TNS Astronomical Transient Report No. 259813 [ 2025TNSTR2364....1S ]

Date Received (UTC): 2025-06-23 07:44:32
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 2025osk
Discoverer internal name: ZTF25aavtrjm
Coordinates (J2000): RA = 14:52:19.957 (223.0831527) DEC = +17:06:18.91 (17.1052533)
Discovery date: 2025-06-14 08:00:02.001 (JD=2460840.8333565)



Photometry

Discovery (first detection):
Discovery date: 2025-06-14 08:00:02.001
Flux: 20.3063 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-05-31 06:17:19
Limiting flux: 20.3722 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/2025osk