Omicron Coronae Borealis

It is a faint star but visible to the naked eye on a dark night with an apparent visual magnitude of +5.53.

[2] The annual parallax shift of the star as seen from Earth is 12.08 mas, which provides a distance estimate of around 270 light years.

[3] This indicates this is an evolved K-type giant star that has exhausted the hydrogen at its core and has left the main sequence.

[5] The planet was detected by measuring changes in radial velocity of the host star caused by gravitational perturbation of the orbiting object.

It is orbiting with a period of 188 days, at a semimajor axis 83% of the mean separation between the Earth and the Sun, and an eccentricity of 0.19.