31 Boötis
31 Boötis is a variable giant star in the constellation of Boötes.
31 Boötis visual magnitude is 4.86. