TNS Astronomical Transient Report No. 268709 [ 2025TNSTR3470....1F ]
Date Received (UTC): 2025-08-31 02:08:13
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 2025wkq
Discoverer internal name: ZTF25ablzgzu
Coordinates (J2000): RA = 22:03:53.910 (330.97462356789) DEC = +36:44:47.76 (36.746599311781)
Discovery date: 2025-08-26 07:32:51.003 (JD=2460913.8144792)
Potential host galaxy: WISEA J220353.94+364447.4
Remarks: Early SN candidate (g-rise > 0.21+-0.03 mag/day, r-rise > 0.58+-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/ZTF25ablzgzu
Photometry
Discovery (first detection):
Discovery date: 2025-08-26 07:32:51.003
Flux: 19.6594 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-08-26 06:14:14
Limiting flux: 20.5322 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/2025wkq
Date Received (UTC): 2025-08-31 02:08:13
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 2025wkq
Discoverer internal name: ZTF25ablzgzu
Coordinates (J2000): RA = 22:03:53.910 (330.97462356789) DEC = +36:44:47.76 (36.746599311781)
Discovery date: 2025-08-26 07:32:51.003 (JD=2460913.8144792)
Potential host galaxy: WISEA J220353.94+364447.4
Remarks: Early SN candidate (g-rise > 0.21+-0.03 mag/day, r-rise > 0.58+-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/ZTF25ablzgzu
Photometry
Discovery (first detection):
Discovery date: 2025-08-26 07:32:51.003
Flux: 19.6594 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-08-26 06:14:14
Limiting flux: 20.5322 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/2025wkq