TNS Astronomical Transient Report No. 258823 [ 2025TNSTR2260....1X ]

Date Received (UTC): 2025-06-17 13:05:52
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 2025nsu
Discoverer internal name: WFST0615ktyk
Coordinates (J2000): RA = 13:21:08.850 (200.286875) DEC = +04:02:45.31 (4.045919)
Discovery date: 2025-05-24 16:03:21.600 (JD=2460820.169)



Photometry

Discovery (first detection):
Discovery date: 2025-05-24 16:03:21.600
Flux: 22.74 ABMag
Filter: r-WFST
Instrument: WFST-WFC
Telescope: Wide Field Survey Telescope

Last non-detection:
Last non-detection date: 2025-05-22 16:06:14
Limiting flux: 22.66 ABMag
Filter: g-WFST
Instrument: WFST-WFC
Telescope: Wide Field Survey Telescope


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