33 citations · 151 across the 17 of their papers we have counts for
18 papers
Revisiting the Multiwavelength Data of GRB 240825A: Implications for a Two-Stage Central Engine and a Dusty Environment
Ren-Jie Xiong, Zi-Qi Wang, Xiao-Li Huang +1
Reanalyzing the multi-wavelength data of GRB 240825A, we identify two distinct prompt-emission episodes, i.e. an early, spectrally soft plateau and a subsequent bright, spectrally…
Do Prompt Gamma-ray Burst Fireball Composition Impact on Afterglow Emission? Cases Study for Long GRBs 080916C/090902B and Short GRBs 090510/130603B
Yu Gan, Ren-Jie Xiong, Zi-Qi Wang +3
Broadband observations with the {\em Fermi} mission reveal that a large fraction of gamma-ray burst (GRB) spectra are dominated by non-thermal emission, while a small fraction are…
Shear Particle Acceleration in Structured Gamma-Ray Burst Jets: IV. Thermal {\em vs.} Non-thermal Emission of the Jet Cocoon
Zi-Qi Wang, Xiao-Li Huang, Hai-Ming Zhang +1
A distinct thermal or quasi-thermal spectral component is occasionally observed in gamma-ray burst (GRB) prompt emission spectra. Taking GRB 090902B as a case study, we investigate…
Shear Particle Acceleration in Structured Gamma-Ray Burst Jets: III. The Radiation Physics of Bright Prompt Optical Flash
Zi-Qi Wang, Xiao-Li Huang, En-Wei Liang
The radiation physics of bright prompt optical emission of gamma-ray bursts (GRBs) remains a puzzle. Assuming that the GRB ejecta is structured, we investigated this issue by chara…
Shear Particle Acceleration in Structured Gamma-Ray Burst Jets: II. Viewing Angle Effect on the Prompt Emission and Application to GRB 170817A
Zi-Qi Wang, Xiao-Li Huang, En-Wei Liang
Multi-messenger observations suggest that the gamma-ray burst on Aug. 17, 2017 (GRB 170817A) resulted from off-axial observations of its structured jet, which consists of a narrow…
Shear Particle Acceleration in Structured Gamma-Ray Burst Jets: I. Physical Origin of the Band Function and Application to GRBs 090926A, 131108A, and 160509A
Zi-Qi Wang, Xiao-Li Huang, En-Wei Liang
The radiation physics of gamma-ray bursts (GRBs) remains an open question. Based on the simulation analysis and recent observations, it was proposed that GRB jets are composed of a…
Cascade Radiations of from -annihilation process as an extra component of the Early Optical/X-Ray Afterglows of Gamma-Ray Bursts
Ren-Jie Xiong, Xiao-Li Huang, Ze-Rui Wang
Chromatic break and/or plateau observed in the early optical and X-ray afterglow lightcurves challenge the conventional external shock models of gamma-ray bursts (GRBs). Detection…
Hard TeV Gamma-Ray Afterglows of Nearby GRB 190829A as a Tentative Signature of Ultra-High-Energy Cosmic Rays Accelerated in Gamma-Ray Burst Jets
Jian-Kun Huang, Xiao-Li Huang, Ji-Gui Cheng +3
The observed hard TeV gamma-ray spectrum of the nearby gamma-ray burst (GRB) 190829A may challenge the conventional leptonic GRB afterglow model. It has been proposed that an ultra…
TeV and keV-MeV Excesses as Probes for Hadronic Process in BL Lacertaes
Ji-Gui Cheng, Xiao-Li Huang, Ze-Rui Wang +2
A hard TeV -ray component excess over the single-zone leptonic model prediction (TeV excess) is observed in the spectral energy distributions (SEDs) of some BL Lacs. Its origin…
Nearby SN-Associated GRB~190829A: Environment, Jet Structure, and VHE Gamma-Ray Afterglows
Zhang Lu-Lu, Ren Jia, Huang Xiao-Li +3
We present a self-consistent paradigm for interpreting the striking features of nearby low-luminosity GRB~190829A. Its prompt gamma-ray lightcurve has two separated pulses. We prop…
Very High Energy Emission and Cascade Radiation of Gamma-Ray Burst Afterglows: Homogeneous Versus Wind External Media
Xiao-Li Huang, Ze-Rui Wang, Ruo-Yu Liu +2
Recent detection of sub-TeV emission from gamma-ray bursts (GRBs) represents a breakthrough in the GRB study. The multi-wavelength data of the afterglows of GRB 190114C support the…
relation in Active Galactic Nucleus Jets and Implication for the physical origin of the relation of Gamma-Ray Bursts
Xiao-Li Huang, En-Wei Liang
High energy photon radiations of gamma-ray bursts (GRBs) and active galactic nuclei (AGNs) are dominated by their jet radiations. We examine wether the synchrotron radiations of je…
Afterglow Synchrotron Radiations follow the relation of Gamma-Ray Bursts? Cases of GRBs 190114C, 130427A, and 180720B
Xiao-Li Huang, En-Wei Liang, Ruo-Yu Liu +2
Bimodal spectral energy distributions (SEDs) of gamma-ray burst (GRB) afterglow of GRBs 190114C, 130427A and 180720B confirm that they are originated from the synchrotron emission…
Photometric and Spectroscopic Observations of GRB 140629A
Li-Ping Xin, Shu-Qing Zhong, En-Wei Liang +8
We present our optical photometric and spectroscopical observations of GRB 140629A. A redshift of is measured through the metal absorption lines in our spectrosco…
GRB120729A: external shock origin for both the prompt gamma-ray emission and afterglow
Li-Ye Huang, Xiang-Gao Wang, WeiKang Zheng +7
Gamma-ray burst (GRB) 120729A was detected by Swift/BAT and Fermi/GBM, and then rapidly observed by Swift/XRT, Swift/UVOT, and ground-based telescopes. It had a single long and smo…
Flux and Spectral Variation Characteristics of 3C 454.3 at the GeV Band
Hai-Ming Zhang, Jin Zhang, Rui-Jing Lu +3
We analyze the long-term lightcurve of 3C 454.3 observed with Fermi/LAT and investigate its relation to the flux in the radio, optical, and X-ray bands. By fitting the 1-day binned…
Extremely bright GRB 160625B with multi-episodes emission: Evidences for long-term ejecta evolution
Hou-Jun Lü, Jing Lü, Shu-Qing Zhong +6
GRB 160625B is an extremely bright GRB with three distinct emission episodes. By analyzing its data observed with the GBM and LAT on board the {\em Fermi} mission, we find that a m…
Very Bright Prompt and Reverse Shock Emission of GRB 140512A
Xiao-Li Huang, Li-Ping Xin, Shuang-Xi Yi +5
We report our observations of very bright prompt optical and reverse shock (RS) optical emission of GRB 140512A and analyze its multi-wavelength data observed with the {\em Swift}…