TNS Astronomical Transient Report No. 308625 [ 2026TNSTR2550....1P ]
Date Received (UTC): 2026-06-16 00:32:49
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 2026pis
Discoverer internal name: LSST-AP-DO-170019696440508483
Coordinates (J2000): RA = 04:11:40.109 (62.917121) DEC = -48:25:26.80 (-48.424111)
Discovery date: 2026-02-17 02:21:48.000 (JD=2461088.5984722)
Potential host galaxy: DES J041140.13-482526.7
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/170019696440508483/
Photometry
Discovery (first detection):
Discovery date: 2026-02-17 02:21:48.000
Flux: 23.73 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/2026pis
Date Received (UTC): 2026-06-16 00:32:49
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 2026pis
Discoverer internal name: LSST-AP-DO-170019696440508483
Coordinates (J2000): RA = 04:11:40.109 (62.917121) DEC = -48:25:26.80 (-48.424111)
Discovery date: 2026-02-17 02:21:48.000 (JD=2461088.5984722)
Potential host galaxy: DES J041140.13-482526.7
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/170019696440508483/
Photometry
Discovery (first detection):
Discovery date: 2026-02-17 02:21:48.000
Flux: 23.73 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/2026pis