The evolutionary stage of Betelgeuse inferred from its pulsation

betelgeuse The star Betelgeuse visibly dimmed in 2019 Now, a new analysis reveals why: Betelgeuse blew out and is still recovering The red supergiant

Betelgeuse · One of the sky's brightest stars is disappearing · One of the brightest stars is all set to disappear today · Asteroid will pass in front of bright betelgeuse Our ALMA observations show that Betelgeuse is rotating with a projected velocity of νeq sini = ± km s-1 at the equivalent continuum angular radius R