TNS Astronomical Transient Report No. 308619 [ 2026TNSTR2534....1P ]
Date Received (UTC): 2026-06-15 23:10:30
Date made public:
Sender: Ismael Perez-Fournon
Reporting Group: SGLF Discovery Data Source: Rubin
I. Pérez-Fournon (IAC and ULL), M. Quintana-Ansaldo, I. Correa-Plasencia, D. Cano-Morales, A.E. Hernández-Díaz, E. Lekaroz-Urriza (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 2026pin
Discoverer internal name: LSST-AP-DO-170529858247458880
Coordinates (J2000): RA = 09:56:49.213 (149.205054) DEC = +01:10:43.86 (1.17885)
Discovery date: 2026-06-13 00:33:04.000 (JD=2461204.522963)
Potential host galaxy: SDSS J095649.21+011044.4
Host redshift: 0.339748
Remarks: Rubin SN candidate in the COSMOS DDF 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/170529858247458880/
Photometry
Discovery (first detection):
Discovery date: 2026-06-13 00:33:04.000
Flux: 22.12 ABMag
Filter: r-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: Other
Remarks: SN candidate close to a catalogued galaxy
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026pin
Date Received (UTC): 2026-06-15 23:10:30
Date made public:
Sender: Ismael Perez-Fournon
Reporting Group: SGLF Discovery Data Source: Rubin
I. Pérez-Fournon (IAC and ULL), M. Quintana-Ansaldo, I. Correa-Plasencia, D. Cano-Morales, A.E. Hernández-Díaz, E. Lekaroz-Urriza (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 2026pin
Discoverer internal name: LSST-AP-DO-170529858247458880
Coordinates (J2000): RA = 09:56:49.213 (149.205054) DEC = +01:10:43.86 (1.17885)
Discovery date: 2026-06-13 00:33:04.000 (JD=2461204.522963)
Potential host galaxy: SDSS J095649.21+011044.4
Host redshift: 0.339748
Remarks: Rubin SN candidate in the COSMOS DDF 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/170529858247458880/
Photometry
Discovery (first detection):
Discovery date: 2026-06-13 00:33:04.000
Flux: 22.12 ABMag
Filter: r-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: Other
Remarks: SN candidate close to a catalogued galaxy
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026pin