TNS Astronomical Transient Report No. 202519 [ 2024TNSTR.459....1D ]

Date Received (UTC): 2024-02-15 16:05:02
Date made public:
Sender: Denis Denisenko
Reporting Group: PALEO     Discovery Data Source: PALEO

Artem Doronin, Denis Denisenko (Vorobyovy Gory Education Center) report/s the discovery of a new astronomical transient.

IAU Designation: AT 1990aq
Coordinates (J2000): RA = 05:21:22.550 (80.343958) DEC = +04:52:51.90 (4.881083)
Discovery date: 1990-10-25 10:05:00.000 (JD=2448189.9201389)

Potential host galaxy: UGC 3296
Host redshift: 0.01426

Remarks: Possible supernova discovered by Artem Doronin on the Red DSS plate. The object is located 10" East and 24" South from the center of UGC 3296 = LEDA 17164.

Photometry

Discovery (first detection):
Discovery date: 1990-10-25 10:05:00.000
Flux: 17 ABMag
Filter: R-Cousins
Instrument: Other
Telescope: Other

Remarks: POSS-II Red 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/1990aq