TNS Astronomical Transient Report No. 245795 [ 2025TNSTR.747....1J ]
Date Received (UTC): 2025-02-24 17:52:54
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: AT 2025coy
Discoverer internal name: ZTF25aagtbnw
Coordinates (J2000): RA = 09:35:45.706 (143.94044285001) DEC = +35:36:16.70 (35.60463905)
Discovery date: 2025-02-22 06:57:19.999 (JD=2460728.7898148)
Potential host galaxy: WISEA J093545.80+353617.5
Remarks: Early SN candidate (g-rise > 1.08+-0.16 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/ZTF25aagtbnw
Photometry
Discovery (first detection):
Discovery date: 2025-02-22 06:57:19.999
Flux: 19.2533 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-02-22 05:23:42
Limiting flux: 20.1796 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/2025coy
Date Received (UTC): 2025-02-24 17:52:54
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: AT 2025coy
Discoverer internal name: ZTF25aagtbnw
Coordinates (J2000): RA = 09:35:45.706 (143.94044285001) DEC = +35:36:16.70 (35.60463905)
Discovery date: 2025-02-22 06:57:19.999 (JD=2460728.7898148)
Potential host galaxy: WISEA J093545.80+353617.5
Remarks: Early SN candidate (g-rise > 1.08+-0.16 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/ZTF25aagtbnw
Photometry
Discovery (first detection):
Discovery date: 2025-02-22 06:57:19.999
Flux: 19.2533 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-02-22 05:23:42
Limiting flux: 20.1796 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/2025coy