TNS Astronomical Transient Report No. 301813 [ 2026TNSTR1851....1G ]

Date Received (UTC): 2026-04-28 10:09:02
Date made public:
Sender: BlackGEM_Bot1
Reporting Group: BlackGEM     Discovery Data Source: BlackGEM

P. Groot, H. Tranin, F. Stoppa, D. Pieterse, G. Ramsay, S. Faris, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi report/s the discovery of a new astronomical transient.

IAU Designation: SN 2026kyu
Discoverer internal name: BGEM J181254.41+112256.9
Coordinates (J2000): RA = 18:12:54.411 (273.226713) DEC = +11:22:56.95 (11.382486)
Discovery date: 2026-04-28 06:03:59.000 (JD=2461158.7527662)



Photometry

Discovery (first detection):
Discovery date: 2026-04-28 06:03:59.000
Flux: 19.73 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3

Last non-detection:
Last non-detection date: 2026-03-24 09:32:24
Limiting flux: 20.45 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3


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