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- 68_Cygni abstract "68 Cygni is the Flamsteed designation for a star in the constellation Cygnus. Located approximately 1,400 parsecs (4,600 ly) distant, the star is a hot blue giant of spectral type O7.5IIIn((f)), a massive star that is likely currently expanding to become a supergiant. The star is surrounded by a ring-shaped nebula (likely a Strömgren sphere) named S 119.68 Cygni is currently classified as a rotating ellipsoidal variable, varying between apparent magnitudes 4.98 and 5.09, although the classification as a rotating ellipsoidal variable is subject to controversy. Barely visible to the naked eye, the star is likely to have a mass of around 26 solar masses and a temperature of approximately 34,000 Kelvin, although many of the star's physical parameters are subject to uncertainties due to the unclear nature of the system.".
- 68_Cygni thumbnail Cygnus_IAU.svg?width=300.
- 68_Cygni wikiPageID "41559701".
- 68_Cygni wikiPageLength "18717".
- 68_Cygni wikiPageOutDegree "79".
- 68_Cygni wikiPageRevisionID "680709499".
- 68_Cygni wikiPageWikiLink Apparent_magnitude.
- 68_Cygni wikiPageWikiLink Bayer_designation.
- 68_Cygni wikiPageWikiLink Blue_giant.
- 68_Cygni wikiPageWikiLink Blue_supergiant.
- 68_Cygni wikiPageWikiLink Bolometric_luminosity.
- 68_Cygni wikiPageWikiLink Bortle_scale.
- 68_Cygni wikiPageWikiLink Bow_shock.
- 68_Cygni wikiPageWikiLink Bow_shocks_in_astrophysics.
- 68_Cygni wikiPageWikiLink Bright_Star_Catalogue.
- 68_Cygni wikiPageWikiLink Category:Bayer_objects.
- 68_Cygni wikiPageWikiLink Category:Cygnus_(constellation).
- 68_Cygni wikiPageWikiLink Category:Durchmusterung_objects.
- 68_Cygni wikiPageWikiLink Category:Emission-line_stars.
- 68_Cygni wikiPageWikiLink Category:Flamsteed_objects.
- 68_Cygni wikiPageWikiLink Category:HR_objects.
- 68_Cygni wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- 68_Cygni wikiPageWikiLink Category:Hipparcos_objects.
- 68_Cygni wikiPageWikiLink Category:O-type_giants.
- 68_Cygni wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- 68_Cygni wikiPageWikiLink Category:Rotating_ellipsoidal_variables.
- 68_Cygni wikiPageWikiLink Constellation.
- 68_Cygni wikiPageWikiLink Cygnus_(constellation).
- 68_Cygni wikiPageWikiLink Degree_(angle).
- 68_Cygni wikiPageWikiLink Deneb.
- 68_Cygni wikiPageWikiLink Doppler_effect.
- 68_Cygni wikiPageWikiLink Durchmusterung.
- 68_Cygni wikiPageWikiLink Emission_line.
- 68_Cygni wikiPageWikiLink Epoch_(astronomy).
- 68_Cygni wikiPageWikiLink Flamsteed_designation.
- 68_Cygni wikiPageWikiLink Full_moon.
- 68_Cygni wikiPageWikiLink Greek_alphabet.
- 68_Cygni wikiPageWikiLink Henry_Draper_Catalogue.
- 68_Cygni wikiPageWikiLink Hipparcos.
- 68_Cygni wikiPageWikiLink International_Ultraviolet_Explorer.
- 68_Cygni wikiPageWikiLink J2000.
- 68_Cygni wikiPageWikiLink Johann_Bayer.
- 68_Cygni wikiPageWikiLink John_Flamsteed.
- 68_Cygni wikiPageWikiLink Joseph_Jérôme_de_Lalande.
- 68_Cygni wikiPageWikiLink Jérôme_Lalande.
- 68_Cygni wikiPageWikiLink Kelvin.
- 68_Cygni wikiPageWikiLink Latin_alphabet.
- 68_Cygni wikiPageWikiLink List_of_most_luminous_known_stars.
- 68_Cygni wikiPageWikiLink Luminosity.
- 68_Cygni wikiPageWikiLink Main_sequence.
- 68_Cygni wikiPageWikiLink Milliarcsecond.
- 68_Cygni wikiPageWikiLink Minute_and_second_of_arc.
- 68_Cygni wikiPageWikiLink New_moon.
- 68_Cygni wikiPageWikiLink P_Cygni.
- 68_Cygni wikiPageWikiLink Parallax.
- 68_Cygni wikiPageWikiLink Photosphere.
- 68_Cygni wikiPageWikiLink Rho_Cygni.
- 68_Cygni wikiPageWikiLink Right_ascension.
- 68_Cygni wikiPageWikiLink Rotating_ellipsoidal_variable.
- 68_Cygni wikiPageWikiLink S_119.
- 68_Cygni wikiPageWikiLink Sigma_Cygni.
- 68_Cygni wikiPageWikiLink Solar_luminosity.
- 68_Cygni wikiPageWikiLink Spectral_line.
- 68_Cygni wikiPageWikiLink Spectral_type.
- 68_Cygni wikiPageWikiLink Star.
- 68_Cygni wikiPageWikiLink Stellar_classification.
- 68_Cygni wikiPageWikiLink Stellar_wind.
- 68_Cygni wikiPageWikiLink Strömgren_sphere.
- 68_Cygni wikiPageWikiLink Sun.
- 68_Cygni wikiPageWikiLink Supergiant.
- 68_Cygni wikiPageWikiLink Tau_Cygni.
- 68_Cygni wikiPageWikiLink Ultra_violet.
- 68_Cygni wikiPageWikiLink Ultraviolet.
- 68_Cygni wikiPageWikiLink Upsilon_Cygni.
- 68_Cygni wikiPageWikiLink Variable_star_designation.
- 68_Cygni wikiPageWikiLink Washington_Double_Star_Catalog.
- 68_Cygni wikiPageWikiLink Washington_Double_Star_Catalogue.
- 68_Cygni wikiPageWikiLink Xi_Cygni.
- 68_Cygni wikiPageWikiLink Zeta_Cygni.
- 68_Cygni wikiPageWikiLink File:Cercle_rouge_100%25.svg.
- 68_Cygni wikiPageWikiLink File:Cygnus_IAU.svg.
- 68_Cygni wikiPageWikiLinkText "68 Cyg".
- 68_Cygni wikiPageWikiLinkText "68 Cygni".
- 68_Cygni wikiPageWikiLinkText "A Cyg".
- 68_Cygni absmagV "approx. −6.70".
- 68_Cygni appmagV "5".
- 68_Cygni bV "−0.01".
- 68_Cygni class "O7.5IIIn".
- 68_Cygni constell Cygnus_(constellation).
- 68_Cygni epoch Epoch_(astronomy).
- 68_Cygni epoch J2000.
- 68_Cygni gravity "3.6".
- 68_Cygni hasPhotoCollection 68_Cygni.
- 68_Cygni mass "23".
- 68_Cygni pError "0.23".
- 68_Cygni parallax "0.7".
- 68_Cygni propMoDec "−8.40 ± 0.20".
- 68_Cygni propMoRa "4.85".
- 68_Cygni radialV "1".
- 68_Cygni rotationalVelocity "399".