υ Boötis (upsilon Boötis)
υ Boötis is a variable giant star in the constellation of Boötes.
υ Boötis visual magnitude is 4.07. Because of its moderate brightness, υ Boötis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The proper motion of υ Boötis is -0.095 arcsec per year in Right Ascension and 0.042 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about υ Boötis
Celestial coordinates and finder chart of υ Boötis
υ Boötis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of υ Boötis are provided in the following table:
The simplified sky map below shows the position of υ Boötis in the sky:
Visibility of υ Boötis from your location
Today's υ Boötis (upsilon Boötis) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of υ Boötis from the Sun and relative movement
υ Boötis is distant 245.30 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.
Spectral properties of υ Boötis
υ Boötis belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where υ Boötis is situated in the Hertzsprung–Russell diagram.