TNS Astronomical Transient Report No. 302422 [ 2026TNSTR1943....1P ]
Date Received (UTC): 2026-05-05 22:37:19
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 2026lln
Discoverer internal name: LSST-AP-DO-170028527130247325
Coordinates (J2000): RA = 12:21:27.344 (185.363933) DEC = +07:15:12.57 (7.253492)
Discovery date: 2026-02-19 05:59:47.000 (JD=2461090.7498495)
Potential host galaxy: SDSS J122127.16+071511.8
Host redshift: 0.134884
Remarks: Rubin SN candidate in the Rubin First Look Virgo field 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/170028527130247325/
Photometry
Discovery (first detection):
Discovery date: 2026-02-19 05:59:47.000
Flux: 22.34 ABMag
Filter: i-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/2026lln
Date Received (UTC): 2026-05-05 22:37:19
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 2026lln
Discoverer internal name: LSST-AP-DO-170028527130247325
Coordinates (J2000): RA = 12:21:27.344 (185.363933) DEC = +07:15:12.57 (7.253492)
Discovery date: 2026-02-19 05:59:47.000 (JD=2461090.7498495)
Potential host galaxy: SDSS J122127.16+071511.8
Host redshift: 0.134884
Remarks: Rubin SN candidate in the Rubin First Look Virgo field 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/170028527130247325/
Photometry
Discovery (first detection):
Discovery date: 2026-02-19 05:59:47.000
Flux: 22.34 ABMag
Filter: i-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/2026lln