TNS Astronomical Transient Report No. 242120 [ 2025TNSTR.306....1S ]

Date Received (UTC): 2025-01-23 10:23:02
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 2025aad
Discoverer internal name: BGEM J090908.75-130416.3
Coordinates (J2000): RA = 09:09:08.757 (137.286487) DEC = -13:04:16.34 (-13.071206)
Discovery date: 2025-01-20 05:41:21.000 (JD=2460695.7370486)



Photometry

Discovery (first detection):
Discovery date: 2025-01-20 05:41:21.000
Flux: 19.59 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4

Last non-detection:
Last non-detection date: 2024-04-01 01:42:08
Limiting flux: 21.17 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4


Details of the new object can be viewed here: https://www.wis-tns.org/object/2025aad