Instability in the system of the distant post-AGB star LS III+52 24 (IRAS 22023+5249)

V. G. Klochkova, A. S. Miroshnichenko, V. E. Panchuk +2

The optical spectra of the B-supergiant LS III+52 24 (IRAS 22023+5249) obtained at the 6-meter telescope BTA with a resolution R$\ge$60000 in 2010-2021 revealed signs of wind varia…