TNS Astronomical Transient Report No. 266515 [ 2025TNSTR3261....1P ]
Date Received (UTC): 2025-08-18 14:05:14
Date made public:
Sender: Fritz
Reporting Group: ZTF Discovery Data Source: ZTF
Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025ulw
Discoverer internal name: ZTF25abjcolr
Coordinates (J2000): RA = 01:52:09.018 (28.0375757) DEC = +24:51:21.30 (24.855918)
Discovery date: 2025-08-12 11:44:52.998 (JD=2460899.9895023)
Photometry
Discovery (first detection):
Discovery date: 2025-08-12 11:44:52.998
Flux: 19.9399 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-08-12 08:49:16
Limiting flux: 19.0448 ABMag
Filter: i-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025ulw
Date Received (UTC): 2025-08-18 14:05:14
Date made public:
Sender: Fritz
Reporting Group: ZTF Discovery Data Source: ZTF
Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025ulw
Discoverer internal name: ZTF25abjcolr
Coordinates (J2000): RA = 01:52:09.018 (28.0375757) DEC = +24:51:21.30 (24.855918)
Discovery date: 2025-08-12 11:44:52.998 (JD=2460899.9895023)
Photometry
Discovery (first detection):
Discovery date: 2025-08-12 11:44:52.998
Flux: 19.9399 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-08-12 08:49:16
Limiting flux: 19.0448 ABMag
Filter: i-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025ulw