TNS Astronomical Transient Report No. 254596 [ 2025TNSTR1705....1M ]
Date Received (UTC): 2025-05-08 17:49:50
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 2025kem
Discoverer internal name: ZTF25aapsisw
Coordinates (J2000): RA = 00:03:08.468 (0.78528339999897) DEC = +15:48:42.18 (15.811717533333)
Discovery date: 2025-05-08 11:40:56.997 (JD=2460803.9867708)
Potential host galaxy: [VV2010c] J000308.4+154842
Host redshift: 0.1175
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/ZTF25aapsisw
Photometry
Discovery (first detection):
Discovery date: 2025-05-08 11:40:56.997
Flux: 18.1412 ABMag
Filter: r-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/2025kem
Date Received (UTC): 2025-05-08 17:49:50
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 2025kem
Discoverer internal name: ZTF25aapsisw
Coordinates (J2000): RA = 00:03:08.468 (0.78528339999897) DEC = +15:48:42.18 (15.811717533333)
Discovery date: 2025-05-08 11:40:56.997 (JD=2460803.9867708)
Potential host galaxy: [VV2010c] J000308.4+154842
Host redshift: 0.1175
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/ZTF25aapsisw
Photometry
Discovery (first detection):
Discovery date: 2025-05-08 11:40:56.997
Flux: 18.1412 ABMag
Filter: r-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/2025kem