TNS Astronomical Transient Report No. 266572 [ 2025TNSTR3281....1S ]

Date Received (UTC): 2025-08-19 04:56:55
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 2025une
Discoverer internal name: ZTF25abjesfq
Coordinates (J2000): RA = 16:00:04.210 (240.0175414) DEC = +40:47:50.84 (40.7974548)
Discovery date: 2025-08-17 04:16:39.996 (JD=2460904.6782407)



Photometry

Discovery (first detection):
Discovery date: 2025-08-17 04:16:39.996
Flux: 19.9221 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-08-15 06:45:40
Limiting flux: 20.1515 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/2025une