TNS Astronomical Transient Report No. 303900 [ 2026TNSTR2119....1W ]

Date Received (UTC): 2026-05-15 15:55:14
Date made public:
Sender: ZTF_LIONS
Reporting Group: ZTF     Discovery Data Source: ZTF

Yogesh Wagh (LJMU), 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 2026msk
Discoverer internal name: ZTF26aawedxo
Coordinates (J2000): RA = 21:35:57.404 (323.9891845) DEC = +03:06:05.10 (3.101416)
Discovery date: 2026-05-11 10:48:33.998 (JD=2461171.9503935)



Photometry

Discovery (first detection):
Discovery date: 2026-05-11 10:48:33.998
Flux: 20.4402 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2026-05-09 11:15:33
Limiting flux: 20.1002 ABMag
Filter: i-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://www.wis-tns.org/object/2026msk