TNS Astronomical Transient Report No. 270356 [ 2025TNSTR3716....1M ]
Date Received (UTC): 2025-09-16 19:51:18
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 2025xsr
Discoverer internal name: ZTF25abrople
Coordinates (J2000): RA = 08:27:23.942 (126.84975703334) DEC = +02:37:50.26 (2.6306276333333)
Discovery date: 2025-09-15 12:30:46.999 (JD=2460934.0213773)
Remarks: Early SN candidate (r-rise > 1.00 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/ZTF25abrople
Photometry
Discovery (first detection):
Discovery date: 2025-09-15 12:30:46.999
Flux: 19.2906 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-09-15 12:25:01
Limiting flux: 19.5883 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/2025xsr
Date Received (UTC): 2025-09-16 19:51:18
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 2025xsr
Discoverer internal name: ZTF25abrople
Coordinates (J2000): RA = 08:27:23.942 (126.84975703334) DEC = +02:37:50.26 (2.6306276333333)
Discovery date: 2025-09-15 12:30:46.999 (JD=2460934.0213773)
Remarks: Early SN candidate (r-rise > 1.00 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/ZTF25abrople
Photometry
Discovery (first detection):
Discovery date: 2025-09-15 12:30:46.999
Flux: 19.2906 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: Data provided by ZTF
Last non-detection:
Last non-detection date: 2025-09-15 12:25:01
Limiting flux: 19.5883 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/2025xsr