TNS Astronomical Transient Report No. 266845 [ 2025TNSTR3303....1S ]

Date Received (UTC): 2025-08-21 04:28:43
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 2025usq
Discoverer internal name: ZTF25abjvbzf
Coordinates (J2000): RA = 12:43:11.771 (190.7990479) DEC = +23:37:12.90 (23.6202511)
Discovery date: 2025-08-17 03:35:46.003 (JD=2460904.649838)



Photometry

Discovery (first detection):
Discovery date: 2025-08-17 03:35:46.003
Flux: 19.6033 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-08-17 03:28:48
Limiting flux: 18.7489 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/2025usq