TNS Astronomical Transient Report No. 300901 [ 2026TNSTR1745....1M ]

Date Received (UTC): 2026-04-21 18:32:00
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, S. Jurado, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: SN 2026kgw
Discoverer internal name: ZTF26aattvur
Coordinates (J2000): RA = 17:39:40.560 (264.918998) DEC = +14:49:02.18 (14.8172734)
Discovery date: 2026-04-21 10:45:12.004 (JD=2461151.9480556)

Potential host galaxy: DESI J264.9185+14.8169
Host redshift: 0.0928297939

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/ZTF26aattvur

Photometry

Discovery (first detection):
Discovery date: 2026-04-21 10:45:12.004
Flux: 19.4006 ABMag
Filter: i-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2026-04-21 10:29:21
Limiting flux: 20.3527 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/2026kgw