TNS Astronomical Transient Report No. 255459 [ 2025TNSTR1839....1P ]

Date Received (UTC): 2025-05-19 17:30:39
Date made public:
Sender: Fritz
Reporting Group: ZTF     Discovery Data Source: ZTF

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

IAU Designation: SN 2025ktt
Discoverer internal name: ZTF25aaqkhyr
Coordinates (J2000): RA = 18:08:46.781 (272.1949188) DEC = +23:10:14.19 (23.1706081)
Discovery date: 2025-05-16 10:16:51.997 (JD=2460811.9283796)



Photometry

Discovery (first detection):
Discovery date: 2025-05-16 10:16:51.997
Flux: 19.6796 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-05-16 09:02:51
Limiting flux: 22.6192 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/2025ktt