TNS Astronomical Transient Report No. 275529 [ 2025TNSTR4405....1F ]
Date Received (UTC): 2025-11-02 15:55:48
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
F. Forster, F.E. Bauer, 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: AT 2025acex
Discoverer internal name: ZTF25acchhtx
Coordinates (J2000): RA = 12:12:11.611 (183.04837855195) DEC = +44:50:04.72 (44.834644795851)
Discovery date: 2025-11-01 11:48:55.999 (JD=2460980.9923148)
Potential host galaxy: SDSS J121211.45+444959.2
Host redshift: 0.1118192
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/ZTF25acchhtx
Photometry
Discovery (first detection):
Discovery date: 2025-11-01 11:48:55.999
Flux: 19.5641 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Archival info: Other
Remarks: ZTF non-detection limits not available
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025acex
Date Received (UTC): 2025-11-02 15:55:48
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
F. Forster, F.E. Bauer, 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: AT 2025acex
Discoverer internal name: ZTF25acchhtx
Coordinates (J2000): RA = 12:12:11.611 (183.04837855195) DEC = +44:50:04.72 (44.834644795851)
Discovery date: 2025-11-01 11:48:55.999 (JD=2460980.9923148)
Potential host galaxy: SDSS J121211.45+444959.2
Host redshift: 0.1118192
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/ZTF25acchhtx
Photometry
Discovery (first detection):
Discovery date: 2025-11-01 11:48:55.999
Flux: 19.5641 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Archival info: Other
Remarks: ZTF non-detection limits not available
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025acex