TNS Astronomical Transient Report No. 245942 [ 2025TNSTR.774....1K ]
Date Received (UTC): 2025-02-25 14:19:38
Date made public:
Sender: GOTO_bot
Reporting Group: GOTO Discovery Data Source: GOTO
T. Killestein, L. Kelsey, E. Wickens, 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, A. Kumar, D. O'Neill, on behalf of GOTO collaboration report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025csd
Discoverer internal name: GOTO25aup
Coordinates (J2000): RA = 03:51:54.636 (57.977652) DEC = -40:05:55.54 (-40.098762)
Discovery date: 2025-02-22 11:16:11.712 (JD=2460728.969582)
Remarks: This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Henryk Krawczyk, Jaana Kemppainen , Cledison Marcos da Silva, M.T. Mazzucato, Virgilio Gonano
Photometry
Discovery (first detection):
Discovery date: 2025-02-22 11:16:11.712
Flux: 19.56 ABMag
Filter: L-GOTO
Instrument: GOTO-3
Telescope: GOTO-South
Last non-detection:
Last non-detection date: 2025-02-16 11:29:52
Limiting flux: 19.4 ABMag
Filter: L-GOTO
Instrument: GOTO-3
Telescope: GOTO-South
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025csd
Date Received (UTC): 2025-02-25 14:19:38
Date made public:
Sender: GOTO_bot
Reporting Group: GOTO Discovery Data Source: GOTO
T. Killestein, L. Kelsey, E. Wickens, 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, A. Kumar, D. O'Neill, on behalf of GOTO collaboration report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025csd
Discoverer internal name: GOTO25aup
Coordinates (J2000): RA = 03:51:54.636 (57.977652) DEC = -40:05:55.54 (-40.098762)
Discovery date: 2025-02-22 11:16:11.712 (JD=2460728.969582)
Remarks: This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Henryk Krawczyk, Jaana Kemppainen , Cledison Marcos da Silva, M.T. Mazzucato, Virgilio Gonano
Photometry
Discovery (first detection):
Discovery date: 2025-02-22 11:16:11.712
Flux: 19.56 ABMag
Filter: L-GOTO
Instrument: GOTO-3
Telescope: GOTO-South
Last non-detection:
Last non-detection date: 2025-02-16 11:29:52
Limiting flux: 19.4 ABMag
Filter: L-GOTO
Instrument: GOTO-3
Telescope: GOTO-South
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025csd