TNS Astronomical Transient Report No. 300810 [ 2026TNSTR1724....1M ]

Date Received (UTC): 2026-04-20 18:42:01
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, F.E. Bauer, G. Pignata, 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 2026ker
Discoverer internal name: ZTF26aatqmer
Coordinates (J2000): RA = 20:48:56.927 (312.2371947) DEC = -17:32:16.96 (-17.5380438)
Discovery date: 2026-04-20 11:52:04.999 (JD=2461150.9945023)


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/ZTF26aatqmer

Photometry

Discovery (first detection):
Discovery date: 2026-04-20 11:52:04.999
Flux: 19.4674 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Archival info: Other
Remarks: ZTF non-detection limits not available

Details of the new object can be viewed here: https://www.wis-tns.org/object/2026ker