TNS Astronomical Transient Report No. 263542 [ 2025TNSTR2864....1G ]

Date Received (UTC): 2025-07-24 07:56:02
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 2025rza
Discoverer internal name: BGEM J132508.95-430244.3
Coordinates (J2000): RA = 13:25:08.954 (201.287308) DEC = -43:02:44.35 (-43.045653)
Discovery date: 2025-07-22 23:39:15.000 (JD=2460879.4855903)



Photometry

Discovery (first detection):
Discovery date: 2025-07-22 23:39:15.000
Flux: 19.42 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam3
Telescope: BlackGEM- 3

Last non-detection:
Last non-detection date: 2025-07-20 23:49:58
Limiting flux: 20.36 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/2025rza