TNS Astronomical Transient Report No. 308271 [ 2026TNSTR2466....1F ]

Date Received (UTC): 2026-06-12 21:28:38
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE     Discovery Data Source: Rubin

F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, S. Jurado, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2026pav
Discoverer internal name: LSST-AP-DO-170507928895750559
Coordinates (J2000): RA = 16:00:23.973 (240.09988728843) DEC = -15:05:07.48 (-15.085410967962)
Discovery date: 2026-06-08 04:38:48.981 (JD=2461199.6936225)

Potential host galaxy: WISEA J160023.83-150508.7

Remarks: SN candidate classified using ALeRCE's stamp classifier and the public Rubin/LSST stream. Discovery image and light curve in https://lsst.alerce.online/object/170507928895750559?survey=lsst

Photometry

Discovery (first detection):
Discovery date: 2026-06-08 04:38:48.981
Flux: 21.5093 ABMag
Filter: r-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope

Remarks: Data provided by Rubin/LSST

Last non-detection:
Archival info: Other
Remarks: LSST non-detection limits not available

Details of the new object can be viewed here: https://www.wis-tns.org/object/2026pav