ξ Cygni (Latinised as Xi Cygni) is a spectroscopic binary star in the constellation Cygnus, made up of a K-type supergiant star (primary) and an A-type star (secondary). Its apparent magnitude is …

ξ Cygni is a variable supergiant star of spectral class K4 in the constellation of Cygnus. ξ Cygni visual magnitude is 3.72. Because of its moderate brightness, ξ Cygni is easily visible to the …

Xi Cygni is a spectroscopic binary star located in the constellation of Cygnus, The Swan. It is not part of the Cygnus constellation outline but is within the borders of the constellation. Based on …

Xi Cygni (Xi the 14th letter of the ) is one whopper of a star, moreover one with an unusual spectral class. Back to basics first. Xi shines at the bright end of fourth magnitude (3.72) within …

Xi Cygni (ξ Cyg) is a spectral class K5Ibv SB star of magnitude 3.72 located in the constellation Cygnus. ξ Cyg is one of the brighter stars in Cygnus and can be seen by the naked eye under …

Pronunciation: (SIG-nus) Abbreviation: Cyg Genitive: Cygni Right Ascension: 21 hours Declination: 40 degrees Area in Square Degrees: 804 Crosses Meridian: 9 PM, August 20 …

ξ Cygni (Latinised as Xi Cygni) is a spectroscopic binary star in the constellation Cygnus, made up of a K-type supergiant star (primary) and an A-type star (secondary). Its apparent magnitude is …

Xi Cygni shines against the the North America Nebula in Cygnus, seen here extending out to the westward. The star and the nebula are not directly related, and Xi Cygni lies much closer to …

data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)

Radial velocity variations of the K supergiant Xi Cygni are investigated on the basis of published as well as new values from spectrograms in the visual and near infrared region obtained in the …