TNS Astronomical Transient Report No. 266560 [ 2025TNSTR3275....1J ]
Date Received (UTC): 2025-08-19 01:34:15
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
S. Jurado, G. Pignata, F.E. Bauer, F. Forster, 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 2025ums
Discoverer internal name: ZTF25abjqeok
Coordinates (J2000): RA = 01:42:16.821 (25.5700861) DEC = +07:39:30.53 (7.6584807)
Discovery date: 2025-08-18 09:18:05.003 (JD=2460905.8875579)
Potential host galaxy: SDSS J014216.97+073927.7
Remarks: SN candidate 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/ZTF25abjqeok
Photometry
Discovery (first detection):
Discovery date: 2025-08-18 09:18:05.003
Flux: 20.2622 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-08-16 09:39:42
Limiting flux: 20.2277 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/2025ums
Date Received (UTC): 2025-08-19 01:34:15
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
S. Jurado, G. Pignata, F.E. Bauer, F. Forster, 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 2025ums
Discoverer internal name: ZTF25abjqeok
Coordinates (J2000): RA = 01:42:16.821 (25.5700861) DEC = +07:39:30.53 (7.6584807)
Discovery date: 2025-08-18 09:18:05.003 (JD=2460905.8875579)
Potential host galaxy: SDSS J014216.97+073927.7
Remarks: SN candidate 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/ZTF25abjqeok
Photometry
Discovery (first detection):
Discovery date: 2025-08-18 09:18:05.003
Flux: 20.2622 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-08-16 09:39:42
Limiting flux: 20.2277 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/2025ums