activity
20232026
most citedObservation of spectral lines in the exceptional GRB 221009A

40 citations · 121 across the 35 of their papers we have counts for

collaborators

37 papers

astro-ph.IM2026

ELISA: A Bayesian X/-ray Spectral Analysis Toolkit

Wang-Chen Xue, Sheng-Lun Xie, Chao Zheng +11

Forward-folded X/-ray spectral fitting increasingly benefits from Bayesian workflows to better capture counting statistics, background uncertainties, and complex parameter degen…

astro-ph.HE2026

Evidence of self-organized criticality in the prompt emission of a bright gamma-ray burst

Wen-Long Zhang, Wen-Jun Tan, Hao-Tian Lan +18

Gamma-ray bursts (GRBs) are the most energetic explosive events in the Universe, yet the physical mechanism of their prompt emission remains a mystery. Especially, it is unclear wh…

astro-ph.HE2026

GRB 250424A: A Case Study of Energy Injection with Multiwavelength Observations

Yifang Liang, Yun Wang, WeiKang Zheng +61

We present a comprehensive multiwavelength analysis of the long-duration gamma-ray burst (GRB) 250424A. Our dataset spans from the prompt gamma-ray emission to late-time optical mo…

astro-ph.HE2026

GRB 250706B/C: Insight-HXMT Discovery of a High-Luminosity Burst as a Candidate for Fallback-Regulated Accretion in the Prompt Emission

Chen-Wei Wang, R. Moradi, Shao-Lin Xiong +15

Fallback accretion in collapsar models is often associated with underluminous gamma-ray bursts (GRBs), leading to the widespread view that fallback-fed engines may be intrinsically…

astro-ph.HE2026★ 1 cited

A 4.5-s Quasiperiodic Spectral Oscillation in GRB 230307A: Evidence for Free Precession of a Post-Merger Magnetar?

Run-Chao Chen, Jun Yang, Bin-Bin Zhang +4

Millisecond magnetars, rapidly rotating neutron stars with ultra-strong magnetic fields, have long been proposed as central engines of gamma-ray bursts (GRBs). For GRBs produced by…

astro-ph.HE2026★ 1 cited

Jet-Structure Imprint on the Curvature Tail of Gamma-Ray Burst Prompt Emission

Zhen-Yu Yan, Xiao-Hong Zhao, Hendrik J. van Eerten +7

Even though the prompt emission of gamma-ray bursts (GRBs) is highly beamed, high-latitude emission still produces a distinct light curve break after the intrinsic emission ceases…

astro-ph.IM2026

The trigger and localization system of SVOM-GRM

Jiang He, Jian-Chao Sun, Yue Huang +20

The Space multi-band Variable Object Monitor (SVOM) is an astronomical satellite jointly developed by China and France, primarily focused on the detection of gamma-ray bursts (GRBs…

astro-ph.IM2026

The Gamma-Ray Monitor onboard the SVOM satellite

Jian-Chao Sun, Yong-Wei Dong, Jiang He +21

The Gamma-Ray Monitor (GRM) is a key scientific payload onboard the Space-based Multi-band Variable Object Monitor (SVOM) satellite, designed specifically for the detection and stu…

astro-ph.HE2026

Study on the detector energy response of SVOM/GRM

Xiao-Yun Zhao, Jiang He, Shi-Jie Zheng +32

The SVOM mission is specifically designed to for the detection and localization of Gamma-Ray Bursts (GRBs) and subsequent follow-up observations. Among the four telescopes installe…

astro-ph.HE2026

GECAM discovery of a peculiar magnetar X-ray burst (MXB 221120) from SGR J1935+2154 associated with a fast radio burst

Wen-Jun Tan, Yue Wang, Chen-Wei Wang +50

Fast radio bursts (FRBs) are enigmatic cosmic transients of millisecond duration observed in the radio band. The identification of FRB-associated magnetar X-ray bursts (MXBs) from…

astro-ph.HE2026★ 4 cited

Brightest GRB flare observed in GRB 221009A: bridge the last gap between flare and prompt emission in GRB

Zheng-Hang Yu, Chen-Wei Wang, Shao-Lin Xiong +46

Flares are usually observed during the afterglow phase of Gamma-Ray Bursts (GRBs) in soft X-ray, optical and radio bands, but rarely in gamma-ray band. Despite the extraordinary br…

astro-ph.HE2026

Detection of Oscillations in a Type I X-Ray Burst of 4U 0614+091 with SVOM/ECLAIRs

