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• Gamma_Lyrae abstract "Gamma Lyrae (γ Lyr, γ Lyrae) is the second brightest star in the northern constellation of Lyra. It has the traditional names Sulafat (Sulaphat), from the Arabic السلحفاة al-sulḥafāt "turtle", and Jugum, from the Latin iugum "yoke". The connection with turtles is that fine harps were traditionally made of tortoiseshell. The apparent visual magnitude of Sulafat is 3.3, which is readily visible to the naked eye. Parallax measurements yield an estimated distance of 620 light-years (190 parsecs) from the Earth.This is a giant star with a stellar classification of B9 III, indicating it has exhausted the supply of hydrogen at its core and evolved away from the main sequence. The effective temperature of the outer envelope of this star is 10,080 K, giving it the blue-white hue typical of a B-type star. The interferometry-measured angular diameter of this star is 0.74 ± 0.10 mas, which, at its estimated distance, equates to a physical radius of roughly 15 times the radius of the Sun.In 1909, Canadian astronomer Samuel A. Mitchell identified this star as a spectroscopic binary, although he was unable to split the absorption lines of the components. He found that a period of 25.6 days matched his measurements. It was reported as a spectroscopic binary as recently as 2001, but is now believed to be a single star with a high rate of rotation for stars of this type.In China, 漸台 (Jiāntāi), meaning Clepsydra Terrace, refers to an asterism consisting of this star, δ2 Lyrae, β Lyrae and ι Lyrae. Consequently, γ Lyrae itself is known as 漸台三 (Jiāntāisān, English: the Third Star of Clepsydra Terrace.)".
• Gamma_Lyrae thumbnail Lyra_IAU.svg?width=300.
• Gamma_Lyrae wikiPageExternalLink sulafat.html.
• Gamma_Lyrae wikiPageID "2727474".
• Gamma_Lyrae wikiPageLength "9951".
• Gamma_Lyrae wikiPageOutDegree "34".
• Gamma_Lyrae wikiPageRevisionID "683569376".
• Gamma_Lyrae wikiPageWikiLink Absorption_line.
• Gamma_Lyrae wikiPageWikiLink Angular_diameter.
• Gamma_Lyrae wikiPageWikiLink Apparent_magnitude.
• Gamma_Lyrae wikiPageWikiLink Apparent_visual_magnitude.
• Gamma_Lyrae wikiPageWikiLink Beta_Lyrae.
• Gamma_Lyrae wikiPageWikiLink Binary_star.
• Gamma_Lyrae wikiPageWikiLink Bright_Star_Catalogue.
• Gamma_Lyrae wikiPageWikiLink Catalogues_of_Fundamental_Stars.
• Gamma_Lyrae wikiPageWikiLink Category:Bayer_objects.
• Gamma_Lyrae wikiPageWikiLink Category:Lyra_(constellation).
• Gamma_Lyrae wikiPageWikiLink Category:Stars_with_proper_names.
• Gamma_Lyrae wikiPageWikiLink Constellation.
• Gamma_Lyrae wikiPageWikiLink Delta2_Lyrae.
• Gamma_Lyrae wikiPageWikiLink Earth.
• Gamma_Lyrae wikiPageWikiLink Effective_temperature.
• Gamma_Lyrae wikiPageWikiLink FK5.
• Gamma_Lyrae wikiPageWikiLink Giant_star.
• Gamma_Lyrae wikiPageWikiLink Harvard_Revised_catalogue.
• Gamma_Lyrae wikiPageWikiLink Henry_Draper_Catalogue.
• Gamma_Lyrae wikiPageWikiLink Henry_Draper_catalogue.
• Gamma_Lyrae wikiPageWikiLink Interferometry.
• Gamma_Lyrae wikiPageWikiLink Iota_Lyrae.
• Gamma_Lyrae wikiPageWikiLink Latin.
• Gamma_Lyrae wikiPageWikiLink List_of_stars_in_Lyra.
• Gamma_Lyrae wikiPageWikiLink Lyra.
• Gamma_Lyrae wikiPageWikiLink Main_sequence.
• Gamma_Lyrae wikiPageWikiLink Milliarcseconds.
• Gamma_Lyrae wikiPageWikiLink Minute_and_second_of_arc.
• Gamma_Lyrae wikiPageWikiLink Ox_(Chinese_constellation).
• Gamma_Lyrae wikiPageWikiLink Parallax.
• Gamma_Lyrae wikiPageWikiLink Samuel_Alfred_Mitchell.
