TNS Astronomical Transient Report No. 261265 [ 2025TNSTR2518....1M ]
Date Received (UTC): 2025-07-02 18:12:33
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, 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 2025qco
Discoverer internal name: ZTF25aayrvly
Coordinates (J2000): RA = 16:40:39.077 (250.16282201809) DEC = +51:15:19.02 (51.255283216483)
Discovery date: 2025-07-01 06:06:43.004 (JD=2460857.7546644)
Potential host galaxy: SDSS J164037.90+511516.6
Remarks: Early SN candidate (g-rise > 0.19+-0.06 mag/day, r-rise > 0.09+-0.03 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/ZTF25aayrvly
Photometry
Discovery (first detection):
Discovery date: 2025-07-01 06:06:43.004
Flux: 20.1503 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-06-29 07:40:11
Limiting flux: 20.2328 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://sandbox.wis-tns.org/object/2025qco
Date Received (UTC): 2025-07-02 18:12:33
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
A. Munoz-Arancibia, G. Pignata, F.E. Bauer, 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 2025qco
Discoverer internal name: ZTF25aayrvly
Coordinates (J2000): RA = 16:40:39.077 (250.16282201809) DEC = +51:15:19.02 (51.255283216483)
Discovery date: 2025-07-01 06:06:43.004 (JD=2460857.7546644)
Potential host galaxy: SDSS J164037.90+511516.6
Remarks: Early SN candidate (g-rise > 0.19+-0.06 mag/day, r-rise > 0.09+-0.03 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/ZTF25aayrvly
Photometry
Discovery (first detection):
Discovery date: 2025-07-01 06:06:43.004
Flux: 20.1503 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-06-29 07:40:11
Limiting flux: 20.2328 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://sandbox.wis-tns.org/object/2025qco