TNS Astronomical Transient Report No. 257210 [ 2025TNSTR2017....1P ]

Date Received (UTC): 2025-05-29 09:54:02
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 2025mkv
Discoverer internal name: BGEM J011014.08-302941.9
Coordinates (J2000): RA = 01:10:14.086 (17.558692) DEC = -30:29:41.95 (-30.494986)
Discovery date: 2025-05-22 10:07:44.000 (JD=2460817.922037)



Photometry

Discovery (first detection):
Discovery date: 2025-05-22 10:07:44.000
Flux: 19.16 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam2
Telescope: BlackGEM- 2

Last non-detection:
Last non-detection date: 2025-05-21 10:19:59
Limiting flux: 19.13 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/2025mkv