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- Alpha_Ursae_Majoris abstract "Alpha Ursae Majoris (Alpha UMa, α Ursae Majoris, α UMa) is the second-brightest star in the constellation of Ursa Major (despite its Bayer designation of "alpha"). It has the traditional name Dubhe, and a rarer name Ak.This star forms part of the Big Dipper (also known as the Plough or the Great Bear), and is the northern of the 'pointers' (or 'guards'), the two stars of Ursa Major which point towards Polaris, the North Star. Dubhe is about 123 light years away and is a giant star that has evolved away from the main sequence after consuming the hydrogen at its core. It is a spectroscopic binary with a main sequence companion α UMa B that has a stellar classification of K0V. The companion star orbits at a mean separation of about 23 astronomical units (AU) and completes an orbit every 44.4 years. More than 8,000 AU distant from this pair is a second binary system that includes an F-type star, making this a four star system.Although it is part of the constellation of Ursa Major, it does not form part of the Ursa Major Moving Group of stars that have a common motion through space.[citation needed]".
- Alpha_Ursae_Majoris thumbnail Ursa_Major_constellation_map.svg?width=300.
- Alpha_Ursae_Majoris wikiPageID "1118081".
- Alpha_Ursae_Majoris wikiPageRevisionID "594177393".
- Alpha_Ursae_Majoris appmagV "1.79".
- Alpha_Ursae_Majoris axis "0.603".
- Alpha_Ursae_Majoris bV "+1.07".
- Alpha_Ursae_Majoris class "K1 II-III / K0 V".
- Alpha_Ursae_Majoris component "α UMa A".
- Alpha_Ursae_Majoris constell Ursa_Major.
- Alpha_Ursae_Majoris eccentricity "0.4".
- Alpha_Ursae_Majoris epoch "J2000".
- Alpha_Ursae_Majoris gravity "2.46".
- Alpha_Ursae_Majoris hasPhotoCollection Alpha_Ursae_Majoris.
- Alpha_Ursae_Majoris inclination "152".
- Alpha_Ursae_Majoris name "α UMa B".
- Alpha_Ursae_Majoris node "2000".
- Alpha_Ursae_Majoris pError "0.48".
- Alpha_Ursae_Majoris parallax "26.54".
- Alpha_Ursae_Majoris periastron "1956.8".
- Alpha_Ursae_Majoris period "44.4".
- Alpha_Ursae_Majoris propMoDec "–34.70".
- Alpha_Ursae_Majoris propMoRa "–134.11".
- Alpha_Ursae_Majoris radialV "–9".
- Alpha_Ursae_Majoris temperature "4660".
- Alpha_Ursae_Majoris uB "+0.93".
- Alpha_Ursae_Majoris variable "Pulsating".
- Alpha_Ursae_Majoris subject Category:Bayer_objects.
- Alpha_Ursae_Majoris subject Category:Double_stars.
- Alpha_Ursae_Majoris subject Category:F-type_main-sequence_stars.
- Alpha_Ursae_Majoris subject Category:K-type_giants.
- Alpha_Ursae_Majoris subject Category:Stars_with_proper_names.
- Alpha_Ursae_Majoris subject Category:Symbols_of_Utah.
- Alpha_Ursae_Majoris subject Category:Triple_star_systems.
- Alpha_Ursae_Majoris subject Category:Ursa_Major_(constellation).
- Alpha_Ursae_Majoris type Animal100015388.
- Alpha_Ursae_Majoris type BayerObjects.
- Alpha_Ursae_Majoris type BinaryStar109221070.
- Alpha_Ursae_Majoris type CelestialBody109239740.
- Alpha_Ursae_Majoris type DoubleStars.
- Alpha_Ursae_Majoris type F-typeMainSequenceStars.
- Alpha_Ursae_Majoris type Giant101323781.
- Alpha_Ursae_Majoris type K-typeGiants.
- Alpha_Ursae_Majoris type LivingThing100004258.
- Alpha_Ursae_Majoris type NaturalObject100019128.
- Alpha_Ursae_Majoris type Object100002684.
- Alpha_Ursae_Majoris type Organism100004475.
- Alpha_Ursae_Majoris type PhysicalEntity100001930.
- Alpha_Ursae_Majoris type Star109444100.
- Alpha_Ursae_Majoris type StarsWithProperNames.
- Alpha_Ursae_Majoris type Whole100003553.
- Alpha_Ursae_Majoris type CelestialBody.
- Alpha_Ursae_Majoris type Star.
- Alpha_Ursae_Majoris type PhysicalBody.
- Alpha_Ursae_Majoris comment "Alpha Ursae Majoris (Alpha UMa, α Ursae Majoris, α UMa) is the second-brightest star in the constellation of Ursa Major (despite its Bayer designation of "alpha"). It has the traditional name Dubhe, and a rarer name Ak.This star forms part of the Big Dipper (also known as the Plough or the Great Bear), and is the northern of the 'pointers' (or 'guards'), the two stars of Ursa Major which point towards Polaris, the North Star.".
- Alpha_Ursae_Majoris label "Alpha Ursae Majoris".
- Alpha_Ursae_Majoris label "Alpha Ursae Majoris".
- Alpha_Ursae_Majoris label "Alpha Ursae Majoris".
- Alpha_Ursae_Majoris label "Dubhe".
- Alpha_Ursae_Majoris label "Dubhe".
- Alpha_Ursae_Majoris label "Dubhe".
- Alpha_Ursae_Majoris label "Dubhe".
- Alpha_Ursae_Majoris label "Dubhe".
- Alpha_Ursae_Majoris label "Дубхе".
- Alpha_Ursae_Majoris label "الدبة (نجم)".
- Alpha_Ursae_Majoris label "おおぐま座アルファ星".
- Alpha_Ursae_Majoris label "天樞".
- Alpha_Ursae_Majoris sameAs Dubhe.
- Alpha_Ursae_Majoris sameAs Dubhe.
- Alpha_Ursae_Majoris sameAs Dubhe.
- Alpha_Ursae_Majoris sameAs Alpha_Ursae_Majoris.
- Alpha_Ursae_Majoris sameAs Alpha_Ursae_Majoris.
- Alpha_Ursae_Majoris sameAs Dubhe.
- Alpha_Ursae_Majoris sameAs おおぐま座アルファ星.
- Alpha_Ursae_Majoris sameAs 두베.
- Alpha_Ursae_Majoris sameAs Dubhe.
- Alpha_Ursae_Majoris sameAs Dubhe.
- Alpha_Ursae_Majoris sameAs Alpha_Ursae_Majoris.
- Alpha_Ursae_Majoris sameAs m.047l3c.
- Alpha_Ursae_Majoris sameAs Q13084.
- Alpha_Ursae_Majoris sameAs Q13084.
- Alpha_Ursae_Majoris sameAs Alpha_Ursae_Majoris.
- Alpha_Ursae_Majoris wasDerivedFrom Alpha_Ursae_Majoris?oldid=594177393.
- Alpha_Ursae_Majoris depiction Ursa_Major_constellation_map.svg.
- Alpha_Ursae_Majoris isPrimaryTopicOf Alpha_Ursae_Majoris.
- Alpha_Ursae_Majoris name "Alpha Ursae Majoris A/B".