Tags: Star.
34 Boötis or W Boötis is a star in the constellation Boötes.34 Boötis is a M-type red giant with a mean apparent magnitude of +4.80. It is approximately 890 light years from Earth. It is classified as a semiregular variable star and its brightness varies from magnitude +4.73 to +5.4 with a period of 450 days.