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Zeta Cygni (ζ Cyg) is a binary star system in the northern constellation of Cygnus, the swan. It has an apparent visual magnitude of 3.26 and, based upon parallax measurements, is about 143 light-years (44 parsecs) away. The primary component, ζ Cyg A is a giant star with a spectral type of G8 IIIp.
Pausanias mentions Cycnus, king of the Ligyes (Ligurians), as a renowned musician who after his death was changed into a swan by Apollo. [14] Servius also writes of Cycnus as a musician and a friend of Phaethon, and states that he was changed into a swan and later placed among the stars by Apollo (that is, as the constellation Cygnus ).
According to Pseudo-Eratosthenes and Hyginus' Poetical Astronomy, the constellation Cygnus was the stellar image of the swan Zeus had transformed into in order to seduce Leda [9] or Nemesis. [10] Pausanias and Servius state that Apollo turned Cycnus of Liguria into a swan after the death of his lover Phaeton, then later placed him among the ...
The Northern Cross is an astronomical asterism in the northern hemisphere of the celestial sphere, corresponding closely with the constellation Cygnus the swan. It is much larger than the Southern Cross and consists of the brightest stars in Cygnus: Deneb , Sadr , Gienah , Delta Cygni and Albireo .
KIC 9832227 is a contact binary star system in the constellation Cygnus, located about 2,060 light-years away. It is also identified as an eclipsing binary with an orbital period of almost 11 hours.
SS Cygni is a variable star in the northern constellation Cygnus (the Swan). It was discovered in 1896 by Louisa D. Wells, a computer working under Edward Pickering at Harvard College Observatory . [ 7 ] [ 8 ] It is the prototype of the subclass of dwarf novae that show only normal eruptions.
The fifth star in Cygnus above magnitude 3 is Aljanah, [23] designated ε Cygni. It is an orange-hued giant star of magnitude 2.5, 72 light-years from Earth. [25] [26] There are several other dimmer double and binary stars in Cygnus. μ Cygni is a binary star with an optical tertiary component. The binary system has a period of 790 years and is ...
Kepler-22 is a Sun-like star in the northern constellation of Cygnus, the swan, that is orbited by at least 1 planet found to be unequivocally within the star's habitable zone. It is located at the celestial coordinates : Right Ascension 19 h 16 m 52.2 s , Declination +47° 53′ 3.9″. [ 2 ]