It is currently a yellow supergiant.
Chat with our AI personalities
Rastaban is a binary star system in the constellation of Draco. The primary star is a yellow-white subgiant, while the secondary star is most likely a red dwarf.
Rastaban, also known as Beta Draconis, is an orange giant star with a surface temperature of approximately 4,900 Kelvin. This makes it cooler than our sun, which has a surface temperature of about 5,500 Kelvin.
Rastaban is currently in the post-main sequence stage of its life cycle, where it has exhausted its core hydrogen fuel and is now expanding as a red giant. It is in the later stages of its evolution before eventually collapsing into a white dwarf.
Some of the main stars in the constellation Draco include Thuban (Alpha Draconis), Eltanin (Gamma Draconis), and Rastaban (Beta Draconis). Thuban was the pole star around 2700 BC and Eltanin is the brightest star in Draco.
Red giant is a type of star.
Draco star type is negative