TNS Astronomical Transient Report No. 257952 [ 2025TNSTR2119....1M ]

Date Received (UTC): 2025-06-06 19:45:13
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, 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: SN 2025nak
Discoverer internal name: ZTF25aatxryo
Coordinates (J2000): RA = 23:09:14.340 (347.3097497) DEC = -00:58:52.79 (-0.9813298)
Discovery date: 2025-06-05 11:05:42.996 (JD=2460831.9623032)

Potential host galaxy: SDSS J230914.49-005856.6
Host redshift: 0.02735403

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/ZTF25aatxryo

Photometry

Discovery (first detection):
Discovery date: 2025-06-05 11:05:42.996
Flux: 20.108 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2025-05-16 11:35:35
Limiting flux: 19.3153 ABMag
Filter: r-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/2025nak