TNS Astronomical Transient Report No. 242017 [ 2025TNSTR.300....1G ]

Date Received (UTC): 2025-01-22 05:38:02
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 2025zi
Discoverer internal name: BGEM J033854.58-262214.6
Coordinates (J2000): RA = 03:38:54.586 (54.727442) DEC = -26:22:14.65 (-26.370736)
Discovery date: 2025-01-21 01:02:37.000 (JD=2460696.5434838)



Photometry

Discovery (first detection):
Discovery date: 2025-01-21 01:02:37.000
Flux: 20.07 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3

Last non-detection:
Last non-detection date: 2025-01-19 01:58:22
Limiting flux: 21.31 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam2
Telescope: BlackGEM- 2


Details of the new object can be viewed here: https://www.wis-tns.org/object/2025zi