Photometric and Spectroscopic Study of the Supergiant with an Infrared Excess V1027 Cygni

V. P. Arkhipova, O. G. Taranova, N. P. Ikonnikova +4

We present the results of our $UBV$ and $JHKLM$-photometry for the semiregular pulsating variable V1027~Cyg, a supergiant with an infrared excess, over the period from 1991 to 2015…