TNS Astronomical Transient Report No. 253069 [ 2025TNSTR1604....1S ]
Date Received (UTC): 2025-04-30 01:55:43
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 2025ism
Discoverer internal name: ZTF25aaoqzhl
Coordinates (J2000): RA = 16:50:31.813 (252.6325547) DEC = +59:12:24.93 (59.2069253)
Discovery date: 2025-04-29 07:46:49.998 (JD=2460794.8241898)
Photometry
Discovery (first detection):
Discovery date: 2025-04-29 07:46:49.998
Flux: 19.7312 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-04-24 08:52:21
Limiting flux: 20.8376 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/2025ism
Date Received (UTC): 2025-04-30 01:55:43
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 2025ism
Discoverer internal name: ZTF25aaoqzhl
Coordinates (J2000): RA = 16:50:31.813 (252.6325547) DEC = +59:12:24.93 (59.2069253)
Discovery date: 2025-04-29 07:46:49.998 (JD=2460794.8241898)
Photometry
Discovery (first detection):
Discovery date: 2025-04-29 07:46:49.998
Flux: 19.7312 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2025-04-24 08:52:21
Limiting flux: 20.8376 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/2025ism