TNS Astronomical Transient Report No. 254639 [ 2025TNSTR1723....1M ]
Date Received (UTC): 2025-05-09 16:49:25
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, A. Mourao, 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 2025kfn
Discoverer internal name: ZTF25aapvkmi
Coordinates (J2000): RA = 20:59:40.834 (314.9201417) DEC = +23:08:05.47 (23.1348518)
Discovery date: 2025-05-09 11:53:29.999 (JD=2460804.9954861)
Potential host galaxy: SDSS J205940.88+230805.3
Remarks: Early SN candidate (r-rise > 0.21+-0.03 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/ZTF25aapvkmi
Photometry
Discovery (first detection):
Discovery date: 2025-05-09 11:53:29.999
Flux: 19.3278 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-05-03 11:55:49
Limiting flux: 19.3962 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/2025kfn
Date Received (UTC): 2025-05-09 16:49:25
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, A. Mourao, 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 2025kfn
Discoverer internal name: ZTF25aapvkmi
Coordinates (J2000): RA = 20:59:40.834 (314.9201417) DEC = +23:08:05.47 (23.1348518)
Discovery date: 2025-05-09 11:53:29.999 (JD=2460804.9954861)
Potential host galaxy: SDSS J205940.88+230805.3
Remarks: Early SN candidate (r-rise > 0.21+-0.03 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/ZTF25aapvkmi
Photometry
Discovery (first detection):
Discovery date: 2025-05-09 11:53:29.999
Flux: 19.3278 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-05-03 11:55:49
Limiting flux: 19.3962 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/2025kfn