TNS Astronomical Transient Report No. 240767 [ 2025TNSTR.107....1O ]

Date Received (UTC): 2025-01-08 09:44:28
Date made public:
Sender: GOTO_bot
Reporting Group: GOTO     Discovery Data Source: GOTO

D. O'Neill, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025gb
Discoverer internal name: GOTO25df
Coordinates (J2000): RA = 08:56:07.231 (134.030128) DEC = +42:02:13.33 (42.037037)
Discovery date: 2025-01-07 05:56:55.104 (JD=2460682.747858)



Photometry

Discovery (first detection):
Discovery date: 2025-01-07 05:56:55.104
Flux: 19.54 ABMag
Filter: L-GOTO
Instrument: GOTO-1
Telescope: GOTO-North

Last non-detection:
Last non-detection date: 2024-12-31 05:06:17
Limiting flux: 18.9 ABMag
Filter: L-GOTO
Instrument: GOTO-2
Telescope: GOTO-North


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