{"version":"1.0","type":"link","title":"Alpha Cygni variable - Newikis","description":"Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the same time other parts expand. They are supergiant stars of spectral types B or A. Variations in brightness on the order of 0.1 magnitudes are…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/4/40/AlphaCygLightCurve.png/1280px-AlphaCygLightCurve.png","thumbnail_width":1280,"thumbnail_height":832}