TNS Astronomical Transient Report No. 241356 [ 2025TNSTR.243....1R ]

Date Received (UTC): 2025-01-18 12:56:18
Date made public:
Sender: Fritz
Reporting Group: ZTF     Discovery Data Source: ZTF

Nabeel Rehemtulla (CIERA, NU), 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 2025qu
Discoverer internal name: ZTF25aachzgz
Coordinates (J2000): RA = 17:52:45.320 (268.1888313) DEC = +38:14:52.70 (38.2479727)
Discovery date: 2025-01-18 12:14:02.002 (JD=2460694.0097454)


Remarks: Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).

Photometry

Discovery (first detection):
Discovery date: 2025-01-18 12:14:02.002
Flux: 17.9982 ABMag
Filter: r-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://www.wis-tns.org/object/2025qu