TNS Astronomical Transient Report No. 265992 [ 2025TNSTR3233....1R ]

Date Received (UTC): 2025-08-16 06:14:02
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 2025tzp
Discoverer internal name: ZTF25abiwauq
Coordinates (J2000): RA = 17:36:08.405 (264.0350217) DEC = +68:09:05.86 (68.1516283)
Discovery date: 2025-08-16 04:27:45.000 (JD=2460903.6859375)


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: 2025-08-16 04:27:45.000
Flux: 18.7734 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-07-31 10:09:25
Limiting flux: 20.5049 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


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