TNS Astronomical Transient Report No. 259809 [ 2025TNSTR2364....1S ]

Date Received (UTC): 2025-06-23 07:43:55
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 2025osh
Discoverer internal name: ZTF25aavtvhu
Coordinates (J2000): RA = 10:47:44.810 (161.9367072) DEC = +71:25:18.62 (71.4218376)
Discovery date: 2025-06-19 06:55:49.002 (JD=2460845.7887616)



Photometry

Discovery (first detection):
Discovery date: 2025-06-19 06:55:49.002
Flux: 19.7522 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-06-06 04:22:00
Limiting flux: 19.9055 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/2025osh