TNS Astronomical Transient Report No. 263286 [ 2025TNSTR2798....1P ]
Date Received (UTC): 2025-07-21 11:49:03
Date made public:
Sender: BlackGEM_Bot1
Reporting Group: BlackGEM Discovery Data Source: BlackGEM
J. A. Paice, H. Tranin, F. Stoppa, 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 2025rtz
Discoverer internal name: BGEM J221249.31-575603.8
Coordinates (J2000): RA = 22:12:49.311 (333.205463) DEC = -57:56:03.88 (-57.934411)
Discovery date: 2025-07-18 04:03:48.000 (JD=2460874.6693056)
Photometry
Discovery (first detection):
Discovery date: 2025-07-18 04:03:48.000
Flux: 19.87 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3
Last non-detection:
Last non-detection date: 2025-07-17 03:40:18
Limiting flux: 20.61 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/2025rtz
Date Received (UTC): 2025-07-21 11:49:03
Date made public:
Sender: BlackGEM_Bot1
Reporting Group: BlackGEM Discovery Data Source: BlackGEM
J. A. Paice, H. Tranin, F. Stoppa, 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 2025rtz
Discoverer internal name: BGEM J221249.31-575603.8
Coordinates (J2000): RA = 22:12:49.311 (333.205463) DEC = -57:56:03.88 (-57.934411)
Discovery date: 2025-07-18 04:03:48.000 (JD=2460874.6693056)
Photometry
Discovery (first detection):
Discovery date: 2025-07-18 04:03:48.000
Flux: 19.87 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3
Last non-detection:
Last non-detection date: 2025-07-17 03:40:18
Limiting flux: 20.61 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/2025rtz