TNS Astronomical Transient Report No. 261357 [ 2025TNSTR2535....1P ]

Date Received (UTC): 2025-07-03 11:36:03
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 2025qeb
Discoverer internal name: BGEM J001239.59-384355.9
Coordinates (J2000): RA = 00:12:39.596 (3.164983) DEC = -38:43:55.95 (-38.732208)
Discovery date: 2025-07-02 07:09:07.000 (JD=2460858.7979977)



Photometry

Discovery (first detection):
Discovery date: 2025-07-02 07:09:07.000
Flux: 19.56 ABMag
Filter: BG-q-BlackGem
Instrument: BlackGEM-Cam2
Telescope: BlackGEM- 2

Last non-detection:
Last non-detection date: 2025-06-22 10:16:57
Limiting flux: 20.6 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/2025qeb