WASP-50 is a G-type main-sequence star about 594 light-years away. The star is older than the Sun and slightly depleted in heavy elements compared to the Sun, and has a close to average starspot activity. Despite its advanced age, the star is rotating rapidly, being spun up by the tides raised by giant planet on close orbit.
The star was named Chaophraya in December 2019 by the Thai amateur astronomers.[1]
In 2011 a transiting hot superjovian planet b (named Maeping in 2019[1]) was detected. It has an equilibrium temperature of 1405 K.