TNS Astronomical Transient Report No. 241959 [ 2025TNSTR.283....1G ]

Date Received (UTC): 2025-01-21 07:30:08
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: AT 2025yi
Discoverer internal name: BGEM J034653.06-674428.3
Coordinates (J2000): RA = 03:46:53.061 (56.721088) DEC = -67:44:28.34 (-67.741206)
Discovery date: 2025-01-21 01:58:33.000 (JD=2460696.5823264)



Photometry

Discovery (first detection):
Discovery date: 2025-01-21 01:58:33.000
Flux: 20.54 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4

Last non-detection:
Last non-detection date: 2021-04-27 18:19:13
Limiting flux: 21.57 ABMag
Filter: BG-q-BlackGem
Instrument: MeerLICHT-Cam
Telescope: MeerLICHT-1


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