TNS Astronomical Transient Report No. 278190 [ 2025TNSTR4704....1F ]
Date Received (UTC): 2025-11-25 11:08:02
Date made public:
Sender: BlackGEM_Bot1
Reporting Group: BlackGEM Discovery Data Source: BlackGEM
S. Faris, H. Tranin, F. Stoppa, D. Pieterse, G. Ramsay, P. Groot, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025aetn
Discoverer internal name: BGEM J023141.43-543848.6
Coordinates (J2000): RA = 02:31:41.427 (37.922612) DEC = -54:38:48.63 (-54.646842)
Discovery date: 2025-11-25 02:40:50.000 (JD=2461004.6116898)
Photometry
Discovery (first detection):
Discovery date: 2025-11-25 02:40:50.000
Flux: 18.07 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3
Last non-detection:
Last non-detection date: 2025-11-19 03:57:06
Limiting flux: 20.79 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/2025aetn
Date Received (UTC): 2025-11-25 11:08:02
Date made public:
Sender: BlackGEM_Bot1
Reporting Group: BlackGEM Discovery Data Source: BlackGEM
S. Faris, H. Tranin, F. Stoppa, D. Pieterse, G. Ramsay, P. Groot, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025aetn
Discoverer internal name: BGEM J023141.43-543848.6
Coordinates (J2000): RA = 02:31:41.427 (37.922612) DEC = -54:38:48.63 (-54.646842)
Discovery date: 2025-11-25 02:40:50.000 (JD=2461004.6116898)
Photometry
Discovery (first detection):
Discovery date: 2025-11-25 02:40:50.000
Flux: 18.07 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3
Last non-detection:
Last non-detection date: 2025-11-19 03:57:06
Limiting flux: 20.79 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/2025aetn

