TNS Astronomical Transient Report No. 241985 [ 2025TNSTR.293....1S ]

Date Received (UTC): 2025-01-21 11:48:19
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 2025ys
Discoverer internal name: ZTF25aacicgu
Coordinates (J2000): RA = 12:46:50.211 (191.7092132) DEC = +47:07:23.85 (47.1232911)
Discovery date: 2025-01-18 13:15:17.000 (JD=2460694.0522801)



Photometry

Discovery (first detection):
Discovery date: 2025-01-18 13:15:17.000
Flux: 19.7364 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-01-18 12:18:31
Limiting flux: 20.0428 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/2025ys