WASP-58 is slightly depleted in heavy elements, having 80% of the solar abundance of iron.
[4] Lithium was detected in the stellar spectrum of WASP-58A, making the star anomalous for its advanced age.
[2] A multiplicity survey in 2015 did detect a red dwarf stellar companion[8] at a projected separation of 1.281±0.002″ to WASP-58A, and it was confirmed to be gravitationally bound in 2016.
[3] In 2012 a transiting hot Jupiter planet b was detected on a tight, circular orbit around the primary star WASP-58A.
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