TNS Astronomical Transient Report No. 242168 [ 2025TNSTR.314....1K ]

Date Received (UTC): 2025-01-23 18:00:59
Date made public:
Sender: Denis Denisenko
Reporting Group: PALEO     Discovery Data Source: PALEO

L. Konkov, D. Denisenko (Vorobyovy Gory Education Center) report/s the discovery of a new astronomical transient.

IAU Designation: AT 1993ar
Coordinates (J2000): RA = 13:52:05.070 (208.021125) DEC = -06:03:02.90 (-6.050806)
Discovery date: 1993-03-29 15:00:00.000 (JD=2449076.125)

Potential host galaxy: NGC 5324
Host redshift: 0.010188

Remarks: Possible supernova discovered by Leonid Konkov on the Red DSS plate. The object is located 13" West and 27" North from the center of NGC 5324 galaxy.

Photometry

Discovery (first detection):
Discovery date: 1993-03-29 15:00:00.000
Flux: 18.6 ABMag
Filter: R-Cousins
Instrument: Other
Telescope: Other

Remarks: Red photographic plate taken with the UK Schmidt telescope.

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

Details of the new object can be viewed here: https://www.wis-tns.org/object/1993ar