TNS Astronomical Transient Report No. 266593 [ 2025TNSTR3282....1S ]

Date Received (UTC): 2025-08-19 14:25:19
Date made public:
Sender: ZTF_MMA_bot
Reporting Group: ZTF     Discovery Data Source: ZTF

Robert Stein (UMD) on behalf of ZTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025unm
Discoverer internal name: ZTF25abjmvwh
Coordinates (J2000): RA = 16:28:08.347 (247.034779) DEC = +42:03:26.38 (42.0573274)
Discovery date: 2025-08-18 04:10:37.004 (JD=2460905.6740394)



Photometry

Discovery (first detection):
Discovery date: 2025-08-18 04:10:37.004
Flux: 21.8594 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-08-17 05:12:37
Limiting flux: 20.609 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


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