TNS Astronomical Transient Report No. 292839 [ 2026TNSTR.783....1M ]
Date Received (UTC): 2026-02-24 23:16:32
Date made public:
Sender: YSE_DECam
Reporting Group: YSE Discovery Data Source: YSE
C. T. Murphey, A. Arunachalam, G. Nair, G. Narayan (UIUC), R. J. Foley (UCSC), A. Rest (JHU, STScI), D. O. Jones (UH, IfA), K. de Soto (Harvard, CfA), C. Ni (KITP), H. Perkins, J. Henricks (UIUC), K. Patra (UCSC), C. Ransome, Y. Dong (Harvard, CfA), Y. Chen (U Toronto), K. Auchettl (U. Melbourne, UCSC), K. Taggart (UCSC), C. Kilpatrick (Northwestern), A. Zenteno, W. Liu, K. Vivas (NOIRLab), S. Sharief (U. Montreal), A. Wasserman, M. Verrico, A. Agarwal (UIUC), Q. Wang (STScI, MIT), R. Angulo (STScI, JHU), H. Abunemeh, N. Earl, K. D. French, A. Mitra, J. O'Brien, M. Shepherd (UIUC), M. Grayling, E. Hayes, K. S. Mandel (Cambridge), D. Farías, C. Gall, A. Hajela, J. Hjorth, L. Izzo, D. Langeroodi, A. Sedgewick, R. Wojtak (DARK, NBI), S. Raimunda (DARK, NBI, U. Southampton), A. Gagliano, S. Gomez, S. Rankin, V. A. Villar, A. Tartaglia, A. Nugent, S. K. Yadavalli (Harvard, CfA), S. Smartt, K. Smith (QUB, Oxford), D. Coulter, J. Pierel, M. Seibert (STScI), P. Arunachalam, K. W. Davis, R. Kaur, P. Macias, C. Rojas-Bravo, E. Ramirez-Ruiz (UCSC), K. C. Chambers, M. E. Huber, E. G. Magnier, R. J. Wainscoat (UH, IfA), M. Drout (U. Toronto), V. Baldasarre, A. Messick (WSU), C. Angus (QUB), S. Thorpe (Stockholm U.), Y.-C. Pan (NCU) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026eio
Coordinates (J2000): RA = 09:57:21.062 (149.337758) DEC = +00:57:37.58 (0.960439)
Discovery date: 2026-02-07 07:08:07.584 (JD=2461078.79731)
Photometry
Discovery (first detection):
Discovery date: 2026-02-07 07:08:07.584
Flux: 21.645 ABMag
Filter: r-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope
Last non-detection:
Last non-detection date: 2026-01-28 07:13:38
Limiting flux: 23.9543 ABMag
Filter: r-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope
Archival info: Other
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2026eio
Date Received (UTC): 2026-02-24 23:16:32
Date made public:
Sender: YSE_DECam
Reporting Group: YSE Discovery Data Source: YSE
C. T. Murphey, A. Arunachalam, G. Nair, G. Narayan (UIUC), R. J. Foley (UCSC), A. Rest (JHU, STScI), D. O. Jones (UH, IfA), K. de Soto (Harvard, CfA), C. Ni (KITP), H. Perkins, J. Henricks (UIUC), K. Patra (UCSC), C. Ransome, Y. Dong (Harvard, CfA), Y. Chen (U Toronto), K. Auchettl (U. Melbourne, UCSC), K. Taggart (UCSC), C. Kilpatrick (Northwestern), A. Zenteno, W. Liu, K. Vivas (NOIRLab), S. Sharief (U. Montreal), A. Wasserman, M. Verrico, A. Agarwal (UIUC), Q. Wang (STScI, MIT), R. Angulo (STScI, JHU), H. Abunemeh, N. Earl, K. D. French, A. Mitra, J. O'Brien, M. Shepherd (UIUC), M. Grayling, E. Hayes, K. S. Mandel (Cambridge), D. Farías, C. Gall, A. Hajela, J. Hjorth, L. Izzo, D. Langeroodi, A. Sedgewick, R. Wojtak (DARK, NBI), S. Raimunda (DARK, NBI, U. Southampton), A. Gagliano, S. Gomez, S. Rankin, V. A. Villar, A. Tartaglia, A. Nugent, S. K. Yadavalli (Harvard, CfA), S. Smartt, K. Smith (QUB, Oxford), D. Coulter, J. Pierel, M. Seibert (STScI), P. Arunachalam, K. W. Davis, R. Kaur, P. Macias, C. Rojas-Bravo, E. Ramirez-Ruiz (UCSC), K. C. Chambers, M. E. Huber, E. G. Magnier, R. J. Wainscoat (UH, IfA), M. Drout (U. Toronto), V. Baldasarre, A. Messick (WSU), C. Angus (QUB), S. Thorpe (Stockholm U.), Y.-C. Pan (NCU) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026eio
Coordinates (J2000): RA = 09:57:21.062 (149.337758) DEC = +00:57:37.58 (0.960439)
Discovery date: 2026-02-07 07:08:07.584 (JD=2461078.79731)
Photometry
Discovery (first detection):
Discovery date: 2026-02-07 07:08:07.584
Flux: 21.645 ABMag
Filter: r-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope
Last non-detection:
Last non-detection date: 2026-01-28 07:13:38
Limiting flux: 23.9543 ABMag
Filter: r-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope
Archival info: Other
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2026eio