TNS Astronomical Transient Report No. 265988 [ 2025TNSTR3231....1S ]

Date Received (UTC): 2025-08-16 06:12:05
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 2025tzm
Discoverer internal name: ZTF18abdnihj
Coordinates (J2000): RA = 18:57:53.619 (284.473413) DEC = +49:55:46.82 (49.9296725)
Discovery date: 2025-08-14 04:19:16.000 (JD=2460901.6800463)



Photometry

Discovery (first detection):
Discovery date: 2025-08-14 04:19:16.000
Flux: 19.6961 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-08-11 05:22:25
Limiting flux: 20.0556 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/2025tzm