TNS Astronomical Transient Report No. 313035 [ 2026TNSTR2825....1S ]
Date Received (UTC): 2026-07-07 08:07:18
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: AT 2026seg
Discoverer internal name: LSST-AP-DO-170591522383200579
Coordinates (J2000): RA = 21:03:20.606 (315.83585943082) DEC = -21:21:55.47 (-21.365407802069)
Discovery date: 2026-07-07 07:45:33.120 (JD=2461228.8233)
Photometry
Discovery (first detection):
Discovery date: 2026-07-07 07:45:33.120
Flux: 21.5062 ABMag
Filter: i-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://www.wis-tns.org/object/2026seg
Date Received (UTC): 2026-07-07 08:07:18
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: AT 2026seg
Discoverer internal name: LSST-AP-DO-170591522383200579
Coordinates (J2000): RA = 21:03:20.606 (315.83585943082) DEC = -21:21:55.47 (-21.365407802069)
Discovery date: 2026-07-07 07:45:33.120 (JD=2461228.8233)
Photometry
Discovery (first detection):
Discovery date: 2026-07-07 07:45:33.120
Flux: 21.5062 ABMag
Filter: i-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://www.wis-tns.org/object/2026seg

