TNS Astronomical Transient Report No. 307248
Date Received (UTC): 2026-06-07 00:34:41
Date made public:
Sender: ATLAS_Bot1
Reporting Group: ATLAS Discovery Data Source: ATLAS
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026okc
Discoverer internal name: ATLAS26gtp
Coordinates (J2000): RA = 14:23:47.456 (215.947734) DEC = +75:46:01.44 (75.767066)
Discovery date: 2026-06-06 08:19:00.192 (JD=2461197.84653)
Photometry
Discovery (first detection):
Discovery date: 2026-06-06 08:19:00.192
Flux: 19.202 ABMag
Filter: cyan-ATLAS
Instrument: ATLAS-01
Telescope: ATLAS Mauna Loa
Last non-detection:
Last non-detection date: 2026-06-05 11:27:40
Limiting flux: 18.92 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-02
Telescope: ATLAS Haleakala
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2026okc
Date Received (UTC): 2026-06-07 00:34:41
Date made public:
Sender: ATLAS_Bot1
Reporting Group: ATLAS Discovery Data Source: ATLAS
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026okc
Discoverer internal name: ATLAS26gtp
Coordinates (J2000): RA = 14:23:47.456 (215.947734) DEC = +75:46:01.44 (75.767066)
Discovery date: 2026-06-06 08:19:00.192 (JD=2461197.84653)
Photometry
Discovery (first detection):
Discovery date: 2026-06-06 08:19:00.192
Flux: 19.202 ABMag
Filter: cyan-ATLAS
Instrument: ATLAS-01
Telescope: ATLAS Mauna Loa
Last non-detection:
Last non-detection date: 2026-06-05 11:27:40
Limiting flux: 18.92 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-02
Telescope: ATLAS Haleakala
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2026okc