TNS Astronomical Transient Report No. 308266 [ 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 2026paq
Discoverer internal name: LSST-AP-DO-170455188087767415
Coordinates (J2000): RA = 16:49:55.592 (252.48163134199) DEC = -21:36:54.62 (-21.61517276598)
Discovery date: 2026-05-27 09:16:01.165 (JD=2461187.8861246)
Potential host galaxy: WISEA J164955.47-213655.7
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/170455188087767415?survey=lsst
Photometry
Discovery (first detection):
Discovery date: 2026-05-27 09:16:01.165
Flux: 21.9062 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/2026paq
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 2026paq
Discoverer internal name: LSST-AP-DO-170455188087767415
Coordinates (J2000): RA = 16:49:55.592 (252.48163134199) DEC = -21:36:54.62 (-21.61517276598)
Discovery date: 2026-05-27 09:16:01.165 (JD=2461187.8861246)
Potential host galaxy: WISEA J164955.47-213655.7
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/170455188087767415?survey=lsst
Photometry
Discovery (first detection):
Discovery date: 2026-05-27 09:16:01.165
Flux: 21.9062 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/2026paq