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.
[5] Despite its advanced age, the star is rotating rapidly, being spun up by the tides raised by giant planet on close orbit.
[3] The star was named Chaophraya in December 2019 by the Thai amateur astronomers.
[6] In 2011 a transiting hot superjovian planet b (named Maeping in 2019[6]) was detected.
[5] In 2022 its albedo was found to be no more than 0.44, meaning that the planet reflects less than 44% of the light irradiated by its host star.