TNS Astronomical Transient Report No. 300807 [ 2026TNSTR1724....1M ]
Date Received (UTC): 2026-04-20 18:42:01
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, S. Jurado, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.
IAU Designation: SN 2026keo
Discoverer internal name: ZTF26aatloyt
Coordinates (J2000): RA = 14:11:16.391 (212.8182939) DEC = -03:31:14.37 (-3.5206587)
Discovery date: 2026-04-20 07:33:34.998 (JD=2461150.8149884)
Potential host galaxy: ZW VIII 375
Remarks: Early SN candidate (g-rise > 0.53+-0.06 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF26aatloyt
Photometry
Discovery (first detection):
Discovery date: 2026-04-20 07:33:34.998
Flux: 19.2289 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2026-04-18 09:42:53
Limiting flux: 20.2076 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026keo
Date Received (UTC): 2026-04-20 18:42:01
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, S. Jurado, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.
IAU Designation: SN 2026keo
Discoverer internal name: ZTF26aatloyt
Coordinates (J2000): RA = 14:11:16.391 (212.8182939) DEC = -03:31:14.37 (-3.5206587)
Discovery date: 2026-04-20 07:33:34.998 (JD=2461150.8149884)
Potential host galaxy: ZW VIII 375
Remarks: Early SN candidate (g-rise > 0.53+-0.06 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF26aatloyt
Photometry
Discovery (first detection):
Discovery date: 2026-04-20 07:33:34.998
Flux: 19.2289 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2026-04-18 09:42:53
Limiting flux: 20.2076 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026keo