TNS Astronomical Transient Report No. 294998 [ 2026TNSTR1162....1P ]
Date Received (UTC): 2026-03-18 22:48:41
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 2026fyd
Discoverer internal name: LSST-AP-DO-314002971432583218
Coordinates (J2000): RA = 04:04:24.943 (61.103929) DEC = -48:47:55.14 (-48.79865)
Discovery date: 2026-01-18 02:28:12.000 (JD=2461058.6029167)
Potential host galaxy: DES J040425.05-484756.8
Remarks: Rubin SN candidate in EDFS 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/314002971432583218/
Photometry
Discovery (first detection):
Discovery date: 2026-01-18 02:28:12.000
Flux: 24.41 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/2026fyd
Date Received (UTC): 2026-03-18 22:48:41
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 2026fyd
Discoverer internal name: LSST-AP-DO-314002971432583218
Coordinates (J2000): RA = 04:04:24.943 (61.103929) DEC = -48:47:55.14 (-48.79865)
Discovery date: 2026-01-18 02:28:12.000 (JD=2461058.6029167)
Potential host galaxy: DES J040425.05-484756.8
Remarks: Rubin SN candidate in EDFS 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/314002971432583218/
Photometry
Discovery (first detection):
Discovery date: 2026-01-18 02:28:12.000
Flux: 24.41 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/2026fyd