Omega Boötis
Omega Boötis is a solitary, orange-hued star in the northern constellation of Boötes. Its name is a Bayer designation that is Latinized from ω Boötis, and abbreviated Omega Boo or ω Boo. This is a dim star but visible to the naked eye with an apparent visual magnitude of +4.82. Based upon an annual parallax shift of as seen from the Earth, it is located about from the Sun. The star is drifting further away with a radial velocity of +12.5 km/s.
This star is three billion years old with a stellar classification of K4 III, matching an evolved K-type giant star that has consume the supply of hydrogen at its core. It has an estimated 1.65 times the mass of the Sun and has expanded to 39 times the Sun's radius. The star is radiating 340 times the Sun's luminosity from its photosphere at an effective temperature of about 3,994 K.