TNS Astronomical Transient Report No. 307875 [ 2026TNSTR2412....1P ]
Date Received (UTC): 2026-06-09 17:37:51
Date made public:
Sender: Ismael Perez-Fournon
Reporting Group: SGLF Discovery Data Source: Rubin
I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, E. Lekaroz-Urriza, M. Quintana-Ansaldo (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026otj
Discoverer internal name: LSST-AP-DO-170433140983071891
Coordinates (J2000): RA = 16:32:34.784 (248.144933) DEC = -13:42:09.08 (-13.702522)
Discovery date: 2026-05-22 05:35:01.000 (JD=2461182.7326505)
Potential host galaxy: PS1 91552481466396975
Remarks: Rubin SN candidate discovered using the public LSST alerts, the LSST brokers, and our SGLF filters. LSST light curve available at the LSST brokers, e.g.: https://lasair.lsst.ac.uk/objects/170433140983071891/
Photometry
Discovery (first detection):
Discovery date: 2026-05-22 05:35:01.000
Flux: 22.76 ABMag
Filter: i-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: Other
Remarks: No catalogued source at this position.
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026otj
Date Received (UTC): 2026-06-09 17:37:51
Date made public:
Sender: Ismael Perez-Fournon
Reporting Group: SGLF Discovery Data Source: Rubin
I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, E. Lekaroz-Urriza, M. Quintana-Ansaldo (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026otj
Discoverer internal name: LSST-AP-DO-170433140983071891
Coordinates (J2000): RA = 16:32:34.784 (248.144933) DEC = -13:42:09.08 (-13.702522)
Discovery date: 2026-05-22 05:35:01.000 (JD=2461182.7326505)
Potential host galaxy: PS1 91552481466396975
Remarks: Rubin SN candidate discovered using the public LSST alerts, the LSST brokers, and our SGLF filters. LSST light curve available at the LSST brokers, e.g.: https://lasair.lsst.ac.uk/objects/170433140983071891/
Photometry
Discovery (first detection):
Discovery date: 2026-05-22 05:35:01.000
Flux: 22.76 ABMag
Filter: i-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: Other
Remarks: No catalogued source at this position.
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026otj