WASP-57 is a single G-type main-sequence star about 1310 light-years away.
WASP-57 is depleted in heavy elements, having 55% of the solar abundance of iron.
[5] A multiplicity survey in 2015 did not detect any stellar companions to WASP-57.
[6] In 2012 a transiting hot Jupiter planet b was detected on a tight, circular orbit around WASP-57.
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