TNS Astronomical Transient Report No. 263576 [ 2025TNSTR2877....1R ]

Date Received (UTC): 2025-07-24 11:02:41
Date made public:
Sender: BTSbot_bot
Reporting Group: ZTF     Discovery Data Source: ZTF

Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025rzu
Discoverer internal name: ZTF25abcfaum
Coordinates (J2000): RA = 22:03:43.557 (330.9314878) DEC = -20:00:37.96 (-20.0105434)
Discovery date: 2025-07-20 08:16:06.000 (JD=2460876.8445139)


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: 2025-07-20 08:16:06.000
Flux: 19.6857 ABMag
Filter: i-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-07-19 08:53:25
Limiting flux: 20.5179 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/2025rzu