TNS Astronomical Transient Report No. 270743 [ 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 2025yas
Discoverer internal name: WFST250913ewoz
Coordinates (J2000): RA = 01:14:59.570 (18.748208) DEC = +05:57:47.42 (5.963172)
Discovery date: 2025-09-13 21:15:50.400 (JD=2460932.386)



Photometry

Discovery (first detection):
Discovery date: 2025-09-13 21:15:50.400
Flux: 21.87 ABMag
Filter: r-WFST
Instrument: WFST-WFC
Telescope: Wide Field Survey Telescope

Last non-detection:
Last non-detection date: 2025-09-12 21:46:05
Limiting flux: 21.6 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/2025yas