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- Zeta_Cygni abstract "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. Based upon parallax measurements, the distance to this star is about 143 light-years (44 parsecs).The primary component is a giant star with a stellar classification of G8 IIIp. Its most likely status is as a core-helium fusing giant star, although it could be in transition to gianthood with a tranquil helium core. This star has around three times the mass of the Sun and has expanded to about 15 times the Sun's radius. It is radiating 112 times the brightness of the Sun from its outer atmosphere at an effective temperature of 4,910 K. At this temperature, the star glows with the yellow hue of a G-type star.Zeta Cygni has an overabundance of barium, as well as other heavy chemical elements in its atmosphere, making it a so-called "mild" barium star. These elements were synthesized by the other member of the system as it passed through the asymptotic giant branch (AGB) stage of its evolution, then ejected in its stellar wind and accreted onto the current primary component. Prior to acquiring this additional mass, Zeta Cygni had about 2.5 times the mass of the Sun, while the more evolved AGB star had three solar masses.The secondary component of this system is a white dwarf. The pair orbit each other every 6,489 days, or every 17.8 years, with an eccentricity of 0.22.".
- Zeta_Cygni thumbnail Cygnus_IAU.svg?width=300.
- Zeta_Cygni wikiPageID "13790160".
- Zeta_Cygni wikiPageRevisionID "602424836".
- Zeta_Cygni absmagV "–0.01".
- Zeta_Cygni ageGyr "0.2".
- Zeta_Cygni appmagV "3.26".
- Zeta_Cygni axisUnitless "0.19".
- Zeta_Cygni bV "+0.98".
- Zeta_Cygni class "G8+IIIa Ba 0.6".
- Zeta_Cygni component "ζ Cyg A".
- Zeta_Cygni component "ζ Cyg B".
- Zeta_Cygni constell Cygnus_(constellation).
- Zeta_Cygni epoch "J2000.0".
- Zeta_Cygni gravity "2.41".
- Zeta_Cygni hasPhotoCollection Zeta_Cygni.
- Zeta_Cygni luminosity "112".
- Zeta_Cygni mass "0.6".
- Zeta_Cygni mass "3.05".
- Zeta_Cygni metalFe "–0.04".
- Zeta_Cygni pError "0.35".
- Zeta_Cygni parallax "22.79".
- Zeta_Cygni propMoDec "–68.21".
- Zeta_Cygni propMoRa "+6.51".
- Zeta_Cygni radius "15".
- Zeta_Cygni temperature "12000".
- Zeta_Cygni temperature "4910".
- Zeta_Cygni uB "+0.77".
- Zeta_Cygni subject Category:Bayer_objects.
- Zeta_Cygni subject Category:Cygnus_(constellation).
- Zeta_Cygni subject Category:Henry_Draper_Catalogue_objects.
- Zeta_Cygni subject Category:Spectroscopic_binaries.
- Zeta_Cygni type BayerObjects.
- Zeta_Cygni type BinaryStar109221070.
- Zeta_Cygni type CelestialBody109239740.
- Zeta_Cygni type EclipsingBinaries.
- Zeta_Cygni type HenryDraperCatalogueObjects.
- Zeta_Cygni type NaturalObject100019128.
- Zeta_Cygni type Object100002684.
- Zeta_Cygni type PhysicalEntity100001930.
- Zeta_Cygni type SpectroscopicBinaries.
- Zeta_Cygni type Star109444100.
- Zeta_Cygni type Whole100003553.
- Zeta_Cygni type CelestialBody.
- Zeta_Cygni type Star.
- Zeta_Cygni type PhysicalBody.
- Zeta_Cygni comment "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. Based upon parallax measurements, the distance to this star is about 143 light-years (44 parsecs).The primary component is a giant star with a stellar classification of G8 IIIp. Its most likely status is as a core-helium fusing giant star, although it could be in transition to gianthood with a tranquil helium core.".
- Zeta_Cygni label "Zeta Cygni".
- Zeta_Cygni label "Zeta Cygni".
- Zeta_Cygni label "Zeta Cygni".
- Zeta_Cygni label "Zeta Cygni".
- Zeta_Cygni label "Zeta Cygni".
- Zeta_Cygni label "天津八".
- Zeta_Cygni sameAs Zeta_Cygni.
- Zeta_Cygni sameAs Zeta_Cygni.
- Zeta_Cygni sameAs Zeta_Cygni.
- Zeta_Cygni sameAs Zeta_Cygni.
- Zeta_Cygni sameAs Zeta_Cygni.
- Zeta_Cygni sameAs Zeta_Cygni.
- Zeta_Cygni sameAs Zeta_Cygni.
- Zeta_Cygni sameAs m.03cjc1q.
- Zeta_Cygni sameAs Q2742610.
- Zeta_Cygni sameAs Q2742610.
- Zeta_Cygni sameAs Zeta_Cygni.
- Zeta_Cygni wasDerivedFrom Zeta_Cygni?oldid=602424836.
- Zeta_Cygni depiction Cygnus_IAU.svg.
- Zeta_Cygni isPrimaryTopicOf Zeta_Cygni.
- Zeta_Cygni name "Zeta Cygni".
