TNS Astronomical Transient Report No. 133478 [ 2022TNSTR..58....1D ]

Date Received (UTC): 2022-01-07 18:50:02
Date made public:
Sender: Denis Denisenko
Reporting Group: PALEO     Discovery Data Source: PALEO

Denis Denisenko (Vorobyovy Gory education center/SAI MSU) report/s the discovery of a new astronomical transient.

IAU Designation: AT 1977K
Coordinates (J2000): RA = 13:26:47.790 (201.699125) DEC = -31:59:37.20 (-31.993667)
Discovery date: 1977-03-20 15:53:00.000 (JD=2443223.1618056)

Potential host galaxy: LEDA 98045
Host redshift: 0.049

Remarks: Possible supernova discovered on the Blue DSS plate. The object is located 12" West and 10" North from the center of LEDA 98045.

Photometry

Discovery (first detection):
Discovery date: 1977-03-20 15:53:00.000
Flux: 16.6 ABMag
Filter: B-Johnson
Instrument: Other
Telescope: Other

Remarks: SERC-J Blue photographic plate taken with the UK Schmidt telescope.

Last non-detection:
Last non-detection date: 1958-02-21 11:56:00
Limiting flux: 21 ABMag
Filter: B-Johnson
Instrument: Other
Telescope: Other

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

Details of the new object can be viewed here: https://www.wis-tns.org/object/1977K