TNS Astronomical Transient Report No. 294140 [ 2026TNSTR1018....1P ]
Date Received (UTC): 2026-03-11 00:52:22
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 2026fgp
Discoverer internal name: LSST-AP-DO-170028534417326167
Coordinates (J2000): RA = 12:24:51.122 (186.213008) DEC = +09:06:33.48 (9.1093)
Discovery date: 2026-02-19 06:18:27.000 (JD=2461090.7628125)
Potential host galaxy: SDSS J122451.16+090633.9
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/170028534417326167/
Photometry
Discovery (first detection):
Discovery date: 2026-02-19 06:18:27.000
Flux: 23.28 ABMag
Filter: g-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: SDSS
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026fgp
Date Received (UTC): 2026-03-11 00:52:22
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 2026fgp
Discoverer internal name: LSST-AP-DO-170028534417326167
Coordinates (J2000): RA = 12:24:51.122 (186.213008) DEC = +09:06:33.48 (9.1093)
Discovery date: 2026-02-19 06:18:27.000 (JD=2461090.7628125)
Potential host galaxy: SDSS J122451.16+090633.9
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/170028534417326167/
Photometry
Discovery (first detection):
Discovery date: 2026-02-19 06:18:27.000
Flux: 23.28 ABMag
Filter: g-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: SDSS
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026fgp