TNS Astronomical Transient Report No. 262392 [ 2025TNSTR2674....1S ]
Date Received (UTC): 2025-07-13 10:31:03
Date made public:
Sender: BlackGEM_Bot1
Reporting Group: BlackGEM Discovery Data Source: BlackGEM
F. Stoppa, H. Tranin, D. Pieterse, G. Ramsay, S. Faris, 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 2025rag
Discoverer internal name: BGEM J154020.83+155816.0
Coordinates (J2000): RA = 15:40:20.837 (235.086821) DEC = +15:58:16.04 (15.971122)
Discovery date: 2025-07-09 00:46:31.000 (JD=2460865.5323032)
Photometry
Discovery (first detection):
Discovery date: 2025-07-09 00:46:31.000
Flux: 19.17 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3
Last non-detection:
Last non-detection date: 2025-07-08 01:15:12
Limiting flux: 19.3 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025rag
Date Received (UTC): 2025-07-13 10:31:03
Date made public:
Sender: BlackGEM_Bot1
Reporting Group: BlackGEM Discovery Data Source: BlackGEM
F. Stoppa, H. Tranin, D. Pieterse, G. Ramsay, S. Faris, 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 2025rag
Discoverer internal name: BGEM J154020.83+155816.0
Coordinates (J2000): RA = 15:40:20.837 (235.086821) DEC = +15:58:16.04 (15.971122)
Discovery date: 2025-07-09 00:46:31.000 (JD=2460865.5323032)
Photometry
Discovery (first detection):
Discovery date: 2025-07-09 00:46:31.000
Flux: 19.17 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3
Last non-detection:
Last non-detection date: 2025-07-08 01:15:12
Limiting flux: 19.3 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025rag