Tau Librae is a binary star system that is visible from Earth. It is located in the constellation Libra and is located about 68 light years away from our planet. It is also known by different synonyms, one of which is HD 133056. This binary star system is composed of two stars, with the primary star having a mass similar to that of the Sun. Other synonyms for Tau Librae include HR 5590, SAO 159770, and HIP 73689. These synonyms refer to different catalogs that list and classify stars based on their location, brightness, and other properties. Knowing these synonyms can help astronomers and stargazers in identifying and studying specific stars in the sky.