HD 137388 is a class K2IV (orange subgiant) star in the constellation Apus. Its apparent magnitude is 8.70 and it is approximately 128 light years away based on parallax.
It has a surface temperature of 5182 K and is 47% as luminous and 88% as massive as the Sun, with 85% of its diameter, and is thought to be around 7.4 ± 3.9 billion years old.
Radial velocity studies indicate that it has a planet, b (mass 0.223 MJ, period 330d). It orbits at an average distance of 0.89 AU.
References
HD 137388 Wikipedia(Text) CC BY-SA