HD 133131 is a binary star in the constellation of Libra.
[2] It consists of two G-type main-sequence stars;[2] neither are bright enough to be seen with the naked eye.
Both components, HD 133131 A and B, are very similar to the Sun but are far older, about 6 billion years old.
[2] This binary or multiple star system–related article is a stub.
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