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- Omega2_Cygni abstract "Omega2 Cygni (ω2 Cyg, ω2 Cygni) is a star in the constellation Cygnus. It has the traditional name Ruchba.It is a double star about 500 light years from Earth, consisting of a magnitude 5.44 star of spectral class M2 and a 6.6 magnitude star of spectral class A0. The stars are 256" apart and can be seen in binoculars. Because of the color contrast (red main star and blue companion), Ruchba is a beautiful object for amateur astronomers.".
- Omega2_Cygni wikiPageExternalLink index.jsp?rightAscension=20.522&declination=49.221&viewAngle=30.
- Omega2_Cygni wikiPageID "2727432".
- Omega2_Cygni wikiPageRevisionID "549563483".
- Omega2_Cygni absmagV "7.036".
- Omega2_Cygni age "?".
- Omega2_Cygni appmagV "5.468".
- Omega2_Cygni bV "?".
- Omega2_Cygni class "M2III".
- Omega2_Cygni constell Cygnus_(constellation).
- Omega2_Cygni dec "+49° 13' 13.07"'".
- Omega2_Cygni epoch "J2000".
- Omega2_Cygni hasPhotoCollection Omega2_Cygni.
- Omega2_Cygni luminosity "?".
- Omega2_Cygni mass "?".
- Omega2_Cygni metal "?".
- Omega2_Cygni name "ω2 Cyg B".
- Omega2_Cygni pError "0.49".
- Omega2_Cygni parallax "8.07".
- Omega2_Cygni propMoDec "-31.28".
- Omega2_Cygni propMoRa "8.79".
- Omega2_Cygni ra "73878.8163".
- Omega2_Cygni radialV "-64".
- Omega2_Cygni radius "?".
- Omega2_Cygni rotation "?".
- Omega2_Cygni temperature "?".
- Omega2_Cygni uB "?".
- Omega2_Cygni variable "None".
- Omega2_Cygni subject Category:Bayer_objects.
- Omega2_Cygni subject Category:Cygnus_(constellation).
- Omega2_Cygni subject Category:Stars_with_proper_names.
- Omega2_Cygni type CelestialBody.
- Omega2_Cygni type Star.
- Omega2_Cygni type PhysicalBody.
- Omega2_Cygni comment "Omega2 Cygni (ω2 Cyg, ω2 Cygni) is a star in the constellation Cygnus. It has the traditional name Ruchba.It is a double star about 500 light years from Earth, consisting of a magnitude 5.44 star of spectral class M2 and a 6.6 magnitude star of spectral class A0. The stars are 256" apart and can be seen in binoculars. Because of the color contrast (red main star and blue companion), Ruchba is a beautiful object for amateur astronomers.".
- Omega2_Cygni label "Omega2 Cygni".
- Omega2_Cygni label "Omega2 Cygni".
- Omega2_Cygni label "Omega2 Cygni".
- Omega2_Cygni label "Ruchba".
- Omega2_Cygni label "Ruchba".
- Omega2_Cygni sameAs Omega2_Cygni.
- Omega2_Cygni sameAs Ruchba.
- Omega2_Cygni sameAs Ruchba.
- Omega2_Cygni sameAs Omega2_Cygni.
- Omega2_Cygni sameAs m.07_9y9.
- Omega2_Cygni sameAs Q309529.
- Omega2_Cygni sameAs Q309529.
- Omega2_Cygni wasDerivedFrom Omega2_Cygni?oldid=549563483.
- Omega2_Cygni isPrimaryTopicOf Omega2_Cygni.
- Omega2_Cygni name "ω2 Cyg A".