TNS Astronomical Transient Report No. 269792 [ 2025TNSTR3663....1M ]
Date Received (UTC): 2025-09-12 14:54:20
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, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, 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 2025xha
Discoverer internal name: ZTF25abqecgf
Coordinates (J2000): RA = 00:48:38.111 (12.158797483428) DEC = -18:48:38.79 (-18.810773675128)
Discovery date: 2025-09-08 11:07:57.003 (JD=2460926.9638542)
Potential host galaxy: WISEA J004838.35-184835.5
Remarks: Early SN candidate (r-rise > 0.11+-0.05 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/ZTF25abqecgf
Photometry
Discovery (first detection):
Discovery date: 2025-09-08 11:07:57.003
Flux: 19.6097 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-09-08 08:53:37
Limiting flux: 18.7831 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/2025xha
Date Received (UTC): 2025-09-12 14:54:20
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, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, 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 2025xha
Discoverer internal name: ZTF25abqecgf
Coordinates (J2000): RA = 00:48:38.111 (12.158797483428) DEC = -18:48:38.79 (-18.810773675128)
Discovery date: 2025-09-08 11:07:57.003 (JD=2460926.9638542)
Potential host galaxy: WISEA J004838.35-184835.5
Remarks: Early SN candidate (r-rise > 0.11+-0.05 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/ZTF25abqecgf
Photometry
Discovery (first detection):
Discovery date: 2025-09-08 11:07:57.003
Flux: 19.6097 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-09-08 08:53:37
Limiting flux: 18.7831 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/2025xha