TNS Astronomical Transient Report No. 255226 [ 2025TNSTR1820....1S ]

Date Received (UTC): 2025-05-17 12:55:37
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: SN 2025koz
Discoverer internal name: ZTF25aaqocue
Coordinates (J2000): RA = 16:09:17.649 (242.3235372) DEC = +09:40:46.49 (9.6795819)
Discovery date: 2025-05-17 10:19:17.996 (JD=2460812.9300694)



Photometry

Discovery (first detection):
Discovery date: 2025-05-17 10:19:17.996
Flux: 19.7607 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-05-15 11:18:30
Limiting flux: 19.1934 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


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