GRB 221009A with an Unconventional Precursor: A Typical Two-stage Collapsar Scenario?

As the brightest gamma-ray burst (GRB) ever detected, GRB 221009A may offer a chance that reveals some interesting features that are hidden in those bursts that are not so bright. There seems to be a very weak emission with a flux of 10 ^−8 ∼ 10 ^−7 erg cm ^−2 s ^−1 between the first pulse ( T _0 ∼...

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Bibliographic Details
Main Authors: Xin-Ying Song, Shuang-Nan Zhang
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal
Subjects:
Online Access:https://doi.org/10.3847/1538-4357/acfed7