activity
20132026
most citedPeculiar prompt emission and afterglow in H.E.S.S. detected GRB 190829A

39 citations · 66 across the 16 of their papers we have counts for

collaborators

17 papers

astro-ph.HE2026

Magnetic rigidity reveals the PeVatron acceleration region in SS 433

Jie Liao, Wancheng Xu, Lang Cui +10

PeVatrons are cosmic accelerators capable of driving particles to petaelectronvolt (PeV) energies. Recently, microquasar jets have emerged as compelling Galactic PeVatron candidate…

astro-ph.HE2026

Detection of the distant quasar OP 313 with the first Large-Sized Telescope of CTAO

K. Abe, S. Abe, J. Abhir +412

In December 2023, the Large-Sized Telescope prototype (LST-1) detected for the first time VHE -ray emission from the FSRQ OP~313 becoming the furthest blazar ever observed at VH…

astro-ph.HE2026

Searching for Spider-Like Pulsars from TESS Ellipsoidal Lightcurves with X-ray counterparts

Xiaoqing Liang, Partha Sarathi Pal, P. H. Thomas Tam +2

We present a search for new spider pulsar candidates through multi-wavelength cross-matching, including -ray, X-ray, and optical data. A search for sinusoidal-like optical modul…

astro-ph.HE2025★ 3 cited

GRB 221009A: Observations with LST-1 of CTAO and Implications for Structured Jets in Long Gamma-Ray Bursts

LST Collaboration, K. Abe, S. Abe +328

GRB 221009A is the brightest gamma-ray burst (GRB) observed to date. Extensive observations of its afterglow emission across the electromagnetic spectrum were performed, providing…

astro-ph.HE2025

Identifying Merger-Driven Long Gamma-Ray Bursts based on Machine Learning

Si-Yuan Zhu, Hui-Ying Deng, Fu-Wen Zhang +2

Gamma-ray bursts (GRBs) are classified as Type I GRBs originated from compact binary mergers and Type II GRBs originated from massive collapsars. While Type I GRBs are typically sh…

astro-ph.HE2025

Multi-wavelength study for gamma-ray nova V1405 Cas

Zi-wei Ou, Pak-hin Thomas Tam, Hui-hui Wang +2

Novae are found to have GeV to TeV gamma-ray emission, which reveals the shock acceleration from the white dwarfs. Recently, V1405 Cas was reported to radiated suspicious gamma-ray…

astro-ph.SR2025★ 7 cited

Discovery and characterization of ZTF J0112+5827: An 80.9-minute polar with strong cyclotron features

Jiamao Lin, Liangliang Ren, Chengyuan Li +9

We report the discovery and characterization of ZTF J0112+5827, a new magnetic cataclysmic variable with an orbital period of 80.9 minutes. ROSAT observations revealed X-ray emissi…

astro-ph.SR2024

A Search for Radio Millisecond Pulsar Companions around Extremely Low-mass White Dwarfs with Ellipsoidal Variability

W. J. Huang, Pak-Hin Thomas Tam, L. L. Ren +1

Extremely low-mass white dwarfs (ELM WDs) are helium-core white dwarfs with masses less than 0.3 . Short-period ELM WD binaries that exhibit ellipsoidal variations may h…

astro-ph.HE2024

A systematic search for redback and black widow candidates based on the 4FGL-DR3 unassociated sources and the Zwicky Transient Facility data

Chunyan Lu, Liangliang Ren, Jiamao Lin +3

Spider pulsars constitute a distinct subset within the domain of radio millisecond pulsars, divided further into the categories of black widows and redbacks. Evident across multipl…

astro-ph.HE2024★ 9 cited

Ultrahigh-Energy Gamma-ray Emission Associated with Black Hole-Jet Systems

The LHAASO Collaboration, Zhen Cao, Felix Aharonian +315

Black holes (BH), one of the most intriguing objects in the universe, can manifest themselves through electromagnetic radiation initiated by the accretion flow. Some stellar-mass B…

astro-ph.HE2024

Unveiling the progenitors of a population of likely peculiar GRBs

Si-Yuan Zhu, Pak-Hin Thomas Tam

Traditionally, gamma-ray bursts (GRBs) are classified as long and short GRBs, with s being the threshold duration. Generally, long-duration GRBs (LGRBs, s)…

astro-ph.HE2024

A detailed study of the very-high-energy Crab pulsar emission with the LST-1

CTA-LST Project, :, K. Abe +294

Context: There are currently three pulsars firmly detected by imaging atmospheric Cherenkov telescopes (IACTs), two of them reaching TeV energies, challenging models of very-high-e…

astro-ph.HE2024

GeV gamma-ray emission in the field of young massive star cluster RCW 38

Ting-Ting Ge, Xiao-Na Sun, Rui-Zhi Yang +3

We report the detection of gamma-ray emission by the Fermi Large Area Telescope (Fermi-LAT) towards the young massive star cluster RCW 38 in the 1-500 GeV photon energy range. We f…

astro-ph.HE2022★ 5 cited

Is Fermi 1544-0649 a misaligned blazar? discovering the jet structure with VLBI

Chengyu Shao, Xiaopeng Cheng, Tam Pak-Hin Thomas +8

Fermi J1544-0649 is a transient GeV source first detected during its GeV flares in 2017. Multi-wavelength observations during the flaring time demonstrate variability and spectral…

astro-ph.HE2020★ 39 cited

Peculiar prompt emission and afterglow in H.E.S.S. detected GRB 190829A

Vikas Chand, Ankush Banerjee, Rahul Gupta +10

We present the results of a detailed investigation of the prompt and afterglow emission in the HESS detected GRB 190829A. Swift and Fermi observations of the prompt phase of this G…

astro-ph.HE2015

The H.E.S.S. II GRB Program

R. D. Parsons, A. Balzer, M. Füssling +9

Gamma-ray bursts (GRBs) are some of the most energetic and exotic events in the Universe, however their behaviour at the highest energies (>10 GeV) is largely unknown. Although the…

astro-ph.HE2013★ 3 cited

Searching for TeV emission from GRBs: the status of the H.E.S.S. GRB programme

D. Lennarz, P. M. Chadwick, W. Domainko +3

H.E.S.S. is an array of five Imaging Atmospheric Cherenkov Telescopes (IACTs) located 1800 m above sea level in the Khomas Highland of Namibia and is sensitive to very-high-energy…