TNS Astronomical Transient Report No. 263858 [ 2025TNSTR2921....1S ]

Date Received (UTC): 2025-07-26 11:49:48
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 2025sgk
Discoverer internal name: ZTF25abdmxqc
Coordinates (J2000): RA = 22:56:02.714 (344.0113087) DEC = +48:58:51.49 (48.9809704)
Discovery date: 2025-07-08 07:44:01.000 (JD=2460864.8222338)



Photometry

Discovery (first detection):
Discovery date: 2025-07-08 07:44:01.000
Flux: 20.1071 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-07-03 09:20:36
Limiting flux: 20.6771 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


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