TNS Astronomical Transient Report No. 308149 [ 2026TNSTR2457....1H ]

Date Received (UTC): 2026-06-11 16:47:25
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 2026oyr
Discoverer internal name: ZTF26abbhcjl
Coordinates (J2000): RA = 21:19:53.296 (319.9720655) DEC = -15:58:50.29 (-15.9806359)
Discovery date: 2026-06-09 10:10:49.998 (JD=2461200.9241898)



Photometry

Discovery (first detection):
Discovery date: 2026-06-09 10:10:49.998
Flux: 20.254 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2026-06-08 10:24:26
Limiting flux: 19.8103 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/2026oyr