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Pi Andromedae

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Pi Andromedae (π And / π Andromedae) is a star system in the constellation Andromeda. It is approximately 660 light years from Earth.

The primary component, Pi Andromedae A, is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.34. It is a spectroscopic binary with an orbital period of 143.6065 days. The binary has a 9th magnitude companion, Pi Andromedae B, 35.9 arcseconds away. It is a white A-type main sequence dwarf and has an orbital period of about 103 thousand years. At 55 arcseconds separation is the 11th magnitude Pi Andromedae C, which appears to be an optical companion.

 


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