TNS Astronomical Transient Report No. 274230 [ 2025TNSTR4218....1M ]
Date Received (UTC): 2025-10-21 14:59:37
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: SN 2025abdx
Discoverer internal name: ZTF25abyndsj
Coordinates (J2000): RA = 23:44:15.823 (356.06592969956) DEC = +09:03:00.12 (9.0500335722686)
Discovery date: 2025-10-21 06:29:13.004 (JD=2460969.7702894)
Potential host galaxy: 2MASX J23441606+0902565
Host redshift: 0.03965
Remarks: Early SN candidate (g-rise > 0.32+-0.08 mag/day, r-rise > 0.46+-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/ZTF25abyndsj
Photometry
Discovery (first detection):
Discovery date: 2025-10-21 06:29:13.004
Flux: 19.539 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-10-19 06:38:54
Limiting flux: 20.4612 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/2025abdx
Date Received (UTC): 2025-10-21 14:59:37
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: SN 2025abdx
Discoverer internal name: ZTF25abyndsj
Coordinates (J2000): RA = 23:44:15.823 (356.06592969956) DEC = +09:03:00.12 (9.0500335722686)
Discovery date: 2025-10-21 06:29:13.004 (JD=2460969.7702894)
Potential host galaxy: 2MASX J23441606+0902565
Host redshift: 0.03965
Remarks: Early SN candidate (g-rise > 0.32+-0.08 mag/day, r-rise > 0.46+-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/ZTF25abyndsj
Photometry
Discovery (first detection):
Discovery date: 2025-10-21 06:29:13.004
Flux: 19.539 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-10-19 06:38:54
Limiting flux: 20.4612 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/2025abdx