3 papers
astro-ph.HE2024
GRB 211024B: an ultra-long GRB powered by magnetar
Shao-Yu Fu, Dong Xu, Wei-Hua Lei +15
Ultra-long gamma-ray bursts (ULGRBs) are characterized by exceptionally long-duration central engine activities, with characteristic timescales exceeding 1000 seconds. We present g…
astro-ph.HE2024
Unveiling the Multifaceted GRB 200613A: Prompt Emission Dynamics, Afterglow Evolution, and the Host Galaxy's Properties
Shao-Yu Fu, Dong Xu, Wei-Hua Lei +17
We present our optical observations and multi-wavelength analysis of the GRB\,200613A detected by \texttt{Fermi} satellite. Time-resolved spectral analysis of the prompt -ray em…
astro-ph.HE2023
Optical and Near-infrared Observations of the Distant but Bright 'New Year's Burst' GRB 220101A
Zi-Pei Zhu, Wei-Hua Lei, Daniele B. Malesani +26
High-redshift gamma-ray bursts (GRBs) provide a powerful tool to probe the early universe, but still for relatively few do we have good observations of the afterglow. We here repor…