TNS Astronomical Transient Report No. 271260 [ 2025TNSTR3862....1S ]

Date Received (UTC): 2025-09-25 04:42:32
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 2025ymm
Discoverer internal name: ZTF18aajbzog
Coordinates (J2000): RA = 16:47:10.573 (251.7940545) DEC = +22:40:47.59 (22.6798858)
Discovery date: 2025-09-24 03:11:51.002 (JD=2460942.6332292)



Photometry

Discovery (first detection):
Discovery date: 2025-09-24 03:11:51.002
Flux: 19.6441 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-09-16 04:11:49
Limiting flux: 20.2727 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/2025ymm