Magnitude 5.16 Apparent magnitude (V) 5.16 | Constellation Cancer | |
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Xi Cancri (ξ Cnc, ξ Cancri) is a spectroscopic binary in the constellation Cancer. It is approximately 381 light years from Earth.
Contents
Name
This star, along with λ Leo (Alterf), were the Persian Nahn, "the Nose", and the Coptic Piautos, "the Eye", both lunar asterisms.
Nahn was the title of this star in the catalogue of stars in Technical Memorandum 33-507 - A Reduced Star Catalog Containing 537 Named Stars.
Structure
The primary component, ξ Cancri A, is a yellow G-type giant with an apparent magnitude of +5.16. Its companion, ξ Cancri B, is 0.1 arcseconds from the primary. The two stars complete one orbit about their common centre of mass once every 4.66 years with an eccentricity of 0.07.
References
Xi Cancri Wikipedia(Text) CC BY-SA