• Gamma_Lyrae wikiPageWikiLink Solar_radius.
• Gamma_Lyrae wikiPageWikiLink Spectral_line.
• Gamma_Lyrae wikiPageWikiLink Spectroscopic_binary.
• Gamma_Lyrae wikiPageWikiLink Star.
• Gamma_Lyrae wikiPageWikiLink Stellar_classification.
• Gamma_Lyrae wikiPageWikiLink Stellar_evolution.
• Gamma_Lyrae wikiPageWikiLink Tortoiseshell.
• Gamma_Lyrae wikiPageWikiLink Tortoiseshell_material.
• Gamma_Lyrae wikiPageWikiLink File:Cercle_rouge_100%25.svg.
• Gamma_Lyrae wikiPageWikiLink File:Lyra_IAU.svg.
• Gamma_Lyrae wikiPageWikiLinkText "γ Lyr".
• Gamma_Lyrae wikiPageWikiLinkText "Gamma Lyrae".
• Gamma_Lyrae wikiPageWikiLinkText "Gamma".
• Gamma_Lyrae wikiPageWikiLinkText "Sulafat".
• Gamma_Lyrae wikiPageWikiLinkText "γ Lyr".
• Gamma_Lyrae wikiPageWikiLinkText "γ Lyrae".
• Gamma_Lyrae appmagV "3.261".
• Gamma_Lyrae bV "–0.047".
• Gamma_Lyrae class "B9 III".
• Gamma_Lyrae constell Lyra.
• Gamma_Lyrae epoch "J2000".
• Gamma_Lyrae gravity "3.5".
• Gamma_Lyrae hasPhotoCollection Gamma_Lyrae.
• Gamma_Lyrae metalFe "+0.11".
• Gamma_Lyrae pError "0.27".
• Gamma_Lyrae parallax "5.26".
• Gamma_Lyrae propMoDec "+1.11".
• Gamma_Lyrae propMoRa "–3.09".
• Gamma_Lyrae radialV "–21.1".
• Gamma_Lyrae radius "15".
• Gamma_Lyrae rotationalVelocity "71".
• Gamma_Lyrae temperature "10080".
• Gamma_Lyrae uB "–0.125".
• Gamma_Lyrae wikiPageUsesTemplate Template:Citation.
• Gamma_Lyrae wikiPageUsesTemplate Template:Convert.
• Gamma_Lyrae wikiPageUsesTemplate Template:Lang-en.
• Gamma_Lyrae wikiPageUsesTemplate Template:Reflist.
• Gamma_Lyrae wikiPageUsesTemplate Template:Starbox_astrometry.
• Gamma_Lyrae wikiPageUsesTemplate Template:Starbox_begin.
• Gamma_Lyrae wikiPageUsesTemplate Template:Starbox_catalog.
• Gamma_Lyrae wikiPageUsesTemplate Template:Starbox_character.
• Gamma_Lyrae wikiPageUsesTemplate Template:Starbox_detail.
• Gamma_Lyrae wikiPageUsesTemplate Template:Starbox_end.
• Gamma_Lyrae wikiPageUsesTemplate Template:Starbox_image.
• Gamma_Lyrae wikiPageUsesTemplate Template:Starbox_observe.
• Gamma_Lyrae wikiPageUsesTemplate Template:Stars_of_Lyra.
• Gamma_Lyrae subject Category:Bayer_objects.
• Gamma_Lyrae subject Category:Lyra_(constellation).
• Gamma_Lyrae subject Category:Stars_with_proper_names.
• Gamma_Lyrae hypernym Star.
• Gamma_Lyrae type Article.
• Gamma_Lyrae type CelestialBody.
• Gamma_Lyrae type Place.
• Gamma_Lyrae type Star.
• Gamma_Lyrae type Article.
• Gamma_Lyrae type Catalogue.
• Gamma_Lyrae type Location.
• Gamma_Lyrae type Place.
• Gamma_Lyrae type Thing.
• Gamma_Lyrae comment "Gamma Lyrae (γ Lyr, γ Lyrae) is the second brightest star in the northern constellation of Lyra. It has the traditional names Sulafat (Sulaphat), from the Arabic السلحفاة al-sulḥafāt "turtle", and Jugum, from the Latin iugum "yoke". The connection with turtles is that fine harps were traditionally made of tortoiseshell. The apparent visual magnitude of Sulafat is 3.3, which is readily visible to the naked eye.".
• Gamma_Lyrae label "Gamma Lyrae".
• Gamma_Lyrae sameAs السلحفاة_(نجم).

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