TNS Astronomical Transient Report No. 244968 [ 2025TNSTR.656....1O ]
Date Received (UTC): 2025-02-18 17:56:23
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 2025byn
Discoverer internal name: GOTO25aky
Coordinates (J2000): RA = 11:59:26.393 (179.859971) DEC = -29:16:48.79 (-29.280219)
Discovery date: 2025-02-18 17:40:36.192 (JD=2460725.23653)
Photometry
Discovery (first detection):
Discovery date: 2025-02-18 17:40:36.192
Flux: 19.15 ABMag
Filter: L-GOTO
Instrument: GOTO-4
Telescope: GOTO-South
Last non-detection:
Last non-detection date: 2025-02-14 02:17:39
Limiting flux: 17.7 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/2025byn
Date Received (UTC): 2025-02-18 17:56:23
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 2025byn
Discoverer internal name: GOTO25aky
Coordinates (J2000): RA = 11:59:26.393 (179.859971) DEC = -29:16:48.79 (-29.280219)
Discovery date: 2025-02-18 17:40:36.192 (JD=2460725.23653)
Photometry
Discovery (first detection):
Discovery date: 2025-02-18 17:40:36.192
Flux: 19.15 ABMag
Filter: L-GOTO
Instrument: GOTO-4
Telescope: GOTO-South
Last non-detection:
Last non-detection date: 2025-02-14 02:17:39
Limiting flux: 17.7 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/2025byn

