TNS Astronomical Transient Report No. 188320 [ 2023TNSTR2293....1D ]

Date Received (UTC): 2023-09-17 15:13:45
Date made public:
Sender: Denis Denisenko
Reporting Group: PALEO     Discovery Data Source: PALEO

Artem Doronin, Leonid Konkov, Denis Denisenko report/s the discovery of a new astronomical transient.

IAU Designation: AT 1986U
Coordinates (J2000): RA = 13:04:08.710 (196.036292) DEC = +19:12:37.10 (19.210306)
Discovery date: 1986-03-05 05:53:00.000 (JD=2446494.7451389)

Potential host galaxy: IC 4141
Host redshift: 0.06634

Remarks: Possible supernova discovered by Artem Doronin and Leonid Konkov on the Blue DSS plate. The object is located 14" East and 1" South from the center of IC 4141.

Photometry

Discovery (first detection):
Discovery date: 1986-03-05 05:53:00.000
Flux: 19 ABMag
Filter: B-Johnson
Instrument: Other
Telescope: Other

Remarks: Blue photographic plate taken with the 48-inch Palomar Schmidt camera.

Last non-detection:
Archival info: Other
Remarks: Nothing but galaxy background is present at this position on the color-combined PanSTARRS-1 images (limiting magnitude 23.5).

Details of the new object can be viewed here: https://www.wis-tns.org/object/1986U