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- Mu_Centauri abstract "Mu Centauri (μ Cen, μ Centauri) is a third-magnitude star in the southern constellation of Centaurus. With the stars ν and φ Centauri, it marks what has been traditionally portrayed as "dextro Latere" (the right side) of the Centaur.[1] The apparent visual magnitude of this star is 3.42, making it one of the brighter members of the constellation. The distance to this star can be estimated directly using parallax measurements, which yield a value of roughly 510 light years (155 parsecs) from Earth.The spectrum of Mu Centauri matches a stellar classification of B2 IV-Ve. The 'e' suffix is used to mark the presence of emission lines, which indicates this is a Be star surrounded by a circumstellar disk of hot gas that was formed from material ejected from the star. Mu Centauri is a pulsating variable star that has multiple non-radial cycles with a primary period of 0.503 days. Three other pulsation cycles have a similar period, while two have a shorter interval of about 0.28 days. It undergoes outburst events that result in the transfer of additional material to the surrounding disk. During these outbursts, the star can experience transient periodicities. Mu Centauri is classified as a Gamma Cassiopeiae type[citation needed] variable star and its brightness varies from magnitude +2.75 to +3.25.This star is spinning rapidly, with a projected rotational velocity of 194, km s−1 and is completing a full rotation in about 11.615 hours. The equatorial azimuthal velocity is around 85% of the critical velocity where the star would start to break up, resulting a pronounced equatorial bulge that is about 26% wider than the radius at the poles. Because of the oblate spheroidal shape of this star, the polar region is at a higher temperature than the equator—23,000 K versus 17,600 K respectively. Likewise, the gravitational force at the poles is greater than along the equator. The axis of rotation of the star is tilted by an angle of about (19 ± 3)° to the line of sight from the Earth.At an estimated age of nearly 20 million years, this star is around 55–65% of the way through its evolutionary period on the main sequence of core hydrogen burning stars. It has around nine times the mass of the Sun and four times the Sun's radius, but emits over 2,000 times as much energy as the Sun. The outer atmosphere has a mean effective temperature of 22,410 K, giving the star a blue-white hue.This star is a proper motion member of the Upper-Centaurus Lupus sub-group in theScorpius-Centaurus OB association,the nearest such co-moving association of massive stars to the Sun.".
- Mu_Centauri thumbnail Centaurus_IAU.svg?width=300.
- Mu_Centauri wikiPageExternalLink almagest.html.
- Mu_Centauri wikiPageID "5111162".
- Mu_Centauri wikiPageRevisionID "602280639".
- Mu_Centauri bV "−0.205".
- Mu_Centauri class "B2 IV-Ve".
- Mu_Centauri constell Centaurus.
- Mu_Centauri epoch Epoch_(astronomy).
- Mu_Centauri hasPhotoCollection Mu_Centauri.
- Mu_Centauri luminosity "2089".
- Mu_Centauri pError "0.16".
- Mu_Centauri parallax "6.45".
- Mu_Centauri propMoDec "−18.64".
- Mu_Centauri propMoRa "−24.25".
- Mu_Centauri radialV "+9.1".
- Mu_Centauri rotationalVelocity "194".
- Mu_Centauri temperature "22410".
- Mu_Centauri uB "−0.854".
- Mu_Centauri variable "γ Cas".
- Mu_Centauri subject Category:B-type_subgiants.
- Mu_Centauri subject Category:Bayer_objects.
- Mu_Centauri subject Category:Centaurus_(constellation).
- Mu_Centauri subject Category:Shell_stars.
- Mu_Centauri type BayerObjects.
- Mu_Centauri type CelestialBody109239740.
- Mu_Centauri type NaturalObject100019128.
- Mu_Centauri type Object100002684.
- Mu_Centauri type PhysicalEntity100001930.
- Mu_Centauri type ShellStars.
- Mu_Centauri type Star109444100.
- Mu_Centauri type Whole100003553.
- Mu_Centauri type CelestialBody.
- Mu_Centauri type Star.
- Mu_Centauri type PhysicalBody.
- Mu_Centauri comment "Mu Centauri (μ Cen, μ Centauri) is a third-magnitude star in the southern constellation of Centaurus. With the stars ν and φ Centauri, it marks what has been traditionally portrayed as "dextro Latere" (the right side) of the Centaur.[1] The apparent visual magnitude of this star is 3.42, making it one of the brighter members of the constellation.".
- Mu_Centauri label "Mi Centauri".
- Mu_Centauri label "Mu Centauri".
- Mu_Centauri label "Mu Centauri".
- Mu_Centauri label "Mu Centauri".
- Mu_Centauri label "Mu Centauri".
- Mu_Centauri label "Mu Centauri".
- Mu_Centauri label "衡二".
- Mu_Centauri sameAs Mu_Centauri.
- Mu_Centauri sameAs Mu_Centauri.
- Mu_Centauri sameAs Mu_Centauri.
- Mu_Centauri sameAs Mu_Centauri.
- Mu_Centauri sameAs Mu_Centauri.
- Mu_Centauri sameAs Mi_Centauri.
- Mu_Centauri sameAs Mu_Centauri.
- Mu_Centauri sameAs m.0d33st.
- Mu_Centauri sameAs Q2357648.
- Mu_Centauri sameAs Q2357648.
- Mu_Centauri sameAs Mu_Centauri.
- Mu_Centauri wasDerivedFrom Mu_Centauri?oldid=602280639.
- Mu_Centauri depiction Centaurus_IAU.svg.
- Mu_Centauri isPrimaryTopicOf Mu_Centauri.
- Mu_Centauri name "Mu Centauri".
