TNS Astronomical Transient Report No. 188575 [ 2023TNSTR2319....1O ]

Date Received (UTC): 2023-09-19 21:58:10
Date made public:
Sender: David O'Neill
Reporting Group: None     Discovery Data Source: GOTO

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

IAU Designation: AT 2023tbf
Discoverer internal name: GOTO23aky
Coordinates (J2000): RA = 20:54:37.140 (313.65475) DEC = -48:40:29.33 (-48.674814)
Discovery date: 2023-09-19 09:15:23.000 (JD=2460206.8856829)



Photometry

Discovery (first detection):
Discovery date: 2023-09-19 09:15:23.000
Flux: 20.336 ABMag
Filter: L-GOTO
Instrument: GOTO-3
Telescope: GOTO-South

Last non-detection:
Last non-detection date: 2023-09-15 15:56:26
Limiting flux: 21.106 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-04
Telescope: ATLAS El Sauce


Details of the new object can be viewed here: https://www.wis-tns.org/object/2023tbf