首页|Revisit the γ-Ray Flare Associated with Blazar Mrk 421

Revisit the γ-Ray Flare Associated with Blazar Mrk 421

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A Very High-energy(VHE)flare was observed by Major Atmospheric Gamma Imaging Cherenkov Telescopes on MJD 57788.This VHE flare was characterized by increased VHE flux and short timescales.In this study,we used one-zone synchrotron self-Compton,two-zone,and spine/layer models to explore this VHE flare's origin.The results indicate that this γ-ray flare can be explained by Inverse Compton Scattering radiation from the layer contributed gamma radiation and results in the γ-ray flare in a different way than the two-zone model.The difference between the two models lies in the performance of spectral energy distribution after γ-ray flare as well as a possible difference in the timescales of the flare.

radiation mechanisms:non-thermal(galaxies:)BL Lacertae objects:individual(Mrk 421)galaxies:jets

Xiang-Tao Zeng、Ze-Yuan Tang、Jun-Hui Fan

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Center for Astrophysics,Guangzhou University,Guangzhou 510006,China

Greater Bay Brand Center of the National Astronomical Data Center,Guangzhou 510006,China

Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province,Guangzhou 510006,China

2024

10.1088/1674-4527/ad8d1c

天文和天体物理学研究
中国科学院国家天文台

天文和天体物理学研究

CSTPCD
影响因子：0.406
ISSN：1674-4527
年,卷(期)：2024.24(12)