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- Psi_Ursae_Majoris abstract "Psi Ursae Majoris (Psi UMa, ψ Ursae Majoris, ψ UMa) is a star in the northern circumpolar constellation of Ursa Major. It has an apparent visual magnitude of +3.01, making it a third magnitude star and one of the brighter members of the constellation. Parallax measurements place it at a distance of 144.5 light-years (44.3 parsecs) from Earth. This is sufficiently close that the magnitude of the star is only reduced by 0.05 due to extinction. In Chinese astronomy, Psi Ursae Majoris is called Tien Tsan or Ta Tsun, "Extremely Honorable". The name was possibly derived from the word 太尊, Pinyin: Tàizūn, meaning Royals, because this star is marking itself and stand alone in Royals asterism, Purple Forbidden enclosure (see Chinese constellation).The spectrum of this star matches a stellar classification of K1 III, with the luminosity class of 'III' indicating this is an evolved giant star that has exhausted the supply of hydrogen at its core. As a consequence, it has expanded to around 20 times the radius of the Sun. It is radiating roughly 148 times the luminosity of the Sun from its enlarged outer envelope at an effective temperature of 4,520 K. At this heat, the star glows with the orange hue of a K-type star.Psi Ursae Majoris is a member of the thin disk population of the Milky Way. It is following an orbit through the galaxy with a low eccentricity of 0.02 that will carry it between 26.5–27.8 kly (8.1–8.5 kpc) from the Galactic Center. The low inclination of its orbit means the star will only stray 130 ly (40 pc) from the galactic plane.".
- Psi_Ursae_Majoris thumbnail Ursa_Major_IAU.svg?width=300.
- Psi_Ursae_Majoris wikiPageID "2705785".
- Psi_Ursae_Majoris wikiPageRevisionID "602431668".
- Psi_Ursae_Majoris appmagV "+3.01".
- Psi_Ursae_Majoris bV "+1.14".
- Psi_Ursae_Majoris class "K1 III".
- Psi_Ursae_Majoris constell Ursa_Major.
- Psi_Ursae_Majoris epoch Epoch_(astronomy).
- Psi_Ursae_Majoris equinox "J2000.0".
- Psi_Ursae_Majoris gravity "2.36".
- Psi_Ursae_Majoris hasPhotoCollection Psi_Ursae_Majoris.
- Psi_Ursae_Majoris metalFe "–0.13 to 0.16".
- Psi_Ursae_Majoris pError "0.14".
- Psi_Ursae_Majoris parallax "22.57".
- Psi_Ursae_Majoris propMoDec "–27.41".
- Psi_Ursae_Majoris propMoRa "–62.02".
- Psi_Ursae_Majoris radialV "–3.39".
- Psi_Ursae_Majoris rotationalVelocity "5.5".
- Psi_Ursae_Majoris temperature "4520".
- Psi_Ursae_Majoris uB "+1.12".
- Psi_Ursae_Majoris subject Category:Bayer_objects.
- Psi_Ursae_Majoris subject Category:K-type_giants.
- Psi_Ursae_Majoris subject Category:Ursa_Major_(constellation).
- Psi_Ursae_Majoris type Animal100015388.
- Psi_Ursae_Majoris type BayerObjects.
- Psi_Ursae_Majoris type Giant101323781.
- Psi_Ursae_Majoris type K-typeGiants.
- Psi_Ursae_Majoris type LivingThing100004258.
- Psi_Ursae_Majoris type Object100002684.
- Psi_Ursae_Majoris type Organism100004475.
- Psi_Ursae_Majoris type PhysicalEntity100001930.
- Psi_Ursae_Majoris type Whole100003553.
- Psi_Ursae_Majoris type CelestialBody.
- Psi_Ursae_Majoris type Star.
- Psi_Ursae_Majoris type PhysicalBody.
- Psi_Ursae_Majoris comment "Psi Ursae Majoris (Psi UMa, ψ Ursae Majoris, ψ UMa) is a star in the northern circumpolar constellation of Ursa Major. It has an apparent visual magnitude of +3.01, making it a third magnitude star and one of the brighter members of the constellation. Parallax measurements place it at a distance of 144.5 light-years (44.3 parsecs) from Earth. This is sufficiently close that the magnitude of the star is only reduced by 0.05 due to extinction.".
- Psi_Ursae_Majoris label "Psi Ursae Majoris".
- Psi_Ursae_Majoris label "Psi Ursae Majoris".
- Psi_Ursae_Majoris label "Psi Ursae Majoris".
- Psi_Ursae_Majoris label "Psi Ursae Majoris".
- Psi_Ursae_Majoris label "Psi Ursae Majoris".
- Psi_Ursae_Majoris label "Psi Ursae Majoris".
- Psi_Ursae_Majoris label "Psi Ursae Majoris".
- Psi_Ursae_Majoris label "Ta Tsun".
- Psi_Ursae_Majoris label "おおぐま座プサイ星".
- Psi_Ursae_Majoris label "太尊".
- Psi_Ursae_Majoris sameAs Psi_Ursae_Majoris.
- Psi_Ursae_Majoris sameAs Psi_Ursae_Majoris.
- Psi_Ursae_Majoris sameAs Psi_Ursae_Majoris.
- Psi_Ursae_Majoris sameAs Ta_Tsun.
- Psi_Ursae_Majoris sameAs おおぐま座プサイ星.
- Psi_Ursae_Majoris sameAs 큰곰자리_프시.
- Psi_Ursae_Majoris sameAs Psi_Ursae_Majoris.
- Psi_Ursae_Majoris sameAs Psi_Ursae_Majoris.
- Psi_Ursae_Majoris sameAs Psi_Ursae_Majoris.
- Psi_Ursae_Majoris sameAs m.07z4n4.
- Psi_Ursae_Majoris sameAs Q1204985.
- Psi_Ursae_Majoris sameAs Q1204985.
- Psi_Ursae_Majoris sameAs Psi_Ursae_Majoris.
- Psi_Ursae_Majoris wasDerivedFrom Psi_Ursae_Majoris?oldid=602431668.
- Psi_Ursae_Majoris depiction Ursa_Major_IAU.svg.
- Psi_Ursae_Majoris isPrimaryTopicOf Psi_Ursae_Majoris.
- Psi_Ursae_Majoris name "Psi Ursae Majoris".