TNS Astronomical Transient Report No. 245354 [ 2025TNSTR.699....1J ]
Date Received (UTC): 2025-02-21 19:40:18
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 2025cha
Discoverer internal name: ZTF19abvqtkz
Coordinates (J2000): RA = 14:01:07.132 (210.2797185) DEC = +21:14:34.66 (21.2429607)
Discovery date: 2025-02-21 10:38:47.999 (JD=2460727.9436111)
Potential host galaxy: WISEA J140108.99+211419.3
Remarks: Early SN candidate (g-rise > 0.86+-0.04 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/ZTF19abvqtkz
Photometry
Discovery (first detection):
Discovery date: 2025-02-21 10:38:47.999
Flux: 18.1155 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-02-19 11:22:18
Limiting flux: 20.0363 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/2025cha
Date Received (UTC): 2025-02-21 19:40:18
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 2025cha
Discoverer internal name: ZTF19abvqtkz
Coordinates (J2000): RA = 14:01:07.132 (210.2797185) DEC = +21:14:34.66 (21.2429607)
Discovery date: 2025-02-21 10:38:47.999 (JD=2460727.9436111)
Potential host galaxy: WISEA J140108.99+211419.3
Remarks: Early SN candidate (g-rise > 0.86+-0.04 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/ZTF19abvqtkz
Photometry
Discovery (first detection):
Discovery date: 2025-02-21 10:38:47.999
Flux: 18.1155 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-02-19 11:22:18
Limiting flux: 20.0363 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/2025cha