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About: AC Andromedae     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Star, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingplacedbo:Locationschema:Placecelestial bodystar New Facet based on Instances of this Class

AC Andromedae (AC And) is a variable star in the constellation Andromeda. Its maximum apparent visual magnitude is 10.77, but can be seen fainter down to a magnitude of 11.9. The nature of AC Andromedae is still not determined. Its light curve shows clearly three radial pulsation modes, the fundamental one with a period of 0.71 days, and the first two overtones of 0.525 and 0.421 days, respectively. It is then unclear if it belongs to the class of RR Lyrae variables or to the one of Delta Scuti variables. Another study points at AC And as an intermediate object between classical Cepheids and Delta Scuti variables. The physical parameters of the star itself would be different depending on which class it belongs to.