43 citations · 462 across the 53 of their papers we have counts for
56 papers
The (missing) gamma-ray counterparts to EP events
Maria Edvige Ravasio, Ansh Chopra, Peter G. Jonker +23
While the connection of Fast X-ray Transients (FXTs) detected by Einstein Probe (EP) with Gamma-ray Bursts (GRBs) is increasingly compelling, most lack gamma-ray counterparts, leav…
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…
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…
Joint Observation of SGR J1935+2154 with \textit{Insight}-HXMT and KM40m during the active episode of October 2022
Wang-Chen Xue, Wen-Jun Tan, Yu-Xiang Huang +32
SGR J1935+2154 is the unique magnetar so far from which fast radio bursts have been detected. In October 2022, it resumed its burst activity, and we implemented a dedicated target-…
Comprehensive Measurement of Spectral Evolution in a GRB Flare: High Time-Resolution Insights into the "Double-Tracking" Phenomenon
Zheng-Hang Yu, Wen-Jun Tan, Chen-Wei Wang +41
The spectral evolution characteristics of the prompt emission in gamma-ray bursts (GRBs) have been extensively studied, but detailed investigations of spectral evolution in a GRB f…
Relativistic \(^{56}\text{Ni}\) Decay Lines in GRB 221009A
Rahim Moradi, Emre S. Yorgancioglu, Shao-Lin Xiong +4
Long Gamma Ray Bursts are thought to originate from the core collapse of massive stars that give rise to energetic broad-lined Type Ic supernovae. The brightest burst ever recorded…
GECAM discovery of the second FRB-associated Magnetar X-ray Burst from SGR J1935+2154
Chen-Wei Wang, Shao-Lin Xiong, Yue Wang +47
Fast radio burst (FRB) is mysterious phenomenon with millisecond-duration radio pulses observed mostly from cosmological distance. The association between FRB 200428 and a magnetar…
Systematic Study of the Simultaneous Events Detected by GECAM
Yang-Zhao Ren, Feng-Rong Zhu, Shao-Lin Xiong +45
GECAM is a constellation of all-sky monitors in hard X-ray and gamma-ray band primarily aimed at high energy transients such as gamma-ray bursts, soft gamma-ray repeaters, solar fl…
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…
LUNCH: A Lightweight Unified Deep-Learning Framework for General Transients Classification in High-Energy Time-Domain Astronomy
Peng Zhang, Chen-Wei Wang, Zheng-Hang Yu +19
The increasing data volume of high-energy space monitors necessitates real-time, automated transient classification for multi-messenger follow-up. Conventional methods rely on empi…
Advancing Identification method of Gamma-Ray Bursts with Data and Feature Enhancement
Peng Zhang, Bing Li, Ren-Zhou Gui +12
Gamma-ray bursts (GRBs) are challenging to identify due to their transient nature, complex temporal profiles, and limited observational datasets. We address this with a one-dimensi…
A Method for Gamma-Ray Energy Spectrum Inversion and Correction
Zhi-Qiang Ding, Xin-Qiao Li, Da-Li Zhang +13
Accurate spectral analysis of high-energy astrophysical sources often relies on comparing observed data to incident spectral models convolved with the instrument response. However,…
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…
Eclipsed X-ray Bursts from Magnetar SGR J1935+2154 and the Fireball Measurements
Sheng-Lun Xie, Aming Chen, Yun-Wei Yu +17
In theory, burst activity of the magnetar can lead to the formation of fireballs trapped by the magnetic field and corotating with the star. However, the smoking-gun observational…
The Production Mechanism of the High-energy Emission Line in the Brightest Cosmic Burst
Jieying Liu, Jirong Mao, Shao-Lin Xiong +1
As a characteristic feature of the spectrum, the emission line carries critical information on the underlying physics of the radiation. After extensive efforts in decades, the firs…
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…
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…
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…
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…
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,…
Search for Type IL Gamma-ray Bursts: Criterion, Results, Verification and Physical Implication
Wen-Jun Tan, Chen-Wei Wang, Peng Zhang +11
As an interesting subclass of gamma-ray burst (GRB), Type IL GRB (such as GRB 211211A and GRB 230307A) features a long-duration prompt emission but originating from compact binary…
Evolution of the Three Spectral Components in the Prompt Emission of GRB 240825A
Chen-Wei Wang, Wen-Jun Tan, Shao-Lin Xiong +17
The prompt emission of Gamma-Ray Bursts (GRBs) could be composed of different spectral components, such as a dominant non-thermal Band component in the keV-MeV range, a subdominant…
The GECAM Ground Search System for Gamma-ray Transients
Ce Cai, Yan-Qiu Zhang, Shao-Lin Xiong +35
In the era of time-domain, multi-messenger astronomy, the detection of transient events on the high-energy electromagnetic sky has become more important than ever. The Gravitationa…
Robust Constraints on the Physics of the MeV Emission Line in GRB 221009A from Optical Depth Arguments
Shu-Xu Yi, Zhen Zhang, Emre Seyit Yorgancioglu +3
The brightest-of-all-time gamma-ray burst (GRB), GRB 221009A, is the first GRB observed to have emission line (up to 37 MeV) in its prompt emission spectra. It is naturally explain…