5 papers
The Evolution of Thermal and Non-thermal Emission Components in GRB 250920C
Jia-Ming Chen, Ke-Rui Zhu, Shan Chang +5
We present a temporal and time-resolved spectral analysis of GRB 250920C using \textit{Fermi}/GBM and \textit{Swift}/BAT data. The prompt emission consists of two distinct episodes…
Gamma-Ray Emission from the Crab Pulsar: A 17-Year Fermi-LAT Reanalysis
Liancheng Zhou, Yun-Lu Gong, Jun Fang +1
We present a reanalysis of 17 years of Fermi Large Area Telescope (LAT) observations of the Crab pulsar obtained between 2008 August and 2025 August. Using monthly Jodrell Bank rad…
Fast-Cooling Synchrotron in Decaying Magnetic Fields: Implications for the GRB Spectral Distribution
Jia-Ming Chen, Ke-Rui Zhu, Zhao-Yang Peng +5
The prompt-emission spectra of gamma-ray bursts (GRBs) are commonly described by the empirical Band function. The typical low-energy spectral index is , which poses a chal…
Detection of the Extended -ray Emission around TeV source 1LHAASO J0249+6022 with Fermi-LAT
Gong Yunlu, Zhou Liancheng, Xia Qi +3
1LHAASO J0249+6022 is an extended very-high-energy gamma-ray source discovered by the Large High-Altitude Air Shower Observatory. Based on nearly 16.1 years of data from the Fermi…
Multiband Nonthermal Radiative Properties of the Pulsar Wind Nebula CTB 87
Gong Yunlu, Zhou Liancheng, Xia Qi +3
The pulsar wind nebula CTB 87 (G74.9+1.2) is one of the sources emitting -rays with energies higher than 10 TeV, as measured by the Very Energetic Radiation Imaging Telescope Ar…