TNS Astronomical Transient Report No. 261842 [ 2025TNSTR2620....1J ]

Date Received (UTC): 2025-07-08 08:48:06
Date made public:
Sender: BTSbot_bot
Reporting Group: ZTF     Discovery Data Source: ZTF

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

IAU Designation: SN 2025qpk
Discoverer internal name: ZTF25abadtsx
Coordinates (J2000): RA = 20:44:37.544 (311.1564338) DEC = -01:43:12.14 (-1.7200378)
Discovery date: 2025-07-07 06:26:15.996 (JD=2460863.7682407)


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: 2025-07-07 06:26:15.996
Flux: 19.805 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-07-07 06:25:35
Limiting flux: 19.6045 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/2025qpk