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45 papers · 2 filters
A New Test of Lorentz Invariance Violation: the Spectral Lag Transition of GRB 160625B
Jun-Jie Wei, Bin-Bin Zhang, Lang Shao +2
Possible violations of Lorentz invariance (LIV) have been investigated for a long time using the observed spectral lags of gamma-ray bursts (GRBs). However, these generally have re…
Multi-wavelength study of the supernova remnant Kes 79 (G33.6+0.1): On its supernova properties and expansion into a molecular environment
Ping Zhou, Yang Chen, Samar Safi-Harb +4
Kes 79 (G33.6+0.1) is an aspherical thermal composite supernova remnant (SNR) observed across the electromagnetic spectrum and showing an unusual highly-structured morphology, in a…
The interpretation of the multi-wavelength afterglow emission of short GRB 140903A
Shuai Zhang, Zhi-Ping Jin, Yuan-Zhu Wang +1
GRB 140903A, a short duration ray burst (SGRB) detected by {\it Swift}, is characterized by its long-lasting radio emission among SGRBs. In addition to the s radi…
Transition from Fireball to Poynting-flux-dominated Outflow in Three-Episode GRB 160625B
B. -B. Zhang, B. Zhang, A. J. Castro-Tirado +51
The ejecta composition is an open question in gamma-ray bursts (GRB) physics. Some GRBs possess a quasi-thermal spectral component in the time-resolved spectral analysis, suggestin…
Evolution of High-Energy Particle Distribution in Mature Shell-Type Supernova Remnants
Houdun Zeng, Yuliang Xin, Siming Liu +3
Multi-wavelength observations of mature supernova remnants (SNRs), especially with recent advances in gamma-ray astronomy, make it possible to constrain energy distribution of ener…
Testing the dark matter subhalo hypothesis of the gamma-ray source 3FGL J2212.5+0703
Yuan-Peng Wang, Kai-Kai Duan, Peng-Xiong Ma +8
N-body simulations predict that galaxies at the Milky Way scale host a large number of dark matter (DM) subhalos. Some of these subhalos, if they are massive enough or close enough…