dimanche 29 juin 2008

Scorpius 5


Shaula


Lambda Scorpii


Shaula probably derives from the Arabic Al Shaulah, meaning "The Sting. This accurately describes the position of the star in the scorpion's sting.
Description of the Star
Shaula is a blue B2IV+B subgiant star. According to the The Bright Star Catalog, the star is a spectroscopic binary. The companion star orbits with a 5.6 day period.
Shaula is a short period variable of Beta Canis Majoris type with a period of 5.1 hours.

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