TNS Astronomical Transient Report No. 265809 [ 2025TNSTR3192....1G ]

Date Received (UTC): 2025-08-14 12:36:03
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 2025twb
Discoverer internal name: BGEM J220304.12-334630.9
Coordinates (J2000): RA = 22:03:04.124 (330.767183) DEC = -33:46:30.98 (-33.775272)
Discovery date: 2025-08-14 02:19:47.000 (JD=2460901.5970718)



Photometry

Discovery (first detection):
Discovery date: 2025-08-14 02:19:47.000
Flux: 19.73 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam2
Telescope: BlackGEM- 2

Last non-detection:
Last non-detection date: 2025-08-13 04:26:24
Limiting flux: 19.63 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/2025twb