TNS Astronomical Transient Report No. 264642 [ 2025TNSTR3035....1M ]
Date Received (UTC): 2025-08-02 04:11:17
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 2025sxs
Discoverer internal name: ZTF25abggyhv
Coordinates (J2000): RA = 18:30:08.814 (277.5367252) DEC = +14:51:27.85 (14.8577361)
Discovery date: 2025-08-01 06:08:43.999 (JD=2460888.7560648)
Potential host galaxy: 2MASX J18300833+1451327
Remarks: Early SN candidate (g-rise > 0.21+-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/ZTF25abggyhv
Photometry
Discovery (first detection):
Discovery date: 2025-08-01 06:08:43.999
Flux: 20.0894 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-07-30 06:17:42
Limiting flux: 20.5339 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/2025sxs
Date Received (UTC): 2025-08-02 04:11:17
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 2025sxs
Discoverer internal name: ZTF25abggyhv
Coordinates (J2000): RA = 18:30:08.814 (277.5367252) DEC = +14:51:27.85 (14.8577361)
Discovery date: 2025-08-01 06:08:43.999 (JD=2460888.7560648)
Potential host galaxy: 2MASX J18300833+1451327
Remarks: Early SN candidate (g-rise > 0.21+-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/ZTF25abggyhv
Photometry
Discovery (first detection):
Discovery date: 2025-08-01 06:08:43.999
Flux: 20.0894 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-07-30 06:17:42
Limiting flux: 20.5339 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/2025sxs