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- Mu_Velorum abstract "Mu Velorum (μ Vel, μ Velorum) is a binary star system in the southern constellation Vela. The two stars orbit each other with a semi-major axis of 1.437 arcseconds and a period of 116.24 years. (Wulff-Dieter Heintz (1986) lists a period of 138 years with his orbital elements.) The pair have a combined apparent visual magnitude of 2.69, making the system readily visible to the naked eye. From parallax measurements, the distance to this system is estimated to be 117 light-years (36 parsecs). The system is about 360 million years old.The primary component is a giant star with an apparent magnitude of 2.7 and a stellar classification of G5 III. It is radiating about 107 times the luminosity of the Sun from an expanded atmosphere about 13 times the Sun's radius. The mass of this star is 3.3 times that of the Sun. In 1998, the Extreme Ultraviolet Explorer space telescope detected a strong flare that released an X-ray emission nearly equal to the output of the entire star. The quiescent X-ray luminosity of Mu Velorum A is about 1.7 × 1030 erg s–1.The fainter companion, Mu Velorum B, is a main sequence star with an apparent magnitude of 6.4 and an assigned stellar classification of G2V. However, this classification is suspect. Closer examination of the spectrum suggests the star may actually have a classification of F4V or F5V, which suggests a mass of about 1.5 times the mass of the Sun. Such stars typically do not show a marked level of magnetic activity.".
- Mu_Velorum thumbnail Vela_IAU.svg?width=300.
- Mu_Velorum wikiPageID "2728848".
- Mu_Velorum wikiPageRevisionID "592597492".
- Mu_Velorum ageMyr "360".
- Mu_Velorum appmagV "2.69".
- Mu_Velorum axis "1.427".
- Mu_Velorum bV "+0.90".
- Mu_Velorum class "G5III + G2V".
- Mu_Velorum component "μ Vel A".
- Mu_Velorum constell Vela_(constellation).
- Mu_Velorum eccentricity "0.84".
- Mu_Velorum epoch "J2000".
- Mu_Velorum gravity "2.75".
- Mu_Velorum hasPhotoCollection Mu_Velorum.
- Mu_Velorum inclination "57".
- Mu_Velorum luminosity "107".
- Mu_Velorum mass "3.3".
- Mu_Velorum node "59.1".
- Mu_Velorum pError "0.38".
- Mu_Velorum parallax "27.84".
- Mu_Velorum periarg "178".
- Mu_Velorum periastron "1951.1".
- Mu_Velorum period "138".
- Mu_Velorum propMoDec "–54.21".
- Mu_Velorum propMoRa "+63.22".
- Mu_Velorum radialV "+6.2".
- Mu_Velorum radius "13".
- Mu_Velorum rotationalVelocity "6.4".
- Mu_Velorum temperature "5047".
- Mu_Velorum uB "+0.57".
- Mu_Velorum subject Category:Bayer_objects.
- Mu_Velorum subject Category:Binary_stars.
- Mu_Velorum subject Category:G-type_giants.
- Mu_Velorum subject Category:G-type_main-sequence_stars.
- Mu_Velorum subject Category:Vela_(constellation).
- Mu_Velorum type Animal100015388.
- Mu_Velorum type BayerObjects.
- Mu_Velorum type BinaryStar109221070.
- Mu_Velorum type BinaryStars.
- Mu_Velorum type CelestialBody109239740.
- Mu_Velorum type G-typeGiants.
- Mu_Velorum type G-typeMainSequenceStars.
- Mu_Velorum type Giant101323781.
- Mu_Velorum type LivingThing100004258.
- Mu_Velorum type NaturalObject100019128.
- Mu_Velorum type Object100002684.
- Mu_Velorum type Organism100004475.
- Mu_Velorum type PhysicalEntity100001930.
- Mu_Velorum type Star109444100.
- Mu_Velorum type Whole100003553.
- Mu_Velorum type CelestialBody.
- Mu_Velorum type Star.
- Mu_Velorum type PhysicalBody.
- Mu_Velorum comment "Mu Velorum (μ Vel, μ Velorum) is a binary star system in the southern constellation Vela. The two stars orbit each other with a semi-major axis of 1.437 arcseconds and a period of 116.24 years. (Wulff-Dieter Heintz (1986) lists a period of 138 years with his orbital elements.) The pair have a combined apparent visual magnitude of 2.69, making the system readily visible to the naked eye. From parallax measurements, the distance to this system is estimated to be 117 light-years (36 parsecs).".
- Mu_Velorum label "Mu Velorum".
- Mu_Velorum label "Mu Velorum".
- Mu_Velorum label "Mu Velorum".
- Mu_Velorum label "Mu Velorum".
- Mu_Velorum label "Mu Velorum".
- Mu_Velorum label "Mu Velorum".
- Mu_Velorum label "My Velorum".
- Mu_Velorum label "海山增二".
- Mu_Velorum sameAs My_Velorum.
- Mu_Velorum sameAs Mu_Velorum.
- Mu_Velorum sameAs Mu_Velorum.
- Mu_Velorum sameAs Mu_Velorum.
- Mu_Velorum sameAs Mu_Velorum.
- Mu_Velorum sameAs Mu_Velorum.
- Mu_Velorum sameAs m.07_dpz.
- Mu_Velorum sameAs Q1536628.
- Mu_Velorum sameAs Q1536628.
- Mu_Velorum sameAs Mu_Velorum.
- Mu_Velorum wasDerivedFrom Mu_Velorum?oldid=592597492.
- Mu_Velorum depiction Vela_IAU.svg.
- Mu_Velorum isPrimaryTopicOf Mu_Velorum.
- Mu_Velorum name "Mu Velorum".