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Is Castor A Main Sequence Star?

January 24, 2024 by Emily Lee

Is Castor A Main Sequence Star? Physical properties. Castor is 51 light-years away from Earth, determined from its large annual parallax. The two brightest stars are both A-class main-sequence stars, more massive and brighter than the Sun. Is Castor a giant star? The biggest and most massive star of the Castor system is Castor Ba.

What Kind Of Star Is Castor?

January 24, 2024 by Emily Lee

What Kind Of Star Is Castor? Castor C is a variable star, classified as a BY Draconis type. BY Draconis variables are cool dwarf stars which vary as they rotate due to starspots or other variations in their photospheres. The two red dwarfs of Castor C are almost identical, with masses around a half M