ο Boötis (omicron Boötis)
ο Boötis is a giant star in the constellation of Boötes.
ο Boötis visual magnitude is 4.6. Because of its moderate brightness, ο Boötis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of ο Boötis is -0.058 arcsec per year in Right Ascension and -0.049 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about ο Boötis
ο Boötis (omicron Boötis) is above the horizon from Greenwich, United Kingdom.
Altitude: 29.3°
Azimuth: 99.7°
Direction: East
Celestial coordinates and finder chart of ο Boötis
ο 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 ο Boötis are provided in the following table:
The simplified sky map below shows the position of ο Boötis in the sky:
Visibility of ο Boötis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's ο Boötis (omicron Boötis) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of ο Boötis from the Sun and relative movement
ο Boötis is distant 225.14 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.
Spectral properties of ο Boötis
ο Boötis belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where ο Boötis is situated in the Hertzsprung–Russell diagram.
