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The 44-cm Visible Telescope (VT) aboard the Space-based Variable Objects Monitor (SVOM) is a dual-band (400-650 nm and 650-1000 nm) instrument designed to detect and characterize the optical counterparts of gamma-ray bursts (GRBs) and other…

VT (the Visible Telescope) is an optical telescope onboard the SVOM (Space-based Multi-band Astronomical Variable Objects Monitor) mission, specifically designed to detect optical counterparts of gamma-ray bursts (GRBs), study their…

This paper presents pre-launch testing and calibration results for the SVOM/VT (Space-based Variable Objects Monitor, Visible Telescope) Flight Model (FM), validating its performance under simulated space conditions through thermal vacuum…

The Space multi-band Variable Object Monitor (SVOM) is a proposed Chinese astronomical satellite, dedicated to the detection, localization and measurement of the gamma-ray bursts (GRBs) on the cosmological scale. An efficient algorithm is…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 T. Wang , Y. Qiu , H. Cai , J. Deng

The Space-based multi-band astronomical Variable Object Monitor (SVOM) mission is dedicated to the detection, localization and broad-band study of Gamma-Ray Bursts (GRBs) and other high-energy transient phenomena. The Gamma Ray Monitor…

Instrumentation and Methods for Astrophysics · Physics 2009-07-17 Yongwei Dong , Bobing Wu , Yanguo Li , Yongjie Zhang , Shuangnan Zhang

We present the Space-based multi-band astronomical Variable Object Monitor (SVOM), a future satellite mission for Gamma-Ray Burst (GRB) studies, developed in cooperation between the Chinese National Space Agency (CNSA), the Chinese Academy…

Instrumentation and Methods for Astrophysics · Physics 2010-05-31 S. Schanne , J. Paul , J. Wei , S. -N. Zhang , S. Basa , J. -L. Atteia , D. Barret , A. Claret , B. Cordier , F. Daigne , P. Evans , G. Fraser , O. Godet , D. Götz , P. Mandrou , J. Osborne

We present the SVOM (Space-based multi-band astronomical Variable Object Monitor) mission, that is being developed in cooperation between the Chinese National Space Agency (CNSA), the Chinese Academy of Science (CAS) and the French Space…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 D. Gotz , J. Paul , S. Basa , J. Wei , S. N. Zhang , J. -L. Atteia , D. Barret , B. Cordier , A. Claret , J. Deng , X. Fan , J. Y. Hu , M. Huang , P. Mandrou , S. Mereghetti , Y. Qiu , B. Wu

The Gamma-Ray Monitor (GRM) is a key scientific payload onboard the Space-based Multi-band Variable Object Monitor (SVOM) satellite, designed specifically for the detection and study of gamma-ray bursts (GRBs). Launched into a 625 km…

In spite of the importance of studying the cosmic generation of heavy elements through the r-process, the detection of kilonova resulted from a merger of neutron star binaries is still a challenge task. In this paper, we show that the…

High Energy Astrophysical Phenomena · Physics 2024-09-25 J. Wang , L. P. Xin , Y. L. Qiu , L. Lan , W. J. Xie , Z. P. Jin , J. Y. Wei

We briefly present the science capabilities, the instruments, the operations, and the expected performance of the SVOM mission. SVOM (Space-based multiband astronomical Variable Objects Monitor) is a Chinese-French space mission dedicated…

Instrumentation and Methods for Astrophysics · Physics 2015-12-11 B. Cordier , J. Wei , J. -L. Atteia , S. Basa , A. Claret , F. Daigne , J. Deng , Y. Dong , O. Godet , A. Goldwurm , D. Götz , X. Han , A. Klotz , C. Lachaud , J. Osborne , Y. Qiu , S. Schanne , B. Wu , J. Wang , C Wu , L. Xin , B. Zhang , S. -N. Zhang

The Space-based multi-band astronomical Variable Objects Monitor (SVOM) is an approved satellite mission for Gamma-Ray Burst (GRB) studies, developed in cooperation between the Chinese National Space Agency (CNSA), the Chinese Academy of…

Instrumentation and Methods for Astrophysics · Physics 2015-08-25 Stéphane Schanne , Bertrand Cordier , Jean-Luc Atteia , Olivier Godet , Cyril Lachaud , Karine Mercier

The Chinese Ground Follow-up Telescope (C-GFT) is an optical facility upgraded to support the Space Variable Objects Monitor mission (\textit{SVOM}). Located at the Jilin Observation Station, it is capable of rapidly identifying and…

We present the Space-based multi-band astronomical Variable Objects Monitor mission (SVOM) decided by the Chinese National Space Agency (CNSA) and the French Space Agency (CNES). The mission which is designed to detect about 80 Gamma-Ray…

Astrophysics · Physics 2019-08-13 S. Basa , J. Wei , J. Paul , S. N. Zhang

Results of the initial calibration of the Ultra-Violet Imaging Telescope (UVIT) were reported earlier by Tandon et al. (2017). The results reported earlier were based on the ground calibration as well as the first observations in orbit.…

The Sino-French SVOM mission (Space-based multi-band astronomical Variable Objects Monitor) has been designed to detect all known types of gamma-ray bursts (GRBs) and to provide fast and reliable GRB positions. In this study we present the…

Astrophysics · Physics 2009-11-13 Bertrand Cordier , Francois Desclaux , Jacques Foliard , Stephane Schanne

The soft gamma-ray telescope ECLAIRs with its Scientific Trigger Unit is in charge of detecting Gamma-Ray Bursts (GRBs) on-board the future SVOM satellite. Using the "scientific software model" (SSM), we study the efficiency of both…

Instrumentation and Methods for Astrophysics · Physics 2015-08-25 S. Antier , S. Schanne , B. Cordier , A. Gros , D. Götz , C. Lachaud

The Sino-French space mission SVOM (Space-based multi-band astronomical Variable Objects Monitor) is mainly designed to detect and localize Gamma-Ray Burst events (GRBs). The satellite, to be launched late 2021, embarks a set of gamma-ray,…

Instrumentation and Methods for Astrophysics · Physics 2018-02-07 B. Cordier , D. Götz , C. Motch

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 the transient sky. Inspired by the Neil Gehrels Swift…

Swift/UVOT has the capability to provide critical insight into the physics of the early afterglows of gamma-ray bursts (GRBs). But without precise calibration of the UVOT to standard photometric systems, it is impossible to leverage late-…

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