Alpha Cassiopeiae or α Cassiopeiae, also named Schedar (), is a second-magnitude star in the northern constellation of Cassiopeia. Though listed as the "alpha star" by Johann Bayer, α Cas's visual brightness closely matches the 'beta' (β) star in the constellation (Beta Cassiopeiae) and it may appear marginally brighter or dimmer, depending on which passband is used. However, recent calculations from NASA's WISE telescope confirm that α Cas is the brightest in Cassiopeia, with... plus
Ce site utilise des cookies. Pour plus d'informations, cliquez ce lien. Vous pouvez lire ici quels cookies nous plaçons, pourquoi et quels cookies "tiers" éventuels peuvent être ajoutés.