TNS Astronomical Transient Report No. 270920 [ 2025TNSTR3789....1J ]
Date Received (UTC): 2025-09-21 23:22:21
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
S. Jurado, F.E. Bauer, F. Forster, G. Pignata, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, E. Pizarro, 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 2025yfx
Discoverer internal name: ZTF25absfiyt
Coordinates (J2000): RA = 01:43:39.671 (25.9152959) DEC = -08:27:10.93 (-8.4530369)
Discovery date: 2025-09-21 08:33:17.997 (JD=2460939.8564583)
Potential host galaxy: SDSS J014340.13-082710.1
Host redshift: 0.09674081
Remarks: Early SN candidate (g-rise > 0.17+-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/ZTF25absfiyt
Photometry
Discovery (first detection):
Discovery date: 2025-09-21 08:33:17.997
Flux: 19.6932 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-09-17 09:01:41
Limiting flux: 20.3682 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/2025yfx
Date Received (UTC): 2025-09-21 23:22:21
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
S. Jurado, F.E. Bauer, F. Forster, G. Pignata, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, E. Pizarro, 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 2025yfx
Discoverer internal name: ZTF25absfiyt
Coordinates (J2000): RA = 01:43:39.671 (25.9152959) DEC = -08:27:10.93 (-8.4530369)
Discovery date: 2025-09-21 08:33:17.997 (JD=2460939.8564583)
Potential host galaxy: SDSS J014340.13-082710.1
Host redshift: 0.09674081
Remarks: Early SN candidate (g-rise > 0.17+-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/ZTF25absfiyt
Photometry
Discovery (first detection):
Discovery date: 2025-09-21 08:33:17.997
Flux: 19.6932 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-09-17 09:01:41
Limiting flux: 20.3682 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/2025yfx