TNS Astronomical Transient Report No. 293926 [ 2026TNSTR.965....1P ]
Date Received (UTC): 2026-03-08 23:31:36
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 2026fcd
Discoverer internal name: LSST-AP-DO-170019696011640884
Coordinates (J2000): RA = 03:32:46.728 (53.1947) DEC = -28:44:32.71 (-28.742419)
Discovery date: 2026-02-17 02:17:31.000 (JD=2461088.5954977)
Potential host galaxy: DES J033246.69-284432.2
Remarks: Rubin SN candidate in the ECDFS 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/170019696011640884/
Photometry
Discovery (first detection):
Discovery date: 2026-02-17 02:17:31.000
Flux: 23.25 ABMag
Filter: r-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/2026fcd
Date Received (UTC): 2026-03-08 23:31:36
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 2026fcd
Discoverer internal name: LSST-AP-DO-170019696011640884
Coordinates (J2000): RA = 03:32:46.728 (53.1947) DEC = -28:44:32.71 (-28.742419)
Discovery date: 2026-02-17 02:17:31.000 (JD=2461088.5954977)
Potential host galaxy: DES J033246.69-284432.2
Remarks: Rubin SN candidate in the ECDFS 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/170019696011640884/
Photometry
Discovery (first detection):
Discovery date: 2026-02-17 02:17:31.000
Flux: 23.25 ABMag
Filter: r-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/2026fcd