TNS Astronomical Transient Report No. 271895 [ 2025TNSTR3934....1S ]
Date Received (UTC): 2025-09-30 16:59:41
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: AT 2025yym
Discoverer internal name: ZTF25abuomvv
Coordinates (J2000): RA = 08:52:49.617 (133.2067362) DEC = +77:37:18.01 (77.621669)
Discovery date: 2025-09-30 10:48:51.001 (JD=2460948.9505903)
Photometry
Discovery (first detection):
Discovery date: 2025-09-30 10:48:51.001
Flux: 19.6236 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Archival info: Other
Remarks: No non-detections prior to first detection in ZTF Public, ZTF Public+Partnership alert streams
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2025yym
Date Received (UTC): 2025-09-30 16:59:41
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: AT 2025yym
Discoverer internal name: ZTF25abuomvv
Coordinates (J2000): RA = 08:52:49.617 (133.2067362) DEC = +77:37:18.01 (77.621669)
Discovery date: 2025-09-30 10:48:51.001 (JD=2460948.9505903)
Photometry
Discovery (first detection):
Discovery date: 2025-09-30 10:48:51.001
Flux: 19.6236 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Archival info: Other
Remarks: No non-detections prior to first detection in ZTF Public, ZTF Public+Partnership alert streams
Details of the new object can be viewed here: https://sandbox.wis-tns.org/object/2025yym