TNS Astronomical Transient Report No. 264841 [ 2025TNSTR3055....1S ]

Date Received (UTC): 2025-08-03 11:01:58
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 2025tbc
Discoverer internal name: ZTF25abggyrh
Coordinates (J2000): RA = 16:23:49.430 (245.9559577) DEC = +46:51:51.46 (46.8642944)
Discovery date: 2025-08-01 06:22:30.000 (JD=2460888.765625)



Photometry

Discovery (first detection):
Discovery date: 2025-08-01 06:22:30.000
Flux: 19.976 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-07-04 08:14:06
Limiting flux: 20.941 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/2025tbc