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• Kappa_Velorum abstract "Kappa Velorum (κ Vel, κ Velorum) is a binary star system in the southern constellation of Vela. It has the traditional name Markab, from the Arabic مركب, markab meaning "something to ride". It is often spelled Markeb to distinguish it from similarly named stars such as Alpha Pegasi. From parallax measurements, this system is located at a distance of roughly 572 light-years (175 parsecs) from the Earth. The apparent visual magnitude is 2.48, making it readily visible to the naked eye in the southern hemisphere.This is a spectroscopic binary system consisting of a pair of stars that complete an orbit around each other with a period of 116.65 days and an orbital eccentricity of 0.19. Because the individual stars have not been resolved, further details of the orbit have not yet been determined. The combined stellar classification of the pair is B2 IV, which matches the class of a B-type subgiant star that has exhausted the hydrogen at its core and begun to evolve into a giant. It has an estimated size of 6.9 times the Sun's radius.The star is only a couple of degrees from the south celestial pole of Mars, so it could therefore be considered the southern polar star of Mars.[citation needed] Due to precession of the equinoxes, it will be the closest bright star of note to the south celestial pole of Earth in the period surrounding 9000 AD.[citation needed]Analysis of the spectrum for Kappa Velorum shows absorption line features from the interstellar medium between the Earth and the star. Long term observation of these features has shown variations, possibly caused by the transverse motion of an extended cloud extending 102–103 Astronomical Units.".
• Kappa_Velorum thumbnail Vela_IAU.svg?width=300.
• Kappa_Velorum wikiPageExternalLink markeb.html.
• Kappa_Velorum wikiPageExternalLink Astronomy.html.
• Kappa_Velorum wikiPageID "2728828".
• Kappa_Velorum wikiPageRevisionID "601995197".
• Kappa_Velorum appmagV "2.48".
• Kappa_Velorum bV "–0.20".
• Kappa_Velorum class "B2 IV".
• Kappa_Velorum constell Vela_(constellation).
• Kappa_Velorum eccentricity "0.19".
• Kappa_Velorum epoch "J2000".
• Kappa_Velorum hasPhotoCollection Kappa_Velorum.
• Kappa_Velorum k "46.5".
• Kappa_Velorum pError "0.3".
• Kappa_Velorum parallax "5.7".
• Kappa_Velorum periodUnitless "1.007856E7".
• Kappa_Velorum propMoDec "+11.52".
• Kappa_Velorum propMoRa "–11.40".
• Kappa_Velorum radialV "21.9".
• Kappa_Velorum uB "–0.78".
• Kappa_Velorum subject Category:B-type_subgiants.
• Kappa_Velorum subject Category:Bayer_objects.
• Kappa_Velorum subject Category:HR_objects.
• Kappa_Velorum subject Category:Henry_Draper_Catalogue_objects.
• Kappa_Velorum subject Category:Hipparcos_objects.
• Kappa_Velorum subject Category:Spectroscopic_binaries.
• Kappa_Velorum subject Category:Vela_(constellation).
• Kappa_Velorum type BayerObjects.
• Kappa_Velorum type BinaryStar109221070.
• Kappa_Velorum type CelestialBody109239740.
• Kappa_Velorum type HIPObjects.
• Kappa_Velorum type HRObjects.
• Kappa_Velorum type HenryDraperCatalogueObjects.
• Kappa_Velorum type NaturalObject100019128.
• Kappa_Velorum type Object100002684.
• Kappa_Velorum type PhysicalEntity100001930.
• Kappa_Velorum type SpectroscopicBinaries.
• Kappa_Velorum type Star109444100.
• Kappa_Velorum type Whole100003553.
• Kappa_Velorum type CelestialBody.
• Kappa_Velorum type Star.
• Kappa_Velorum type PhysicalBody.
• Kappa_Velorum comment "Kappa Velorum (κ Vel, κ Velorum) is a binary star system in the southern constellation of Vela. It has the traditional name Markab, from the Arabic مركب, markab meaning "something to ride". It is often spelled Markeb to distinguish it from similarly named stars such as Alpha Pegasi. From parallax measurements, this system is located at a distance of roughly 572 light-years (175 parsecs) from the Earth.".
• Kappa_Velorum label "Kappa Velorum".
• Kappa_Velorum label "Kappa Velorum".
• Kappa_Velorum label "Kappa Velorum".
• Kappa_Velorum label "Kappa Velorum".
• Kappa_Velorum label "Kappa Velorum".
• Kappa_Velorum label "Kappa Velorum".
• Kappa_Velorum label "Kappa Velorum".
• Kappa_Velorum label "Markeb".
• Kappa_Velorum label "ほ座カッパ星".
• Kappa_Velorum label "天社五".
• Kappa_Velorum sameAs Kappa_Velorum.
• Kappa_Velorum sameAs Kappa_Velorum.
• Kappa_Velorum sameAs Kappa_Velorum.
• Kappa_Velorum sameAs Kappa_Velorum.
• Kappa_Velorum sameAs ほ座カッパ星.
• Kappa_Velorum sameAs 돛자리_카파.
• Kappa_Velorum sameAs Kappa_Velorum.
• Kappa_Velorum sameAs Markeb.
• Kappa_Velorum sameAs Kappa_Velorum.
• Kappa_Velorum sameAs m.07_dlj.
• Kappa_Velorum sameAs Q14259.
• Kappa_Velorum sameAs Q14259.
• Kappa_Velorum sameAs Kappa_Velorum.
• Kappa_Velorum wasDerivedFrom Kappa_Velorum?oldid=601995197.
• Kappa_Velorum depiction Vela_IAU.svg.
• Kappa_Velorum isPrimaryTopicOf Kappa_Velorum.
• Kappa_Velorum name "Kappa Velorum".