseline interferometric data we investigate the nature of two such events that occurred in 2013 and 2014 accompanied by strong variations in optical polarization, including a ∼230° electric vector position angle (EVPA) rotation. Our results suggest that a single disturbance was responsible for both flaring events. We interpret the disturbance as a shock propagating down the jet. Under this interpretation the 2013 flare originated most likely due to changes in the viewing angle caused by perhaps a bent or helical trajectory of the shock upstream of the radio core. The 2014 flare and optical polarization behavior are the result of the shock exiting the 43 GHz radio core, suggesting that shock crossings are one of the possible mechanisms for EVPA rotations.

AB - The quasar 3C 454.3 is a blazar known for its rapid and violent outbursts seen across the electromagnetic spectrum. Using γ-ray, X-ray, multiband optical, and very-long-baseline interferometric data we investigate the nature of two such events that occurred in 2013 and 2014 accompanied by strong variations in optical polarization, including a ∼230° electric vector position angle (EVPA) rotation. Our results suggest that a single disturbance was responsible for both flaring events. We interpret the disturbance as a shock propagating down the jet. Under this interpretation the 2013 flare originated most likely due to changes in the viewing angle caused by perhaps a bent or helical trajectory of the shock upstream of the radio core. The 2014 flare and optical polarization behavior are the result of the shock exiting the 43 GHz radio core, suggesting that shock crossings are one of the possible mechanisms for EVPA rotations.

KW - Relativistic jets

KW - Blazars

KW - Supermassive black holes

KW - Radio loud quasars

KW - 1390

KW - 164

KW - 1663

KW - 1349

KW - FLARING ACTIVITY

KW - WEBT

KW - SPECTRAL VARIABILITY

KW - RADIO OUTBURSTS

KW - BL LACERTAE

KW - ROTATIONS

KW - BLAZARS

KW - ROBOPOL

KW - OPTICAL POLARIZATION-PLANE

KW - INNER JET

KW - Galaxies: active

KW - Relativistic processes

KW - Galaxies: jets

UR - http://www.scopus.com/inward/record.url?scp=85094134619&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/ce70751a-b1e6-3c14-a403-42363e56cd3b/

U2 - 10.3847/1538-4357/abb1b8

DO - 10.3847/1538-4357/abb1b8

M3 - Article

VL - 902

SP - 61

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

IS - 1

M1 - 61

ER -

ID: 71062876