TNS Astronomical Transient Report No. 274061 [ 2025TNSTR4212....1R ]

Date Received (UTC): 2025-10-20 12:42:40
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: SN 2025aazr
Discoverer internal name: ZTF25abxrfik
Coordinates (J2000): RA = 09:18:19.289 (139.5803706) DEC = -08:50:37.70 (-8.8438053)
Discovery date: 2025-10-18 12:07:13.995 (JD=2460967.0050231)


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: 2025-10-18 12:07:13.995
Flux: 18.0284 ABMag
Filter: g-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+Caltech, ZTF Public+Partnership alert streams

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