TNS Astronomical Transient Report No. 271634 [ 2025TNSTR3903....1G ]
Date Received (UTC): 2025-09-29 08:08:02
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: AT 2025yuk
Discoverer internal name: BGEM J211535.01-230026.5
Coordinates (J2000): RA = 21:15:35.009 (318.895871) DEC = -23:00:26.55 (-23.007375)
Discovery date: 2025-09-29 00:20:52.000 (JD=2460947.5144907)
Photometry
Discovery (first detection):
Discovery date: 2025-09-29 00:20:52.000
Flux: 18.52 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4
Last non-detection:
Last non-detection date: 2025-09-28 00:32:40
Limiting flux: 20.83 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025yuk
Date Received (UTC): 2025-09-29 08:08:02
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: AT 2025yuk
Discoverer internal name: BGEM J211535.01-230026.5
Coordinates (J2000): RA = 21:15:35.009 (318.895871) DEC = -23:00:26.55 (-23.007375)
Discovery date: 2025-09-29 00:20:52.000 (JD=2460947.5144907)
Photometry
Discovery (first detection):
Discovery date: 2025-09-29 00:20:52.000
Flux: 18.52 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4
Last non-detection:
Last non-detection date: 2025-09-28 00:32:40
Limiting flux: 20.83 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025yuk