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Beta Cruz
Multiple star system aged around 8 to 11 millions of years. Distant of 280 light years.
component A with magnitude of 1.25, compoment A1 is spectographic and component B with magnitude 11.40. There are reference to component C only optic with distance of 370 arcseconds from main star.
Separation between A and B is 42.6 arcseconds and angular positon of 326 degrees in year 2000.
Component A is pulsating variable star, cephei type, with variation of hundredth each 4 hours.
Component A1 has orbital period of 5 years and has distance of 5.4 to 12 A. U. from main component.
component B has orbital period of 55,000 years.
A new star in inicial stage of formation was discovered by Chandra X-ray and it is not visible.
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