TNS Astronomical Transient Report No. 240859 [ 2025TNSTR.118....1G ]

Date Received (UTC): 2025-01-09 12:36:02
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 2025hn
Discoverer internal name: BGEM J072023.87-303023.9
Coordinates (J2000): RA = 07:20:23.875 (110.099479) DEC = -30:30:23.93 (-30.506647)
Discovery date: 2025-01-09 00:50:47.000 (JD=2460684.5352662)



Photometry

Discovery (first detection):
Discovery date: 2025-01-09 00:50:47.000
Flux: 19.34 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam4
Telescope: BlackGEM- 4

Last non-detection:
Last non-detection date: 2024-03-07 03:17:55
Limiting flux: 21.11 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/2025hn