TNS Astronomical Transient Report No. 300900 [ 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: AT 2026kgv
Discoverer internal name: ZTF26aatsyvk
Coordinates (J2000): RA = 13:34:06.597 (203.52748691836) DEC = +11:18:46.85 (11.313014745195)
Discovery date: 2026-04-17 07:27:36.999 (JD=2461147.8108449)

Potential host galaxy: DESI J203.5280+11.3128
Host redshift: 0.0965809032

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/ZTF26aatsyvk

Photometry

Discovery (first detection):
Discovery date: 2026-04-17 07:27:36.999
Flux: 20.5502 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2026-04-16 07:30:25
Limiting flux: 20.0957 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/2026kgv