Sébastien Le Stum, Floriane Cangemi, Alexis Coleiro +29

On 2025 January 10, a thermonuclear (Type I) X-ray burst from the neutron star low-mass X-ray binary \textit{4U~0614+091} was detected with the ECLAIRs instrument on board the \tex…

astro-ph.HE2026

Minutes-long soft X-ray prompt emission from a compact object merger

An Li, Chen-Wei Wang, Niccolò Passaleva +75

Compact object mergers are multi-messenger sources and known progenitors of some gamma-ray bursts, bright flashes of high-energy radiation powered by a central engine, either an ac…

astro-ph.HE2025

GRB 240715A: Revealing Novel Intrinsic Mechanism by Different Individual Pulse

Wen-Jun Tan, Chen-Wei Wang, Shao-Lin Xiong +37

The Space-based multiband astronomical Variable Objects Monitor (SVOM), detected its first short gamma-ray burst, GRB 240715A, in-flight, which was jointly observed by Fermi. Based…

astro-ph.IM2025

BREAKFAST: A Framework for general joint BA duty and follow-up guidance of multiple -ray monitors

Chen-Wei Wang, Peng Zhang, Shao-Lin Xiong +30

With the growing number of gamma-ray monitors in operation, several research teams have adopted a strategy of joint operation and scientific duty to improve efficiency. A successfu…

astro-ph.HE2025★ 7 cited

Evidence for a brief appearance of gamma-ray periodicity after a compact star merger

Run-Chao Chen, Bin-Bin Zhang, Chen-Wei Wang +6

The product of a compact star merger is usually hypothesized to be a hyperaccreting black hole, typically resulting in a gamma-ray burst (GRB) with a duration shorter than 2~s. How…

astro-ph.HE2025★ 9 cited

A set of distinctive properties ruling the prompt emission of GRB 230307A and other long γ-ray bursts from compact object mergers

R. Maccary, C. Guidorzi, M. Maistrello +9

Short gamma-ray bursts (SGRBs), occasionally followed by a long and spectrally soft extended emission, are associated with compact object mergers (COMs). Yet, a few recent long GRB…

astro-ph.HE2025★ 3 cited

Extending the short gamma-ray burst population from sub-threshold triggers in Fermi/GBM and GECAM data and its implications

Ce Cai, Shao-Lin Xiong, Yan-Qiu Zhang +21

Detection of short gamma-ray bursts (SGRBs) is critically important for the research of compact object mergers and multi-messenger astrophysics, but a significant part of SGRBs fal…

astro-ph.HE2025

On the Ultra-Long Gamma-Ray Transient GRB 250702B/EP250702

Jin-Peng Zhang, Chen-Wei Wang, Zheng-Hang Yu +20

GRB 250702B/EP250702a is an interesting long-duration gamma-ray transient whose nature is in debate. To obtain a full picture in gamma-ray band, we implement a comprehensive target…

astro-ph.HE2025

Multi-Instrument Search for Gamma-Ray Counterpart of X-ray Transients detected by EP/WXT

Yan-Qiu Zhang, Wang-Chen Xue, Jin-Peng Zhang +25

As a soft X-ray imager with unprecedentedly large field of view, EP/WXT has detected many (fast) X-ray transients, whose nature is very intriguing. Whether there is gamma-ray count…

astro-ph.HE2025★ 1 cited

Two Periodic Activity Epochs in FRB 20201124A: Coincident with Critical RM Evolution Epochs and Its Implications

Wen-Long Zhang, Chen-Ran Hu, Chen Du +12

Recent observations of the repeating fast radio burst FRB 20201124A by the Five-hundred-meter Aperture Spherical radio Telescope (FAST) revealed a second-scale periodic modulation…

astro-ph.HE2025

GECAM Discovery of Peculiar Oscillating Particle Precipitation Events

Chenwei Wang, Shaolin Xiong, Yi Zhao +52

Charged particle precipitation typically manifests as a gradual increase and decrease of flux observed by space detectors. Cases with rapidly flux variation are very rare. Periodic…

astro-ph.IM2025

Pitch Angle Measurement Method based on Detector Counts Distribution. -I. Basic conception

Chenwei Wang, Shaolin Xiong, Hongbo Xue +36

As an X-ray and gamma-ray all-sky monitor aiming for high energy astrophysical transients, Gravitational-wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) has al…

astro-ph.HE2025

Insight-HXMT observations of the extremely bright GRB 221009A

Wen-Long Zhang, Wang-Chen Xue, Cheng-Kui Li +22

The Hard X-ray Modulation Telescope (\insight) detected GRB 221009A, the brightest gamma-ray burst observed to date, with all its three telescopes, i.e. High Energy telescope (HE,…