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A supra-massive magnetar central engine for short GRB 130603B
Yi-Zhong Fan, Yun-Wei Yu, Dong Xu +4
We show that the peculiar early optical and in particular X-ray afterglow emission of the short duration burst GRB 130603B can be explained by continuous energy injection into the…
Is the late near-infrared bump in short-hard GRB 130603B due to the Li-Paczynski kilonova?
Zhi-Ping Jin, Dong Xu, Yi-Zhong Fan +2
Short-hard gamma-ray bursts (GRBs) are widely believed to be produced by the merger of two binary compact objects, specifically by two neutron stars or by a neutron star orbiting a…
A Complete Reference of the Analytical Synchrotron External Shock Models of Gamma-Ray Bursts
He Gao, Wei-Hua Lei, Yuan-Chuan Zou +2
Gamma-ray bursts are most luminous explosions in the universe. Their ejecta are believed to move towards Earth with a relativistic speed. The interaction between this "relativistic…
Early Afterglows of Gamma-Ray Bursts in a Stratified Medium with a Power-Law Density Distribution
Shuang-Xi Yi, Xue-Feng Wu, Zi-Gao Dai
A long-duration gamma-ray burst (GRB) has been widely thought to arise from the collapse of a massive star, and it has been suggested that its ambient medium is a homogenous inters…
A double neutron star merger origin for the cosmological relativistic fading source PTF11agg?
Xue-Feng Wu, He Gao, Xuan Ding +3
The Palomar Transient Factory (PTF) team recently reported the discovery of a rapidly fading optical transient source, PTF11agg. A long-lived scintillating radio counterpart was id…
Interpretation of the unprecedentedly long-lived high-energy emission of GRB 130427A
Ruo-Yu Liu, Xiang-Yu Wang, Xue-Feng Wu
High energy photons (>100 MeV) are detected by the Fermi/LAT from GRB 130427A up to almost one day after the burst, with an extra hard spectral component being discovered in the hi…