TNS Astronomical Transient Report No. 246797 [ 2025TNSTR.886....1M ]
Date Received (UTC): 2025-03-05 17:33:30
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, S. Jurado, 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, 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 2025dkk
Discoverer internal name: ZTF25aaiosso
Coordinates (J2000): RA = 08:56:07.961 (134.0331691) DEC = +30:48:01.95 (30.8005423)
Discovery date: 2025-03-05 06:53:58.004 (JD=2460739.7874769)
Potential host galaxy: SDSS J085608.21+304800.9
Host redshift: 0.09536375
Remarks: Early SN candidate (g-rise > 0.11+-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/ZTF25aaiosso
Photometry
Discovery (first detection):
Discovery date: 2025-03-05 06:53:58.004
Flux: 19.8109 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-03-05 05:11:58
Limiting flux: 20.2079 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/2025dkk
Date Received (UTC): 2025-03-05 17:33:30
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, S. Jurado, 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, 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 2025dkk
Discoverer internal name: ZTF25aaiosso
Coordinates (J2000): RA = 08:56:07.961 (134.0331691) DEC = +30:48:01.95 (30.8005423)
Discovery date: 2025-03-05 06:53:58.004 (JD=2460739.7874769)
Potential host galaxy: SDSS J085608.21+304800.9
Host redshift: 0.09536375
Remarks: Early SN candidate (g-rise > 0.11+-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/ZTF25aaiosso
Photometry
Discovery (first detection):
Discovery date: 2025-03-05 06:53:58.004
Flux: 19.8109 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-03-05 05:11:58
Limiting flux: 20.2079 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/2025dkk