TNS Astronomical Transient Report No. 307998 [ 2026TNSTR2430....1H ]

Date Received (UTC): 2026-06-10 16:08:39
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 2026owa
Discoverer internal name: ZTF26abaogss
Coordinates (J2000): RA = 18:38:19.574 (279.5815598) DEC = -23:14:28.06 (-23.2411284)
Discovery date: 2026-05-20 10:31:10.001 (JD=2461180.9383102)



Photometry

Discovery (first detection):
Discovery date: 2026-05-20 10:31:10.001
Flux: 19.5497 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2026-05-20 09:30:50
Limiting flux: 20.2476 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/2026owa