TNS Astronomical Transient Report No. 307667 [ 2026TNSTR2399....1H ]

Date Received (UTC): 2026-06-08 18:10:43
Date made public:
Sender: ZTF_LIONS
Reporting Group: ZTF     Discovery Data Source: ZTF

K-Ryan Hinds (Caltech), Christoffer Fremling (Caltech), Mansi Kasliwal (Caltech), Theophile du Laz (Caltech), Thomas Culino (Caltech), Joahan Castaneda Jaimes (CIT, IPAC), Michael Coughlin (UMN), Antoine Le Calloch (UMN) , Pete Bachant (Caltech) on behalf of Z+LIONS report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025amnk
Discoverer internal name: ZTF25aaslipv
Coordinates (J2000): RA = 16:03:04.129 (240.7672061) DEC = +03:59:03.34 (3.984262)
Discovery date: 2025-05-27 09:28:41.001 (JD=2460822.894919)



Photometry

Discovery (first detection):
Discovery date: 2025-05-27 09:28:41.001
Flux: 18.6743 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2025-05-27 07:36:04
Limiting flux: 20.9365 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/2025amnk