TNS Astronomical Transient Report No. 274049 [ 2025TNSTR4211....1S ]

Date Received (UTC): 2025-10-20 10:01:49
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 2025aazi
Discoverer internal name: ZTF25abxpson
Coordinates (J2000): RA = 09:41:58.095 (145.4920643) DEC = +75:03:36.72 (75.0602004)
Discovery date: 2025-10-13 10:53:06.002 (JD=2460961.9535417)



Photometry

Discovery (first detection):
Discovery date: 2025-10-13 10:53:06.002
Flux: 20.3522 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-10-10 11:55:21
Limiting flux: 19.9481 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/2025aazi