TNS Astronomical Transient Report No. 262081 [ 2025TNSTR2654....1R ]

Date Received (UTC): 2025-07-11 08:57:58
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: SN 2025qtt
Discoverer internal name: ZTF25abawltx
Coordinates (J2000): RA = 19:31:06.006 (292.7750251) DEC = +54:06:03.65 (54.101013)
Discovery date: 2025-07-11 06:37:58.998 (JD=2460867.7763773)


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: 2025-07-11 06:37:58.998
Flux: 17.8705 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-07-09 06:41:08
Limiting flux: 20.5962 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://www.wis-tns.org/object/2025qtt