Spectral Properties of X-Ray Flares in Gamma-Ray Bursts
Authors: Xiongwei Bi, Zejun Jiang, Jirong Mao
Xiongwei Bi et al
2026 The Astrophysical Journal1011.
Provider: AAS Journals
Caption: Figure 24.
Temporal evolution of photon indices during preflare, flare, and postflare phases of GRB X-ray flares. (a) Bright-flare sample; (b) faint-flare sample.