English
Related papers

Related papers: A Fast Onboard Star-Extraction Algorithm Optimized…

200 papers

The Ground Support System (GSS) is a critical component of the Space-based multi-band astronomical Variable Objects Monitor (SVOM) mission's ground segment. Its main tasks include organizing and implementing the operations and management of…

Instrumentation and Methods for Astrophysics · Physics 2026-04-28 Yurong Liu , Meng Bai , Mingyue Wei , Ke Feng , Boquan Li , Tai Hu

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 installed on the SVOM satellite, the Gamma-Ray Monitor (GRM) plays a…

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-field trigger camera ECLAIRs to fly on board the Space-based…

High Energy Astrophysical Phenomena · Physics 2024-05-22 Miguel Llamas Lanza , Olivier Godet , Benjamin Arcier , Manal Yassine , Jean-Luc Atteia , Laurent Bouchet

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 computing infrastructure and user support tools for SVOM's three…

The Scientific Trigger Unit (UTS) is a satellite equipment designed to detect Gamma Ray Bursts (GRBs) observed by the onboard 6400 pixels camera ECLAIRs. It is foreseen to equip the low-Earth orbit French-Chinese satellite SVOM and acts as…

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 in 2024. ECLAIRs is a coded-mask telescope with a large…

Instrumentation and Methods for Astrophysics · Physics 2024-01-25 Wenjin Xie , Bertrand Cordier , Nicolas Dagoneau , Stéphane Schanne , Jean-Luc Atteia , Laurent Bouchet , Olivier Godet

We present the Micro-channel X-ray Telescope (MXT), a new narrow-field (about 1{\deg}) telescope that will be flying on the Sino-French SVOM mission dedicated to Gamma-Ray Burst science, scheduled for launch in 2021. MXT is based on square…

Gamma-ray bursts (GRBs) are a promising probe of the high-redshift Universe, but their detection remains observationally challenging. In this work, we explore the detectability of high-$z$ GRBs by the Wide-field X-ray Telescope (WXT) aboard…

High Energy Astrophysical Phenomena · Physics 2025-07-21 Jun-Jie Wei , Xue-Feng Wu

We present the Microchannel X-ray Telescope, a new light and compact focussing telescope that will be flying on the Sino-French SVOM mission dedicated to Gamma-Ray Burst science. The MXT design is based on the coupling of square pore…

The Space-based multi-band astronomical Variable Objects Monitor (SVOM) mission was launched in June 2024. It is a joint Sino-French collaboration designed to detect, localize, and study gammaray bursts (GRBs) and other high-energy…

Instrumentation and Methods for Astrophysics · Physics 2026-04-28 P. Maggi , L. Michel , D. Gotz , S. Crepaldi , A. Fort , L. Kleiver , A. Lorang , K. Mercier , M. Moita , P. Guillout , C. Motch , F. Robinet , A. Sauvageon

We present ECLAIRs, the Gamma-ray burst (GRB) trigger camera to fly on-board the Chinese-French mission SVOM. ECLAIRs is a wide-field ($\sim 2$\,sr) coded mask camera with a mask transparency of 40\% and a 1024 $\mathrm{cm}^2$ detection…

Rapid identification of candidates of high-value gamma-ray bursts (GRBs), including both high-$z$ and local events, is crucial for outlining subsequent observational strategy. In this paper, we present a model that enables an on-duty…

High Energy Astrophysical Phenomena · Physics 2025-03-11 J. Wang , Y. Xu , L. J. Chen , C. Wu , L. P. Xin , E. W. Liang , J. Y. Wei

The localizations of gamma-ray bursts (GRBs) detected with the Gamma-ray Burst Monitor (GBM) onboard the Fermi satellite are known to be affected by significant systematic errors of 3-15 degrees. This is primarily due to mismatch of the…

High Energy Astrophysical Phenomena · Physics 2019-03-13 F. Berlato , J. Greiner , J. Michael Burgess

With the launch and application of next-generation ground- and space-based telescopes, astronomy has entered the era of big data, necessitating more efficient and robust data analysis methods. Most traditional parameter estimation methods…

Astrophysics of Galaxies · Physics 2026-02-18 Zihao Wang , Tao Wang , Ke Xu , Hanwen Sun , Ruining Tian , Qi Hao

On-board the SVOM mission, the Microchannel X-ray Telescope observes the soft X-ray band of the gamma-ray bursts afterglows. The so-called lobster-eye optics focuses X-rays to the camera subsystem that performs imaging and spectroscopy of a…

High Energy Astrophysical Phenomena · Physics 2026-04-28 M. Moita , A. Meuris , P. Ferrando , A. Sauvageon , H. Goto , D. Götz , C. Plasse , L. Godinaud , A. Fort , K. Mercier , S. Crepaldi

The Chinese Space Station Survey Telescope (CSST) will perform a decade-long high-precision wide-field imaging survey that relies on rigorous on-orbit calibration. This necessitates stable celestial benchmark fields to maintain photometric…

Solar and Stellar Astrophysics · Physics 2026-02-13 Chenxiaoji Ling , Juanjuan Ren , Li Shao , Zhimin Zhou , Peng Wei , Youhua Xu , Jinyu Hu , Xin Zhang , Su Yao , Hu Zhan , Chao Liu

High-redshift Gamma-Ray Bursts (GRBs) beyond redshift $\sim6$ are potentially powerful tools to probe the distant early Universe. Their detections in large numbers and at truly high redshifts call for the next generation of high-energy…

Ultra-long gamma-ray bursts (ULGRBs) have very atypical durations of more than 2000 seconds. Even if their origins are discussed, the SVOM mission with its soft gamma-ray telescope ECLAIRs could detect ULGRBs and increase the sample of the…

Instrumentation and Methods for Astrophysics · Physics 2018-10-30 Nicolas Dagoneau , Stéphane Schanne , Alexandra Gros , Bertrand Cordier

The coincidental detection of the gravitational wave event GW 170817 and the associated gamma-ray burst GRB 170817A marked the advent of multi-messenger astronomy and represented a milestone in the study of GRBs. In this context, the launch…

High Energy Astrophysical Phenomena · Physics 2020-12-23 B. Arcier , JL. Atteia , O. Godet , S. Mate , S. Guillot , N. Dagoneau , J. Rodriguez , D. Gotz , S. Schanne , M. G. Bernardini

Gamma-ray Bursts (GRB) were discovered by satellite-based detectors as powerful sources of transient $\gamma$-ray emission. The Fermi satellite detected an increasing number of these events with its dedicated Gamma-ray Burst Monitor (GBM),…

Instrumentation and Methods for Astrophysics · Physics 2021-09-29 G. La Mura , U. Barres de Almeida , R. Conceição , A. De Angelis , F. Longo , M. Pimenta , E. Prandini , E. Ruiz-Velasco , B. Tomé