TNS Astronomical Transient Report No. 266934 [ 2025TNSTR3303....1S ]

Date Received (UTC): 2025-08-21 13:13:42
Date made public:
Sender: Fritz
Reporting Group: ZTF     Discovery Data Source: ZTF

Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025uum
Discoverer internal name: ZTF25abklflc
Coordinates (J2000): RA = 07:13:40.595 (108.4191459) DEC = +36:25:26.36 (36.4239885)
Discovery date: 2025-08-21 11:58:52.003 (JD=2460908.999213)



Photometry

Discovery (first detection):
Discovery date: 2025-08-21 11:58:52.003
Flux: 19.5238 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-08-18 12:20:36
Limiting flux: 18.5989 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


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