Yun-Ao Xiao

Yun-Ao Xiao

National Astronomical Observatories, Chinese Academy of Sciences (NAOC)

A20, Datun Road, Chaoyang District, Beijing 100012, China

Tel: +44-7526 328476

Spectral Hardening Reveals Afterglow Emergence in Long-duration Fast X-Ray Transients: A Case Study of GRB 250404A/EP250404a

Published in The Astrophysical Journal Letters, 989, L39, 2025

Multiwavelength observations of GRB 250404A/EP250404a link X-ray spectral hardening to the emergence of the external-shock afterglow.

Read the published paper · arXiv