TNS Astronomical Transient Report No. 254873 [ 2025TNSTR1755....1M ]
Date Received (UTC): 2025-05-12 14:58:35
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 2025kjm
Discoverer internal name: ZTF25aaqcfga
Coordinates (J2000): RA = 20:07:29.270 (301.8719603) DEC = +55:26:11.89 (55.4366353)
Discovery date: 2025-05-12 09:37:23.998 (JD=2460807.9009722)
Potential host galaxy: 2MASS J20072949+5526088
Remarks: Early SN candidate (r-rise > 0.07+-0.02 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/ZTF25aaqcfga
Photometry
Discovery (first detection):
Discovery date: 2025-05-12 09:37:23.998
Flux: 19.8352 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-05-10 11:07:18
Limiting flux: 20.1472 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://sandbox.wis-tns.org/object/2025kjm
Date Received (UTC): 2025-05-12 14:58:35
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 2025kjm
Discoverer internal name: ZTF25aaqcfga
Coordinates (J2000): RA = 20:07:29.270 (301.8719603) DEC = +55:26:11.89 (55.4366353)
Discovery date: 2025-05-12 09:37:23.998 (JD=2460807.9009722)
Potential host galaxy: 2MASS J20072949+5526088
Remarks: Early SN candidate (r-rise > 0.07+-0.02 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/ZTF25aaqcfga
Photometry
Discovery (first detection):
Discovery date: 2025-05-12 09:37:23.998
Flux: 19.8352 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-05-10 11:07:18
Limiting flux: 20.1472 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://sandbox.wis-tns.org/object/2025kjm