TNS Astronomical Transient Report No. 268805 [ 2025TNSTR3470....1F ]
Date Received (UTC): 2025-08-31 19:05:11
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
F. Forster, F.E. Bauer, 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: AT 2025wnc
Discoverer internal name: ZTF25abnngdd
Coordinates (J2000): RA = 20:43:21.177 (310.83823621659) DEC = +08:16:28.87 (8.2746869050224)
Discovery date: 2025-08-31 05:03:04.997 (JD=2460918.7104745)
Potential host galaxy: SDSS J204321.23+081631.5
Remarks: SN candidate 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/ZTF25abnngdd
Photometry
Discovery (first detection):
Discovery date: 2025-08-31 05:03:04.997
Flux: 20.5879 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-08-29 07:38:27
Limiting flux: 20.6465 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/2025wnc
Date Received (UTC): 2025-08-31 19:05:11
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
F. Forster, F.E. Bauer, 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: AT 2025wnc
Discoverer internal name: ZTF25abnngdd
Coordinates (J2000): RA = 20:43:21.177 (310.83823621659) DEC = +08:16:28.87 (8.2746869050224)
Discovery date: 2025-08-31 05:03:04.997 (JD=2460918.7104745)
Potential host galaxy: SDSS J204321.23+081631.5
Remarks: SN candidate 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/ZTF25abnngdd
Photometry
Discovery (first detection):
Discovery date: 2025-08-31 05:03:04.997
Flux: 20.5879 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-08-29 07:38:27
Limiting flux: 20.6465 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/2025wnc