TNS Astronomical Transient Report No. 273842 [ 2025TNSTR4192....1R ]

Date Received (UTC): 2025-10-19 02:56:17
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 2025aavv
Discoverer internal name: ZTF25abxfpgs
Coordinates (J2000): RA = 18:00:43.653 (270.1818856) DEC = +43:02:17.01 (43.0380595)
Discovery date: 2025-10-17 02:41:12.998 (JD=2460965.611956)


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: 2025-10-17 02:41:12.998
Flux: 19.1736 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-10-12 05:47:33
Limiting flux: 20.203 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/2025aavv