activity
20172026
most citedGRB 221009A and the Apparently Most Energetic Gamma-Ray Bursts

6 citations · 15 across the 22 of their papers we have counts for

collaborators

23 papers

astro-ph.HE2026

Fast Optical Variability of the TeV Blazar PKS 1725+123 Observed by SVOM-VT and Insights from Multi-wavelength Follow-up Observations

Shuo-Yu Liu, Yu-Wei Yu, Ji-Shun Lian +29

PKS 1725+123 is a flat-spectrum radio quasar (FSRQ) with a redshift of . The detection of this object in the TeV band was reported by the MAGIC telescopes and H.E.S.S. in…

astro-ph.HE2026

Early results from the SVOM Observatory Science program

A. Coleiro, L. Tao, F. Cangemi +44

We present the organisation and early results from the Observatory Science program of the Space-based multi-band astronomical Variable Objects Monitor (SVOM), based on data collect…

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

The GRB joint scientific analysis pipeline of the ECLAIRs and GRM instruments on board SVOM

F. Piron, F. Daigne, T. Maiolino +35

The study of the prompt high-energy emission of Gamma-Ray Bursts (GRBs) with SVOM relies on the observations performed by ECLAIRs (4-150 keV) and the Gamma-Ray Monitor (GRM, 0.015-…

astro-ph.HE2026

The SVOM mission, its profile and its system

B. Cordier, J. Y. Wei, S. N. Zhang +37

The SVOM (Space-based Variable Objects Monitor) mission, launched into low Earth orbit on 22 June 2024, is a French-Chinese multi-wavelength observatory dedicated to the study of t…

astro-ph.IM2026

SVOM/ECLAIRs detection plane: main features and performance

O. Godet, J. -L. Atteia, R. Pons +21

The detection plane of the high-energy transient camera ECLAIRs onboard SVOM is made of 200 XRDPIX detection modules, each consisting of a matrix of Schottky-type CdTe…

astro-ph.HE2026

SVOM Science User Support at FSC

A. Claret, D. Turpin, C. Moreau +16

The SVOM mission, a Sino-French collaboration dedicated to Gamma-Ray Bursts (GRBs) and transient sources, began scientific operations in 2025. This paper describes the ground compu…

astro-ph.HE2026

ECLAIRs: the SVOM high-energy transient trigger camera

O. Godet, J. -L. Atteia, S. Schanne +51

The core instrument of the SVOM Gamma-ray burst mission launched in June 2024 is the 4-150 keV 2-D coded mask camera ECLAIRs responsible for the autonomous trigger and localization…

astro-ph.HE2026

XRF 241001A/SN 2024aiiq: A faint soft X-ray transient detected by SVOM with a broad-line type Ic supernova revealed by JWST

B. Schneider, M. Brunet, B. P. Gompertz +61

X-ray flashes (XRFs) are a type of gamma-ray burst (GRB) with prompt emission predominantly below 30 keV and have been poorly detected by previous missions. The advent of the SVOM…

astro-ph.SR2026

Multi-wavelength Study of A Superflare on RS CVn-type Star HD22468 Triggered at Hard X-ray by SVOM

J. Wang, W. J. Xie, F. Cangemi +36

Detection of stellar flares at hard X-ray is still rare at the current stage. A transient was recently detected by the hard X-ray camera, ECLAIRs onboard the SVOM mission at 11:39:…

astro-ph.HE2026★ 1 cited

SVOM discovery of a strong X-ray outburst of the blazar 1ES~1959+650 and multi-wavelength follow-up with the Neil Gehrels Swift observatory

A. Foisseau, A. Coleiro, S. Komossa +37

On December 6, 2024, 1ES 1959+650, one of the X-ray brightest blazars known, underwent a high-amplitude X-ray outburst detected by SVOM, the first such discovery with this mission.…

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.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.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★ 2 cited

JWST reveals a supernova following a gamma-ray burst at z 7.3

A. J. Levan, B. Schneider, E. Le Floc'h +50

The majority of energetic long-duration gamma-ray bursts (GRBs) are thought to arise from the collapse of massive stars, making them powerful tracers of star formation across cosmi…

astro-ph.HE2025

SVOM GRB 250314A at z 7.3: an exploding star in the era of reionization

B. Cordier, J. Y. Wei, N. R. Tanvir +103

Most long Gamma-ray bursts originate from a rare type of massive stellar explosion. Their afterglows, while rapidly fading, can be initially extremely luminous at optical/near-infr…

astro-ph.HE2025★ 2 cited

The population of hyperluminous X-ray sources as seen by XMM-Newton

Roberta Amato, Erwan Quintin, Hugo Tranin +7

Ultraluminous and hyperluminous X-ray sources (ULXs and HLXs) are among the brightest astrophysical objects in the X-ray sky. While ULXs most likely host stellar-mass compact objec…

astro-ph.HE2025

Characterizing Candidate Blazar Counterparts of the Ultra-High-Energy Event KM3-230213A

KM3NeT Collaboration, MessMapp Group, LAT Collaboration +13

High-energy astrophysical neutrinos serve as crucial messengers for understanding hadronic acceleration processes and identifying the origins of cosmic rays, with blazars among the…

astro-ph.HE2025★ 6 cited

GRB 221009A and the Apparently Most Energetic Gamma-Ray Bursts

J-L. Atteia, L. Bouchet, J-P. Dezalay +7

Gamma-Ray Bursts (GRBs) are often referred to as the most luminous explosions in the Universe, due to their short and highly luminous prompt emission. This apparent luminosity, how…

astro-ph.HE2024

3U Transat: a cubesat constellation to boost the multi-messenger astronomy

Jean-Yves Heloret, Olivier Godet, Laurent Bouchet +2

Thanks to the advent of sensitive gravitational wave (GW) and neutrino detectors, multi-messenger (MM) astronomy will deeply transform our understanding of the Universe contents an…

astro-ph.HE2024

High-z gamma-ray burst detection by SVOM/ECLAIRs: Impact of instrumental biases on the bursts' measured properties

Miguel Llamas Lanza, Olivier Godet, Benjamin Arcier +3

Context. Gamma-ray bursts (GRBs) can be detected at cosmological distances and therefore can be used to study the contents and phases of the early Universe. The 4-150 keV wide-fiel…

astro-ph.IM2024★ 1 cited

Study of SVOM/ECLAIRs inhomogeneities in the detection plane below 8 keV and their mitigation for the trigger performances

Wenjin Xie, Bertrand Cordier, Nicolas Dagoneau +4

The Space-based multi-band astronomical Variable Objects Monitor (SVOM) is a Chinese-French mission dedicated to the study of the transient sky. It is scheduled to start operations…

astro-ph.HE2017★ 3 cited

Comparing the birth rate of stellar black holes in binary black hole mergers and long GRBs

J. L. Atteia, J. -P. Dezalay, O. Godet +3

Gravitational wave interferometers have proved the existence of a new class of binary black holes (BBHs) weighting tens of solar masses and they have provided the first reliable me…