TNS Astronomical Transient Report No. 307407 [ 2026TNSTR2384....1F ]
Date Received (UTC): 2026-06-08 00:35:09
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 2026omw
Discoverer internal name: LSST-AP-DO-170446321196466506
Coordinates (J2000): RA = 16:31:18.980 (247.82908467591) DEC = -27:40:30.03 (-27.675007044709)
Discovery date: 2026-05-25 01:54:27.694 (JD=2461185.5794872)
Potential host galaxy: WISEA J163119.06-274032.4
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/170446321196466506?survey=lsst
Photometry
Discovery (first detection):
Discovery date: 2026-05-25 01:54:27.694
Flux: 21.5877 ABMag
Filter: i-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/2026omw
Date Received (UTC): 2026-06-08 00:35:09
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 2026omw
Discoverer internal name: LSST-AP-DO-170446321196466506
Coordinates (J2000): RA = 16:31:18.980 (247.82908467591) DEC = -27:40:30.03 (-27.675007044709)
Discovery date: 2026-05-25 01:54:27.694 (JD=2461185.5794872)
Potential host galaxy: WISEA J163119.06-274032.4
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/170446321196466506?survey=lsst
Photometry
Discovery (first detection):
Discovery date: 2026-05-25 01:54:27.694
Flux: 21.5877 ABMag
Filter: i-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/2026omw