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- Iota_Arae abstract "Iota Arae (ι Ara, ι Arae) is the Bayer designation for a star in the southern constellation of Ara. It is approximately 930 light-years (290 parsecs) from Earth, give or take a 70 light-year margin of error, and has an apparent visual magnitude of 5.25. Based upon the Bortle Dark-Sky Scale, this means the star is visible to the naked eye from suburban skies.This is an evolved giant star with a stellar classification of B2 IIIne. The 'e' notation indicates the spectrum displays emission lines, which means this is a Be star that is surrounded by hot, circumstellar gas. It is spinning rapidly with a projected rotational velocity of 375 km/s. The Doppler effect from this rotation is causing the absorption lines to widen and become nebulous, as indicated by the 'n' notation in the stellar class.Iota Arae has around 8.3 times the mass of the Sun and is shining brightly with 5,740 times the Sun's luminosity. This energy is being radiated into space from the outer atmosphere at an effective temperature of 21,380 K, giving it the characteristic blue-white hue of a B-type star. It is classified as a Gamma Cassiopeiae-type variable star and its brightness varies by 0.054 in magnitude.".
- Iota_Arae thumbnail Ara_IAU.svg?width=300.
- Iota_Arae wikiPageExternalLink AladinPreview?-c=*+iot+Ara&ident=*+iot+Ara&submit=Aladin+previewer.
- Iota_Arae wikiPageExternalLink VizieR-S?CCDM%20J17233-4728A.
- Iota_Arae wikiPageExternalLink VizieR-S?HR%206451.
- Iota_Arae wikiPageID "2878528".
- Iota_Arae wikiPageRevisionID "601983544".
- Iota_Arae appmagV "5.245".
- Iota_Arae bV "–0.11".
- Iota_Arae class "B2 IIIne".
- Iota_Arae constell Ara_(constellation).
- Iota_Arae epoch "J2000".
- Iota_Arae gravity "4.1".
- Iota_Arae hasPhotoCollection Iota_Arae.
- Iota_Arae luminosityBolometric "5740".
- Iota_Arae pError "0.26".
- Iota_Arae parallax "3.49".
- Iota_Arae propMoDec "–17.59".
- Iota_Arae propMoRa "–4.35".
- Iota_Arae rI "–0.08".
- Iota_Arae radialV "–19".
- Iota_Arae rotationalVelocity "375".
- Iota_Arae temperature "21380".
- Iota_Arae uB "–0.82".
- Iota_Arae variable Shell_star.
- Iota_Arae subject Category:Ara_(constellation).
- Iota_Arae subject Category:B-type_giants.
- Iota_Arae subject Category:Bayer_objects.
- Iota_Arae subject Category:Henry_Draper_Catalogue_objects.
- Iota_Arae subject Category:Shell_stars.
- Iota_Arae type Animal100015388.
- Iota_Arae type B-typeGiants.
- Iota_Arae type BayerObjects.
- Iota_Arae type CelestialBody109239740.
- Iota_Arae type Giant101323781.
- Iota_Arae type HenryDraperCatalogueObjects.
- Iota_Arae type LivingThing100004258.
- Iota_Arae type NaturalObject100019128.
- Iota_Arae type Object100002684.
- Iota_Arae type Organism100004475.
- Iota_Arae type PhysicalEntity100001930.
- Iota_Arae type ShellStars.
- Iota_Arae type Star109444100.
- Iota_Arae type Whole100003553.
- Iota_Arae type CelestialBody.
- Iota_Arae type Star.
- Iota_Arae type PhysicalBody.
- Iota_Arae comment "Iota Arae (ι Ara, ι Arae) is the Bayer designation for a star in the southern constellation of Ara. It is approximately 930 light-years (290 parsecs) from Earth, give or take a 70 light-year margin of error, and has an apparent visual magnitude of 5.25. Based upon the Bortle Dark-Sky Scale, this means the star is visible to the naked eye from suburban skies.This is an evolved giant star with a stellar classification of B2 IIIne.".
- Iota_Arae label "Iota Arae".
- Iota_Arae label "Iota Arae".
- Iota_Arae label "Iota Arae".
- Iota_Arae label "Iota Arae".
- Iota_Arae label "天壇座ι".
- Iota_Arae sameAs Iota_Arae.
- Iota_Arae sameAs Iota_Arae.
- Iota_Arae sameAs Iota_Arae.
- Iota_Arae sameAs m.088nfp.
- Iota_Arae sameAs Q2545602.
- Iota_Arae sameAs Q2545602.
- Iota_Arae sameAs Iota_Arae.
- Iota_Arae wasDerivedFrom Iota_Arae?oldid=601983544.
- Iota_Arae depiction Ara_IAU.svg.
- Iota_Arae isPrimaryTopicOf Iota_Arae.
- Iota_Arae name "Iota Arae".