TNS Astronomical Transient Report No. 270812 [ 2025TNSTR3798....1S ]
Date Received (UTC): 2025-09-21 05:59:11
Date made public:
Sender: Fritz
Reporting Group: ZTF Discovery Data Source: ZTF
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.
IAU Designation: SN 2025ydd
Discoverer internal name: ZTF25abskgbv
Coordinates (J2000): RA = 17:14:54.826 (258.7284421) DEC = +35:30:57.34 (35.5159285)
Discovery date: 2025-09-20 03:21:04.999 (JD=2460938.6396412)
Photometry
Discovery (first detection):
Discovery date: 2025-09-20 03:21:04.999
Flux: 20.799 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-09-20 03:19:43
Limiting flux: 20.5668 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025ydd
Date Received (UTC): 2025-09-21 05:59:11
Date made public:
Sender: Fritz
Reporting Group: ZTF Discovery Data Source: ZTF
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.
IAU Designation: SN 2025ydd
Discoverer internal name: ZTF25abskgbv
Coordinates (J2000): RA = 17:14:54.826 (258.7284421) DEC = +35:30:57.34 (35.5159285)
Discovery date: 2025-09-20 03:21:04.999 (JD=2460938.6396412)
Photometry
Discovery (first detection):
Discovery date: 2025-09-20 03:21:04.999
Flux: 20.799 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-09-20 03:19:43
Limiting flux: 20.5668 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025ydd

