| 1. | Both components of the binary star are a white main sequence dwarfs.
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| 2. | ZZ Bo�tis is actually a binary star system, specifically an eclipsing binary.
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| 3. | Binary star systems are listed under the : Category : Binary stars.
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| 4. | Binary star systems are listed under the : Category : Binary stars.
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| 5. | The system is a candidate binary star, but has not been confirmed.
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| 6. | Omicron Cephei is a binary star with a period of 800 years.
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| 7. | Alpha Fornacis is a binary star and has a high proper motion.
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| 8. | There is a suggestion that WR 102c may be a binary star.
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| 9. | He is most famous for the discovery and study of close binary stars.
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| 10. | He used this concept to explain the color of binary stars.
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