TNS Astronomical Transient Report No. 270769 [ 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 2025ybs
Discoverer internal name: WFST250916kkhp
Coordinates (J2000): RA = 02:26:03.200 (36.513333) DEC = +03:15:27.52 (3.257644)
Discovery date: 2025-09-16 20:22:33.600 (JD=2460935.349)



Photometry

Discovery (first detection):
Discovery date: 2025-09-16 20:22:33.600
Flux: 22.03 ABMag
Filter: g-WFST
Instrument: WFST-WFC
Telescope: Wide Field Survey Telescope

Last non-detection:
Last non-detection date: 2025-09-14 16:26:24
Limiting flux: 21.53 ABMag
Filter: g-WFST
Instrument: WFST-WFC
Telescope: Wide Field Survey Telescope


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