TNS Astronomical Transient Report No. 267769 [ 2025TNSTR3374....1M ]
Date Received (UTC): 2025-08-26 18:52:48
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 2025vnb
Discoverer internal name: ZTF25abkzglz
Coordinates (J2000): RA = 18:48:38.970 (282.16237613103) DEC = +75:02:50.58 (75.047382532129)
Discovery date: 2025-08-23 05:52:04.999 (JD=2460910.7445023)
Potential host galaxy: WISEA J184839.52+750251.9
Remarks: Early SN candidate (g-rise > 0.11+-0.02 mag/day, r-rise > 0.11+-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/ZTF25abkzglz
Photometry
Discovery (first detection):
Discovery date: 2025-08-23 05:52:04.999
Flux: 19.8994 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-08-18 08:58:11
Limiting flux: 20.3402 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://www.wis-tns.org/object/2025vnb
Date Received (UTC): 2025-08-26 18:52:48
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 2025vnb
Discoverer internal name: ZTF25abkzglz
Coordinates (J2000): RA = 18:48:38.970 (282.16237613103) DEC = +75:02:50.58 (75.047382532129)
Discovery date: 2025-08-23 05:52:04.999 (JD=2460910.7445023)
Potential host galaxy: WISEA J184839.52+750251.9
Remarks: Early SN candidate (g-rise > 0.11+-0.02 mag/day, r-rise > 0.11+-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/ZTF25abkzglz
Photometry
Discovery (first detection):
Discovery date: 2025-08-23 05:52:04.999
Flux: 19.8994 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-08-18 08:58:11
Limiting flux: 20.3402 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://www.wis-tns.org/object/2025vnb