TNS Astronomical Transient Report No. 260034 [ 2025TNSTR2393....1T ]
Date Received (UTC): 2025-06-25 15:05:55
Date made public:
Sender: ATLAS_Bot1
Reporting Group: ATLAS Discovery Data Source: ATLAS
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), 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 (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU), C. Kukuckova, N. Keenan (Belfast High School), E. Boyd (Glenlola Collegiate) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025oyc
Discoverer internal name: ATLAS25glm
Coordinates (J2000): RA = 19:48:35.347 (297.147277143) DEC = +32:48:16.64 (32.8046228571)
Discovery date: 2025-06-20 08:16:47.136 (JD=2460846.84499)
Photometry
Discovery (first detection):
Discovery date: 2025-06-20 08:16:47.136
Flux: 18.034 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-04
Telescope: ATLAS El Sauce
Last non-detection:
Last non-detection date: 2025-06-19 11:13:48
Limiting flux: 19.13 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-02
Telescope: ATLAS Haleakala
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025oyc
Date Received (UTC): 2025-06-25 15:05:55
Date made public:
Sender: ATLAS_Bot1
Reporting Group: ATLAS Discovery Data Source: ATLAS
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), 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 (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU), C. Kukuckova, N. Keenan (Belfast High School), E. Boyd (Glenlola Collegiate) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025oyc
Discoverer internal name: ATLAS25glm
Coordinates (J2000): RA = 19:48:35.347 (297.147277143) DEC = +32:48:16.64 (32.8046228571)
Discovery date: 2025-06-20 08:16:47.136 (JD=2460846.84499)
Photometry
Discovery (first detection):
Discovery date: 2025-06-20 08:16:47.136
Flux: 18.034 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-04
Telescope: ATLAS El Sauce
Last non-detection:
Last non-detection date: 2025-06-19 11:13:48
Limiting flux: 19.13 ABMag
Filter: orange-ATLAS
Instrument: ATLAS-02
Telescope: ATLAS Haleakala
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025oyc