TNS Astronomical Transient Report No. 241958 [ 2025TNSTR.283....1G ]

Date Received (UTC): 2025-01-21 07:30:02
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 2025yh
Discoverer internal name: BGEM J055008.28-585945.0
Coordinates (J2000): RA = 05:50:08.288 (87.534533) DEC = -58:59:45.07 (-58.995853)
Discovery date: 2025-01-21 03:19:03.000 (JD=2460696.6382292)



Photometry

Discovery (first detection):
Discovery date: 2025-01-21 03:19:03.000
Flux: 20.81 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4

Last non-detection:
Last non-detection date: 2024-02-17 02:01:14
Limiting flux: 21.04 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/2025yh