54 citations · 152 across the 30 of their papers we have counts for
30 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…
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…
SVOM/VT: On-ground processing of VT-VHF data
Chao Wu, Jesse T. Palmerio, Tatyana Sadibekova +14
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 Frequen…
SVOM/VT: Real-Time Onboard Data Processing
Hong-Bo Cai, Yu-Lei Qiu, Li-Ping Xin +16
The SVOM Visible Telescope (VT) is critical for the rapid identification of gamma-ray burst (GRB) optical counterparts, particularly for high-redshift candidates that require immed…
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…
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…
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…
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…
LEIA discovery of the longest-lasting and most energetic stellar X-ray flare ever detected
Xuan Mao, He-Yang Liu, Song Wang +40
The Lobster Eye Imager for Astronomy (LEIA) detected a new X-ray transient on 2022 November 7, identified as a superflare event occurring on a nearby K-type giant star HD 251108. T…
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…
Photometric observations of flares on AD Leo from GWAC-F30 and TESS
Jian-Ying Bai, Jing Wang, Hua-Li Li +4
We observed active M dwarf star AD Leo for 146 hr in photometry by GWAC-F30 and also analyzed 528-hr photometric data of the star from TESS. A total of 9 and 70 flares are detected…
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…
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…
The intra-day Optical Monitoring of BL Lacerate Object 1ES 1218+304 at Its Highest X-ray Flux Level
S. S. Sun, H. L. Li, X. Yang +3
We here report a monitor of the BL Lac object 1ES 1218+304 in both B- and R-bands by the GWAC-F60A telescope in eight nights, when it was triggerd to be at its highest X-ray flux i…
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…