TNS Astronomical Transient Report No. 255659 [ 2025TNSTR1862....1M ]
Date Received (UTC): 2025-05-21 15:02:08
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, A. Mourao, F. Forster, F.E. Bauer, G. Pignata, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.
IAU Designation: SN 2025kyf
Discoverer internal name: ZTF25aaraels
Coordinates (J2000): RA = 16:36:15.354 (249.06397535328) DEC = +42:57:26.84 (42.957454574673)
Discovery date: 2025-05-21 09:44:00.004 (JD=2460816.9055556)
Potential host galaxy: 2MASX J16361536+4257270
Host redshift: 0.05792
Remarks: Early SN candidate (g-rise > 0.17+-0.01 mag/day, r-rise > 0.21+-0.02 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/ZTF25aaraels
Photometry
Discovery (first detection):
Discovery date: 2025-05-21 09:44:00.004
Flux: 18.8669 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-05-15 11:17:40
Limiting flux: 19.8552 ABMag
Filter: g-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/2025kyf
Date Received (UTC): 2025-05-21 15:02:08
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, A. Mourao, F. Forster, F.E. Bauer, G. Pignata, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.
IAU Designation: SN 2025kyf
Discoverer internal name: ZTF25aaraels
Coordinates (J2000): RA = 16:36:15.354 (249.06397535328) DEC = +42:57:26.84 (42.957454574673)
Discovery date: 2025-05-21 09:44:00.004 (JD=2460816.9055556)
Potential host galaxy: 2MASX J16361536+4257270
Host redshift: 0.05792
Remarks: Early SN candidate (g-rise > 0.17+-0.01 mag/day, r-rise > 0.21+-0.02 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/ZTF25aaraels
Photometry
Discovery (first detection):
Discovery date: 2025-05-21 09:44:00.004
Flux: 18.8669 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-05-15 11:17:40
Limiting flux: 19.8552 ABMag
Filter: g-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/2025kyf