Curvature Effect and the Spectral Softening Phenomenon Detected in GRB Afterglows

Journal of astrophysics and astronomy

Y.-P. Qin1¹ 

[1] Center for Astrophysics, Guangzhou University, Guangzhou 510006, People’s Republic of China.$$

关键词: Gamma-rays: bursts;    gamma-rays: theory;    relativity.;   

DOI  :  

学科分类：天文学(综合)

来源: Indian Academy of Sciences

【 摘 要 】

Detection of radiation from a relativistic fireball would be affected by the so-called curvature effect. I illustrate the expected temporal and spectral behaviours of this effect and show that it can well explain the observed spectral softening in the early GRB afterglows.

【 授权许可】

Unknown