description Meridiana Overview
Meridiana is the official proper name approved by the International Astronomical Union for Alpha Coronae Australis, the brightest star in the southern constellation Corona Australis. Located roughly 130 light-years from Earth, it is a white A-type star and part of a binary system. The name distinguishes it from similarly named stars and refers to its position in the Southern Crown.
help Meridiana FAQ
Is Meridiana the same star as Alphekka Meridiana?
Yes. Meridiana is the IAU-approved proper name of Alpha Coronae Australis, and Alphekka Meridiana is the traditional longer name for the same star.
Where is Meridiana in the sky?
Meridiana is the brightest star in Corona Australis, the Southern Crown, near the Sagittarius region of the southern sky. The IAU approved the name for Alpha Coronae Australis on 5 September 2017.
How far away and what kind of star is Meridiana?
It is a white A-type star in a binary system at roughly 130 light-years from Earth. Its Bayer designation, Alpha Coronae Australis, identifies it as the brightest star in that constellation.
Why do astronomy catalogs show both Meridiana and Alpha Coronae Australis?
Alpha Coronae Australis is the Bayer designation, while Meridiana is the approved proper name. Both labels refer to the same object, just as Gamma Capricorni and Nashira refer to one star in Capricornus.
explore Explore More
Similar to Meridiana
ui.x_see_all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
