TNS Astronomical Transient Report No. 274566 [ 2025TNSTR4269....1K ]

Date Received (UTC): 2025-10-24 05:29:06
Date made public:
Sender: GEOTS_Bot
Reporting Group: GEOTS     Discovery Data Source: GEOTS

Balaji Kumar report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025abko
Discoverer internal name: GEOTS-Balaji-2025-012
Coordinates (J2000): RA = 02:48:47.960 (42.199833) DEC = +50:12:37.70 (50.210472)
Discovery date: 2025-10-22 04:10:36.192 (JD=2460970.67403)


Remarks: Discovered in Per using 14" f/2.0 Astrograph at Golden Ears Observatory (MPC code U55). Outburst of a known UGSU MASTER OT J024847.86+501239.7

Photometry

Discovery (first detection):
Discovery date: 2025-10-22 04:10:36.192
Flux: 16.7 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Instrument: 14" f/2.0 Astrograph

Last non-detection:
Last non-detection date: 2025-10-16 03:25:14
Limiting flux: 18 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 3 frames taken with a 0.36-m f/2 astrograph + CCD; zero points calibrated to UCAC-4 magnitudes.

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