V509 Cassiopeiae
Encyclopedia : V : V5 : V50 : V509 Cassiopeiae
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|} V509 Cassiopeiae (V509 Cas) is a star in the constellation Cassiopeia.V509 Cassiopeiae is a yellow-white F-type hypergiant with a mean apparent magnitude of +5.10. It is at least 7800 light years from Earth. It is classified as a semiregular variable star and its brightness varies from magnitude +4.75 to +5.5.
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