TNS Astronomical Transient Report No. 280899 [ 2025TNSTR5016....1S ]

Date Received (UTC): 2025-12-17 05:16:52
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 2025ahdt
Discoverer internal name: ZTF25acgngdl
Coordinates (J2000): RA = 21:41:27.257 (325.3635703) DEC = -04:20:22.09 (-4.3394695)
Discovery date: 2025-12-11 02:24:25.004 (JD=2461020.6002894)



Photometry

Discovery (first detection):
Discovery date: 2025-12-11 02:24:25.004
Flux: 19.2463 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-12-07 03:43:34
Limiting flux: 19.4505 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


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