TNS Astronomical Transient Report No. 270757 [ 2025TNSTR3781....1X ]

Date Received (UTC): 2025-09-20 13:04:09
Date made public:
Sender: WFST_SN
Reporting Group: WFST     Discovery Data Source: WFST

Zelin Xu, Dezheng Meng, Ji-an Jiang, Weiyu Wu, Zhengyan Liu, Junhan Zhao, Ziqing Jia (USTC) on behalf of the WFST collaboration report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025ybg
Discoverer internal name: WFST250916ftxt
Coordinates (J2000): RA = 01:14:20.220 (18.58425) DEC = +03:07:34.37 (3.126214)
Discovery date: 2025-09-16 19:55:12.000 (JD=2460935.33)



Photometry

Discovery (first detection):
Discovery date: 2025-09-16 19:55:12.000
Flux: 22.38 ABMag
Filter: g-WFST
Instrument: WFST-WFC
Telescope: Wide Field Survey Telescope

Last non-detection:
Last non-detection date: 2025-09-15 21:43:12
Limiting flux: 22.06 ABMag
Filter: r-WFST
Instrument: WFST-WFC
Telescope: Wide Field Survey Telescope


Details of the new object can be viewed here: https://www.wis-tns.org/object/2025ybg