Optical Flux and Spectral Variability of BL Lacertae during Its Historical High Outburst in 2020

Optical Flux and Spectral Variability of BL Lacertae during Its Historical High Outburst in 2020

BL Lacertae underwent a series of historical high flux activity over a year from 2020 August in the optical to VHE γ -rays. In this paper, we report on optical flux and spectral variability of the first historical maxima outburst event during October–November in the g , r , and i bands with the 1.26...

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Bibliographic Details
Main Authors: Nibedita Kalita, Yuhai Yuan, Minfeng Gu, Junhui Fan, Yosuke Mizuno, Peng Jiang, Alok C. Gupta, Hongyan Zhou, Xiang Pan, Anton A. Strigachev, Rumen S. Bachev, Lang Cui
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal
Subjects:
Active galactic nuclei
Blazars
Online Access:https://doi.org/10.3847/1538-4357/aca801

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