activity
20192026
most citedThe Possibility of Modeling the Very High Energy Afterglow of GRB 221009A in a Wind Environment

40 citations · 312 across the 34 of their papers we have counts for

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34 papers · 1 filter

astro-ph.HE2026

A Unified Model for the Emission of Supernova-Associated Fast X-ray Transients: Case Studies of EP240414a, EP250108a, and GRB~171205A

Yu-Fei Li, Da-Bin Lin, Jia Ren +2

The Einstein Probe (EP) has detected several Fast X-ray Transients (FXTs) associated with broad-lined Type Ic supernovae (SNe), including EP240414a and EP250108a. The observations…

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

Revealing the high redshift host galaxy of the short GRB 061201 with JWST

Yuhan Mao, Hanrui He, Jia Ren +6

Using deep near-infrared and optical images from JWST and HST, we identify a new host galaxy candidate for GRB 061201. It lies ~2" from the optical afterglow position. Photometric…

astro-ph.HE2026

Short-duration GRB 250221A Afterglow Driven by Two-Component Jets from the merger of a compact star

Xiao Tian, Hou-Jun Lü, Xiao-Xuan Liu +4

GRB 250221A is a short gamma-ray burst (GRB) at redshift , with a duration of 1.8 s and no extended emission in either Swift/Burst Alert Telescope or Konus-Wind bands. A r…

astro-ph.HE2026

The Double-Burst Nature and Early Afterglow Evolution of Long GRB 110801A

Qiu-Li Wang, Hao Zhou, Yun Wang +3

We present a comprehensive temporal and spectral analysis of the long-duration gamma-ray burst GRB 110801A, utilizing multi-band data from the Neil Gehrels Swift Observatory and gr…

astro-ph.HE2025★ 1 cited

EP241217a: a likely Type II GRB with an achromatic bump at z = 4.59

Hao Zhou, Jia Ren, Chen-Wei Wang +22

EP241217a is an X-ray transient detected by the Einstein Probe (EP) lasting for about 100 seconds and without accompanying -ray detection. The optical spectroscopy reveals the r…

astro-ph.HE2025

Stellar Wind-Blown Bubbles as Environments for Late-Time Rebrightening of Gamma-Ray Burst Afterglows

Jia Ren, Xiao-Yan Li, Yun Wang +5

We presented the multi-wavelength afterglow fitting results for three events that exhibit late afterglow rebrightening behavior: EP240414a (), GRB 240529A (), and…

astro-ph.HE2025

The color evolution of magnetar-powered kilonova emission in merging neutron star-neutron star systems

Suo-Ning Wang, Hou-Jun Lü, Xiao-Xuan Liu +3

The first direct detection of the gravitational wave (GW) event GW170817 and its electromagnetic (EM) counterpart open a new window for studying of multi-messenger astronomy. Howev…

astro-ph.HE2025

GRB 240825A: Early Reverse Shock and Its Physical Implications

Chao Wu, Yun Wang, Hua-Li Li +84

Early multiwavelength observations offer crucial insights into the nature of the relativistic jets responsible for gamma-ray bursts and their interaction with the surrounding mediu…

astro-ph.HE2025

{\tt RapidGBM}: An Efficient Tool for Fermi-GBM Visibility Checking and Data Analysis with a Case Study of EP240617a

Yun Wang, Jia Ren, Lu-Yao Jiang +15

We have developed a lightweight tool, {\tt RapidGBM}, featuring a web-based interface and capabilities of rapid calculation of Fermi Gamma-ray Burst Monitor (GBM) visibilities and…

astro-ph.HE2025★ 4 cited

Probable evidence for a transient mega-electron volt emission line in the GRB 221023A

Lu-Yao Jiang, Yun Wang, Yu-Jia Wei +6

Detection of spectral line in gamma-ray bursts (GRBs) is importance for studying GRB physics, as it provides insights into the composition and physical conditions of the GRB enviro…

astro-ph.HE2025

GRB 241030A: a prompt thermal X-ray emission component and diverse origin of the very early UVOT WHITE and U band emission

Qiu-Li Wang, Hao Zhou, Yun Wang +17

We present a detailed analysis of the long-duration GRB 241030A detected by {\it Swift}. Thanks to the rapid response of XRT and UVOT, the strongest part of the prompt emission of…

astro-ph.HE2024★ 10 cited

A Novel Model for the MeV Emission Line in GRB 221009A

Yu-Jia Wei, Jia Ren, Hao-Ning He +4

Gamma-ray bursts (GRBs) have long been considered potential sources of ultra-high-energy cosmic rays (UHECRs; with energy ). In this work, we propose a no…

astro-ph.HE2024★ 18 cited

What Powered the Kilonova-Like Emission After GRB 230307A in the Framework of a Neutron Star-White Dwarf Merger?

