TNS Astronomical Transient Report No. 268714 [ 2025TNSTR3470....1F ]

Date Received (UTC): 2025-08-31 02:08:13
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, E. Pizarro, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025wku
Discoverer internal name: ZTF25abkoprm
Coordinates (J2000): RA = 18:48:08.166 (282.0340263) DEC = +60:50:02.04 (60.8339011)
Discovery date: 2025-08-30 05:06:52.998 (JD=2460917.7131134)

Potential host galaxy: WISEA J184807.96+605002.1

Remarks: SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25abkoprm

Photometry

Discovery (first detection):
Discovery date: 2025-08-30 05:06:52.998
Flux: 20.4556 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2025-08-27 06:40:15
Limiting flux: 20.4502 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Details of the new object can be viewed here: https://www.wis-tns.org/object/2025wku