TNS Astronomical Transient Report No. 308267 [ 2026TNSTR2466....1F ]
Date Received (UTC): 2026-06-12 21:28:38
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: Rubin
F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, S. Jurado, 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 2026par
Discoverer internal name: LSST-AP-DO-170507928859050426
Coordinates (J2000): RA = 15:57:51.437 (239.46431937071) DEC = -16:13:53.25 (-16.231457485806)
Discovery date: 2026-06-08 04:38:48.981 (JD=2461199.6936225)
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/170507928859050426?survey=lsst
Photometry
Discovery (first detection):
Discovery date: 2026-06-08 04:38:48.981
Flux: 23.0487 ABMag
Filter: r-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://www.wis-tns.org/object/2026par
Date Received (UTC): 2026-06-12 21:28:38
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: Rubin
F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, S. Jurado, 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 2026par
Discoverer internal name: LSST-AP-DO-170507928859050426
Coordinates (J2000): RA = 15:57:51.437 (239.46431937071) DEC = -16:13:53.25 (-16.231457485806)
Discovery date: 2026-06-08 04:38:48.981 (JD=2461199.6936225)
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/170507928859050426?survey=lsst
Photometry
Discovery (first detection):
Discovery date: 2026-06-08 04:38:48.981
Flux: 23.0487 ABMag
Filter: r-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://www.wis-tns.org/object/2026par