TNS Astronomical Transient Report No. 307254
Date Received (UTC): 2026-06-09 17:25:24
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: Rubin
S. Jurado, F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026okd
Discoverer internal name: LSST-AP-DO-170433140770210230
Coordinates (J2000): RA = 16:08:04.532 (242.01888382133) DEC = -12:46:37.19 (-12.776998607759)
Discovery date: 2026-05-22 05:33:34.481 (JD=2461182.7316491)
Potential host galaxy: WISEA J160804.58-124636.4
Remarks: SN candidate classified using ALeRCE's stamp classifier and the public Rubin/LSST stream. Discovery image and light curve in https://lsst.alerce.online/object/170433140770210230?survey=lsst
Photometry
Discovery (first detection):
Discovery date: 2026-05-22 05:33:34.481
Flux: 23.4583 ABMag
Filter: i-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Remarks: Data provided by Rubin/LSST
Last non-detection:
Archival info: Other
Remarks: LSST non-detection limits not available
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2026okd
Date Received (UTC): 2026-06-09 17:25:24
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: Rubin
S. Jurado, F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026okd
Discoverer internal name: LSST-AP-DO-170433140770210230
Coordinates (J2000): RA = 16:08:04.532 (242.01888382133) DEC = -12:46:37.19 (-12.776998607759)
Discovery date: 2026-05-22 05:33:34.481 (JD=2461182.7316491)
Potential host galaxy: WISEA J160804.58-124636.4
Remarks: SN candidate classified using ALeRCE's stamp classifier and the public Rubin/LSST stream. Discovery image and light curve in https://lsst.alerce.online/object/170433140770210230?survey=lsst
Photometry
Discovery (first detection):
Discovery date: 2026-05-22 05:33:34.481
Flux: 23.4583 ABMag
Filter: i-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Remarks: Data provided by Rubin/LSST
Last non-detection:
Archival info: Other
Remarks: LSST non-detection limits not available
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2026okd