TNS Astronomical Transient Report No. 263289 [ 2025TNSTR2798....1P ]

Date Received (UTC): 2025-07-21 12:10:04
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 2025ruc
Discoverer internal name: BGEM J032135.11-193339.9
Coordinates (J2000): RA = 03:21:35.116 (50.396317) DEC = -19:33:39.98 (-19.561106)
Discovery date: 2025-07-18 10:35:01.000 (JD=2460874.9409838)



Photometry

Discovery (first detection):
Discovery date: 2025-07-18 10:35:01.000
Flux: 19.89 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4

Last non-detection:
Last non-detection date: 2025-07-17 08:29:09
Limiting flux: 20 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/2025ruc