WASP-58
WASP-58 is a binary star system in the constellation Lyra. It comprises a G-type main-sequence star and a red dwarf at a separation of. WASP-58 is slightly depleted in heavy elements, having 80% of the solar abundance of iron. The system is much older than the Sun at 12.80 billion years. Based on parallax measurements, it lies at a distance of.
Lithium was detected in the stellar spectrum of WASP-58A, making the star anomalous for its advanced age.
A multiplicity survey in 2015 detected a red dwarf stellar companion at a projected separation of 1.281″ to WASP-58A, and it was confirmed to be gravitationally bound in 2016.