TNS Astronomical Transient Report No. 292968 [ 2026TNSTR.802....1D ]
Date Received (UTC): 2026-02-25 16:56:02
Date made public:
Sender: Rupesh Durgesh
Reporting Group: COIN Discovery Data Source: Fink
R. Durgesh (independent), P. Pessi (NCBJ), E. E. O. Ishida (CNRS), J Peloton (CNRS), for the Fink collaboration report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025altt
Coordinates (J2000): RA = 04:16:51.717 (64.215486) DEC = -46:34:29.09 (-46.574747)
Discovery date: 2025-12-10 00:00:00.000 (JD=2461019.5)
Remarks: The candidate was identified by the Fink broker’s hostless detection module (Pessi et al. 2024).
Photometry
Discovery (first detection):
Discovery date: 2025-12-10 00:00:00.000
Flux: 23.09 ABMag
Filter: g-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: Other
Remarks: LSST
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2025altt
Date Received (UTC): 2026-02-25 16:56:02
Date made public:
Sender: Rupesh Durgesh
Reporting Group: COIN Discovery Data Source: Fink
R. Durgesh (independent), P. Pessi (NCBJ), E. E. O. Ishida (CNRS), J Peloton (CNRS), for the Fink collaboration report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025altt
Coordinates (J2000): RA = 04:16:51.717 (64.215486) DEC = -46:34:29.09 (-46.574747)
Discovery date: 2025-12-10 00:00:00.000 (JD=2461019.5)
Remarks: The candidate was identified by the Fink broker’s hostless detection module (Pessi et al. 2024).
Photometry
Discovery (first detection):
Discovery date: 2025-12-10 00:00:00.000
Flux: 23.09 ABMag
Filter: g-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: Other
Remarks: LSST
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2025altt