76 citations · 288 across the 32 of their papers we have counts for
33 papers
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…
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…
SVOM/C-GFT: Instrumentation and Performances on the SVOM Alerts
Chao Wu, Zhe Kang, Xiao-Meng Lu +20
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 Observati…
SVOM/VT: Overview of data processing and GRB identifications with X-band data
Hua-Li Li, Yu-Lei Qiu, Li-Ping Xin +16
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…
Alert Chain and Observation Planning for Ground Wide Angle Camera Network
Xu-hui Han, Pin-pin Zhang, Yu-jie Xiao +10
The Ground Wide Angle Camera Network (GWAC-N) is a robotic telescope network. It consists of ten wide-field core telescopes (GWAC-A) and two 60cm narrow-field rapid follow-up teles…
Overview of Ground-based Wide-Angle Cameras array
Liping Xin, Lei Huang, Hongbo Cai +25
As one of the key ground-based facilities of the Chinese-French SVOM mission, the main scientific objectives of the Ground-based Wide Angle Camera array (GWAC) are to detect prompt…
SVOM/VT: Preliminary Calibration Analysis
Zhu-Heng Yao, Yu-Lei Qiu, Jin-Song Deng +9
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) stu…
SVOM Science User Support Services at Chinese Science Center
Xu-hui Han, Li-ping Xin, Jing Wang +25
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…
SVOM/VT: Instrument Overview, Science Objectives, and First-Year Performance
Yu-Lei Qiu, Li-Ping Xin, Jin-Song Deng +22
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 t…
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…
Minutes-long soft X-ray prompt emission from a compact object merger
An Li, Chen-Wei Wang, Niccolò Passaleva +75
Compact object mergers are multi-messenger sources and known progenitors of some gamma-ray bursts, bright flashes of high-energy radiation powered by a central engine, either an ac…
SVOM Follow-up Observation Coordinating Service
Xu-hui Han, Pin-pin Zhang, Yu-jie Xiao +27
The Sino-French SVOM (Space Variable Objects Monitor) mission is a space-based astronomy mission complemented with ground-based dedicated instrumentation. It aims to explore and st…
Simultaneous Multiband Photometry of the Early Optical Afterglow of GRB 240825A with Mephisto
Yehao Cheng, Yu Pan, Yuan-Pei Yang +19
Gamma-ray bursts (GRBs) are the most luminous transients in the universe. The interaction of the relativistic jet with the circumburst medium produces an afterglow and generates mu…
The white-light superflares from cool stars in GWAC triggers
Guang-Wei Li, Liang Wang, Hai-Long Yuan +16
M-type stars are the ones that flare most frequently, but how big their maximum flare energy can reach is still unknown. We present 163 flares from 162 individual M2 through L1-typ…
White-light superflare and long-term activity of the nearby M7 type binary EI~Cnc observed with GWAC system
Hua-Li Li, Jing Wang, Li-Ping Xin +14
Stellar white-light flares are believed to play an essential role on the physical and chemical properties of the atmosphere of the surrounding exoplanets. Here we report an optical…
Prompt-to-afterglow transition of optical emission in a long gamma-ray burst consistent with a fireball
Liping Xin, Xuhui Han, Huali Li +19
Long gamma-ray bursts (GRBs), which signify the end-life collapsing of very massive stars, are produced by extremely relativistic jets colliding into circumstellar medium. Huge ene…
A huge-amplitude white-light superflare on a L0 brown dwarf discovered by GWAC survey
Li-Ping Xin, Hua-li Li, Jing Wang +21
White-light superflares from ultra cool stars are thought to be resulted from magnetic reconnection, but the magnetic dynamics in a fully convective star is not clear yet. In this…
Photometric and Spectroscopic Observations of GRB 210104A: Bright Reverse shock Emission and Dense Circumburst Environment
Lu-Lu Zhang, Li-Ping Xin, Jing Wang +6
Early afterglow observations of gamma-ray bursts (GRBs) are valuable for exploring the properties of their jets and ambient medium. We report our photometric and spectroscopic obse…
Magnetic activities and parameters of 43 flare stars in the GWAC archive
Guang-Wei Li, Chao Wu, Gui-Ping Zhou +19
In the archive of the Ground Wide Angle Camera (GWAC), we found 43 white light flares from 43 stars, among which, three are sympathetic or homologous flares, and one of them also h…
An Automatic Observation Management System of the GWAC Network I: System Architecture and Workflow
Xuhui Han, Yujie Xiao, PinPin Zhang +21
The GWAC-N is an observation network composed of multi-aperture and multi-field of view robotic optical telescopes. The main instruments are the GWAC-A. Besides, several robotic op…
Distribution of Si II 6355 Velocities of Type Ia Supernovae and Implications for Asymmetric Explosions
Keto D. Zhang, WeiKang Zheng, Thomas de Jaeger +7
The ejecta velocity is a very important parameter in studying the structure and properties of Type Ia supernovae (SNe Ia). It is also a candidate key parameter in improving the uti…
The GWAC Data Processing and Management System
Yang Xu, Liping Xin, Xuhui Han +10
GWAC will have been built an integrated FOV of 5,000 and have already built 1,800 square . The limit magnitude of a 10-second exposure image in the moonless ni…
A Real-time Automatic Validation System for Optical Transients detected by GWAC
Yang Xu, Liping Xin, Jing Wang +4
The ground-based wide-angle camera array (GWAC) generates millions of single frame alerts per night. After the complicated and elaborate filters by multiple methods, a couple of do…
SN 2017cfd: A Normal Type Ia Supernova Discovered Very Young
Xuhui Han, WeiKang Zheng, Benjamin E. Stahl +22
The Type~Ia supernova (SN~Ia) 2017cfd in IC~0511 (redshift z = 0.01209+- 0.00016$) was discovered by the Lick Observatory Supernova Search 1.6+-0.7 d after the fitted first-light t…