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- Beta_Arae abstract "Beta Arae (β Ara, β Arae) is the brightest star in the constellation Ara, with an apparent visual magnitude of 2.8. Parallax measurements place it at a distance of roughly 650 light-years (200 parsecs) from Earth.The spectrum of this star matches a stellar classification of K3 Ib-IIa, with the luminosity class notation 'Ib-IIa' indicating that the star lies part way between a higher luminosity bright giant (IIa) and a lower luminosity supergiant (Ib). This represents two of the evolutionary stages that a massive star passes through after it has exhausted the hydrogen at its core. Beta Arae is radiating energy from its outer envelope at an effective temperature of 4,582 K, which causes it to take on the orange hue of a K-type star. This enlarged star appears to be rotating slowly with a projected rotational velocity of about 5 km s–1. The abundance of elements other than hydrogen and helium, what astronomer term the star's metallicity, is more than three times the abundance in the Sun.Rarely, this star is called by the name Vasat-ül-cemre in Turkish spelling, derived from Arabic word ﻭﺳﻂ (wasath) and ﺟﻤﻩﺮ (khamra), meaning "middle of fire". In Chinese, 杵 (Chǔ), meaning Pestle, refers to an asterism consisting of β Arae, σ Arae and α Arae. Consequently, β Arae itself is known as 杵三 (Chǔ sān, English: the Third Star of Pestle.)".
- Beta_Arae thumbnail Ara_IAU.svg?width=300.
- Beta_Arae wikiPageExternalLink AladinPreview?-c=17+25+17.9887-55+31+47.583&ident=*+bet+Ara&submit=Aladin+previewer.
- Beta_Arae wikiPageExternalLink betaara.html.
- Beta_Arae wikiPageExternalLink VizieR-S?HR%206461.
- Beta_Arae wikiPageID "2877751".
- Beta_Arae wikiPageRevisionID "602157835".
- Beta_Arae appmagV "2.84".
- Beta_Arae bV "+1.46".
- Beta_Arae class "K3 Ib-IIa".
- Beta_Arae constell Ara_(constellation).
- Beta_Arae epoch "J2000".
- Beta_Arae gravity "1.3".
- Beta_Arae hasPhotoCollection Beta_Arae.
- Beta_Arae metalFe "+0.50".
- Beta_Arae pError "0.64".
- Beta_Arae parallax "5.05".
- Beta_Arae propMoDec "−25.24".
- Beta_Arae propMoRa "−8.51".
- Beta_Arae temperature "4582".
- Beta_Arae uB "+1.56".
- Beta_Arae subject Category:Ara_(constellation).
- Beta_Arae subject Category:Bayer_objects.
- Beta_Arae subject Category:Henry_Draper_Catalogue_objects.
- Beta_Arae subject Category:K-type_bright_giants.
- Beta_Arae subject Category:K-type_supergiants.
- Beta_Arae type Animal100015388.
- Beta_Arae type BayerObjects.
- Beta_Arae type CelestialBody109239740.
- Beta_Arae type Giant101323781.
- Beta_Arae type HenryDraperCatalogueObjects.
- Beta_Arae type K-typeBrightGiants.
- Beta_Arae type K-typeSupergiants.
- Beta_Arae type LivingThing100004258.
- Beta_Arae type NaturalObject100019128.
- Beta_Arae type Object100002684.
- Beta_Arae type Organism100004475.
- Beta_Arae type PhysicalEntity100001930.
- Beta_Arae type Star109444100.
- Beta_Arae type Supergiant109450708.
- Beta_Arae type Whole100003553.
- Beta_Arae type CelestialBody.
- Beta_Arae type Star.
- Beta_Arae type PhysicalBody.
- Beta_Arae comment "Beta Arae (β Ara, β Arae) is the brightest star in the constellation Ara, with an apparent visual magnitude of 2.8. Parallax measurements place it at a distance of roughly 650 light-years (200 parsecs) from Earth.The spectrum of this star matches a stellar classification of K3 Ib-IIa, with the luminosity class notation 'Ib-IIa' indicating that the star lies part way between a higher luminosity bright giant (IIa) and a lower luminosity supergiant (Ib).".
- Beta_Arae label "Beta Arae".
- Beta_Arae label "Beta Arae".
- Beta_Arae label "Beta Arae".
- Beta_Arae label "Beta Arae".
- Beta_Arae label "Beta Arae".
- Beta_Arae label "Beta Arae".
- Beta_Arae label "さいだん座ベータ星".
- Beta_Arae label "天壇座β".
- Beta_Arae sameAs Beta_Arae.
- Beta_Arae sameAs Beta_Arae.
- Beta_Arae sameAs Beta_Arae.
- Beta_Arae sameAs Beta_Arae.
- Beta_Arae sameAs さいだん座ベータ星.
- Beta_Arae sameAs 제단자리_베타.
- Beta_Arae sameAs Beta_Arae.
- Beta_Arae sameAs Beta_Arae.
- Beta_Arae sameAs m.088lf4.
- Beta_Arae sameAs Q1196515.
- Beta_Arae sameAs Q1196515.
- Beta_Arae sameAs Beta_Arae.
- Beta_Arae wasDerivedFrom Beta_Arae?oldid=602157835.
- Beta_Arae depiction Ara_IAU.svg.
- Beta_Arae isPrimaryTopicOf Beta_Arae.
- Beta_Arae name "Beta Arae".