Jin-Song Deng

First Gamma-Ray Burst Observations with SVOM

F. Daigne, Damien Turpin, J. L. Atteia, Jesse Palmerio et autres

Abstract Following its launch on 22 June 2024, the Space-based multi-band astronomical Variable Objects Monitor (SVOM) successfully completed its flight acceptance, commissioning, and scientific validation phases in early 2025, during which several tens of gamma-ray bursts (GRBs) were detected onboard. Three quarters …

fr, cn, hk, dk, it (code pays fourni par la source)

Early results from the SVOM Observatory Science program

A Coleiro, Lian Tao, F. Cangemi, X. H. Han et autres

Abstract 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 collected between July 2024 and December 2025. Although primarily designed for gamma-ray burst studies, SVOM’s wide-field, …

fr, cn, in, au, us (code pays fourni par la source)

SVOM/VT: Overview of data processing and GRB identifications with X-band data

Hui Li, Yulei Qiu, Li-Ping Xin, Chao Wu et autres

Abstract VT (Visible Telescope) is an optical telescope aboard SVOM mission, specifically designed to detect optical counterparts of gamma-ray bursts, study their afterglows, and select high-redshift candidates. It performs rapid follow-up observations simultaneously in two channels through either autonomous platform slewing or …

cn, fr (code pays fourni par la source)

SVOM/C-GFT: Instrumentation and Performances on the SVOM Alerts

Chao Wu, Zhe Kang, XiaoMeng Lü, X. H. Han et autres

Abstract The Chinese Ground Follow-up Telescope (C-GFT) is an optical facility upgraded to support the Space Variable Objects Monitor mission (SVOM). Located at the Jilin Observation Station, it is capable of rapidly identifying and monitoring the optical counterparts of Gamma-Ray Bursts (GRBs). …

cn (code pays fourni par la source)

\textit{SVOM}/VT: Instrument Overview, Science Objectives, and First-YearPerformance

Yulei Qiu, Li-Ping Xin, Jin-Song Deng, Jian Zhang et autres

Abstract 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 high-energy transients. This paper presents the …

cn (code pays fourni par la source)

SVOM/VT: On-ground processing of VT–VHF data

Chao Wu, Jesse Palmerio, Tatyana Sadibekova, Yannis Canton et autres

Abstract The VT–VHF data comprise three types of onboard-processed data results generated from four sequential observational sequences and transmitted to the ground via a Very High Frequency (VHF) downlink. On the ground, these data are processed by three successive pipelines: the Pre-processing …

cn, fr (code pays fourni par la source)

Overview of Ground-based Wide-Angle Cameras array

Li-Ping Xin, L L Huang, Hong-Bo Cai, X. H. Han et autres

Abstract As one of the key ground-based facilities of the Chinese-French \textit{SVOM} mission, the main scientific objectives of the Ground-based Wide Angle Camera array (GWAC) are to detect prompt optical emission of gamma-ray bursts or other short duration astronomical transients on a …

cn, au (code pays fourni par la source)

\textit{SVOM}/VT: Preliminary Calibration Analysis

Zhu-Heng Yao, Yulei Qiu, Jin-Song Deng, Li-Ping Xin et autres

Abstract We present the in-orbit calibration of the Visible Telescope (VT), one of the key instruments aboard the Space Variable Objects Monitor (\textit{SVOM}) mission for gamma-ray burst (GRB) studies. Using \textit{Gaia}~Data Release 3 (DR3) as a reference, the VT achieves an astrometric …

cn, fr (code pays fourni par la source)

SVOM/VT: Flight Model Verification and Pre-launch Testing

Jian Zhang, Xue-Wu Fan, G. Zou, Yulei Qiu et autres

Abstract 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 cycling, energy concentration analysis, stray light suppression, and CCD/electronics calibrations (gain, noise, …

cn (code pays fourni par la source)

SVOM Science User Support Services at CSC

Xuhui Han, Li-Ping Xin, Jing Wang, Yu-jie Xiao et autres

Abstract The Chinese-French SVOM (Space-based Multi-band Astronomical Variable Objects Monitor) mission is dedicated to the study of gamma-ray bursts (GRBs) from the distant universe. A key component of the SVOM Chinese Ground Segment, the Science User Support Services (SUSS) provides comprehensive support …

cn, us (code pays fourni par la source)

SVOM/VT: Preliminary Calibration Analysis

Zhu-Heng Yao, Yu-Lei Qiu, Jin-Song Deng, Li-Ping Xin et autres

We present the in-orbit calibration of the Visible Telescope (VT), one of the key instruments aboard the Space Variable Objects Monitor (SVOM) mission for gamma-ray burst (GRB) studies. Using Gaia Data Release 3 (DR3) as a reference, the VT achieves an astrometric …

SVOM/VT: Overview of data processing and GRB identifications with X-band data

Hua-Li Li, Yu-Lei Qiu, Li-Ping Xin, Chao Wu et autres

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 afterglows, and select high-redshift candidates. It performs rapid follow-up observations simultaneously in …