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The Be star Alpha Arae (artist's impression)
Artist's impression of the Be star Alpha Arae. The star is rotating with a velocity close to its break-up velocity and loses mass through a stellar wind emerging predominantly from the poles and reaching velocities of the order of 2000 km/s. The star is surrounded by a disc in Keplerian rotation.
Crédit:ESO/Anthony Meilland (Observatoire de la Côte d''Azur, France)
À propos de l'image
Identification: | eso0635a |
Type: | Dessin |
Date de publication: | 20 septembre 2006 |
Communiqués de presse en rapport: | eso0635 |
Taille: | 2369 x 2147 px |
À propos de l'objet
Nom: | Alpha Arae |
Type: | Milky Way : Star : Type : Variable |
Distance: | 250 années lumière |
Catégorie: | Illustrations Stars |