TNS Astronomical Transient Report No. 245975 [ 2025TNSTR.769....1J ]
Date Received (UTC): 2025-02-25 19:07:53
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
S. Jurado, F.E. Bauer, F. Forster, 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 2025csv
Discoverer internal name: ZTF25aahlycs
Coordinates (J2000): RA = 15:23:09.707 (230.7904471) DEC = +30:52:39.25 (30.8775697)
Discovery date: 2025-02-25 10:54:03.001 (JD=2460731.9542014)
Potential host galaxy: SDSS J152308.39+305239.0
Host redshift: 0.07344612
Remarks: Early SN candidate (g-rise > 0.37+-0.09 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/ZTF25aahlycs
Photometry
Discovery (first detection):
Discovery date: 2025-02-25 10:54:03.001
Flux: 19.7795 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-02-23 11:47:59
Limiting flux: 20.6694 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/2025csv
Date Received (UTC): 2025-02-25 19:07:53
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE Discovery Data Source: ZTF
S. Jurado, F.E. Bauer, F. Forster, 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 2025csv
Discoverer internal name: ZTF25aahlycs
Coordinates (J2000): RA = 15:23:09.707 (230.7904471) DEC = +30:52:39.25 (30.8775697)
Discovery date: 2025-02-25 10:54:03.001 (JD=2460731.9542014)
Potential host galaxy: SDSS J152308.39+305239.0
Host redshift: 0.07344612
Remarks: Early SN candidate (g-rise > 0.37+-0.09 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/ZTF25aahlycs
Photometry
Discovery (first detection):
Discovery date: 2025-02-25 10:54:03.001
Flux: 19.7795 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-02-23 11:47:59
Limiting flux: 20.6694 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/2025csv