Xiangyu Ivy Wang, Yun-Wei Yu, Jia Ren +3

The second brightest gamma-ray burst, GRB 230307A (with a duration ~ 40 s), exhibited characteristics indicative of a magnetar engine during the prompt emission phase. Not…

astro-ph.HE2023★ 1 cited

GRB 231115A: a nearby Magnetar Giant Flare or a cosmic Short Gamma-Ray Burst?

Yun Wang, Yu-Jia Wei, Hao Zhou +3

There are two classes of gamma-ray transients with a duration shorter than 2 seconds. One consists of cosmic short Gamma-Ray Bursts (GRBs) taking place in the deep universe via the…

astro-ph.HE2023★ 1 cited

Jet Structure and Burst Environment of GRB 221009A

Ren Jia, Wang Yun, Dai Zi-Gao

We conducted a comprehensive investigation of the brightest-of-all-time GRB 221009A using new insights from very high energy (VHE) observations from LHAASO and a complete multiwave…

astro-ph.HE2023★ 9 cited

Very-High-Energy Gamma-Ray Afterglows of GRB 201015A and GRB 201216C

Lu-Lu Zhang, Jia Ren, Yun Wang +1

Gamma-ray bursts (GRBs) 201015A and 201216C are valuable cases with detection of very high energy (VHE) gamma-ray afterglows. By analysing their prompt emission data, we find that…

astro-ph.HE2023★ 6 cited

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…

astro-ph.HE2023★ 17 cited

Prompt-to-afterglow transition of optical emission in a long gamma-ray burst consistent with a fireball

Liping Xin, Xuhui Han, Huali Li +19

Long gamma-ray bursts (GRBs), which signify the end-life collapsing of very massive stars, are produced by extremely relativistic jets colliding into circumstellar medium. Huge ene…

astro-ph.HE2023★ 31 cited

The Role of Outflow Feedback on Accretion of Compact Objects in Accretion Disk of Active Galactic Nuclei

Ken Chen, Jia Ren, Zi-Gao Dai

Compact objects (COs) can exist and evolve in an active galactic nuclei (AGN) disk, triggering a series of attractive CO-related multi-messenger events around a supermassive black…

astro-ph.HE2023★ 1 cited

A broken "-intensity" relation caused by the evolving photosphere emission and the nature of the extraordinarily bright GRB 230307A

Yun Wang, Zi-Qing Xia, Tian-Ci Zheng +2

GRB 230307A is one of the brightest gamma-ray bursts detected so far. With the excellent observation of GRB 230307A by Fermi-GBM, we can reveal the details of prompt emission evolu…

astro-ph.HE2022★ 17 cited

Interacting Kilonovae: Long-lasting Electromagnetic Counterparts to Binary Mergers in the Accretion Disks of Active Galactic Nuclei

Jia Ren, Ken Chen, Yun Wang +1

We investigate the dynamics and electromagnetic (EM) signatures of neutron star-neutron star (NS-NS) or neutron star-black hole (NS-BH) merger ejecta that occurs in the accretion d…

astro-ph.HE2022★ 40 cited

The Possibility of Modeling the Very High Energy Afterglow of GRB 221009A in a Wind Environment

Jia Ren, Yun Wang, Lu-Lu Zhang +1

In this paper, we model the dynamics and radiation physics of the rarity event GRB 221009A afterglow in detail. By introducing a top-hat jet that propagates in an environment domin…

astro-ph.HE2022★ 4 cited

GRB 201104A: A "Repetitive" Short Gamma-Ray Burst?

Yun Wang, Lu-Yao Jiang, Jia Ren

Gamma-ray bursts (GRBs) are divided into short gamma-ray bursts (SGRBs) and long gamma-ray bursts (LGRBs) based on the bimodal distribution of their durations. LGRBs and SGRBs are…