TNS Astronomical Transient Report No. 256931 [ 2025TNSTR1985....1X ]

Date Received (UTC): 2025-05-27 13:14:53
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 2025mdm
Discoverer internal name: WFST0609arfq
Coordinates (J2000): RA = 10:31:43.120 (157.929667) DEC = +04:19:26.57 (4.324047)
Discovery date: 2025-05-19 14:44:09.600 (JD=2460815.114)



Photometry

Discovery (first detection):
Discovery date: 2025-05-19 14:44:09.600
Flux: 22.31 ABMag
Filter: g-WFST
Instrument: WFST-WFC
Telescope: Wide Field Survey Telescope

Last non-detection:
Last non-detection date: 2025-05-18 14:38:24
Limiting flux: 22.48 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/2025mdm