TNS Astronomical Transient Report No. 300853 [ 2026TNSTR1751....1S ]
Date Received (UTC): 2026-04-21 08:56:58
Date made public:
Sender: LVRA
Reporting Group: Lasair Discovery Data Source: Rubin
H. F. Stevance, K. W. Smith, S. J. Smartt (Oxford/QUB), R. D. Williams, G. P. Francis (Edinburgh), D. R. Young (QUB), A. Lawrence, T. M. Sloan (Edinburgh) report/s the discovery of a new astronomical transient.
IAU Designation: SN 2026kfw
Discoverer internal name: LSST-AP-DO-170257199649521669
Coordinates (J2000): RA = 09:56:52.772 (149.21988501566) DEC = +01:49:59.18 (1.8331041817291)
Discovery date: 2026-04-21 00:50:54.240 (JD=2461151.53535)
Photometry
Discovery (first detection):
Discovery date: 2026-04-21 00:50:54.240
Flux: 22.5328 ABMag
Filter: u-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: DSS
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2026kfw
Date Received (UTC): 2026-04-21 08:56:58
Date made public:
Sender: LVRA
Reporting Group: Lasair Discovery Data Source: Rubin
H. F. Stevance, K. W. Smith, S. J. Smartt (Oxford/QUB), R. D. Williams, G. P. Francis (Edinburgh), D. R. Young (QUB), A. Lawrence, T. M. Sloan (Edinburgh) report/s the discovery of a new astronomical transient.
IAU Designation: SN 2026kfw
Discoverer internal name: LSST-AP-DO-170257199649521669
Coordinates (J2000): RA = 09:56:52.772 (149.21988501566) DEC = +01:49:59.18 (1.8331041817291)
Discovery date: 2026-04-21 00:50:54.240 (JD=2461151.53535)
Photometry
Discovery (first detection):
Discovery date: 2026-04-21 00:50:54.240
Flux: 22.5328 ABMag
Filter: u-LSST
Instrument: LSSTCam
Telescope: Rubin Observatory - Simonyi Survey Telescope
Last non-detection:
Archival info: DSS
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2026kfw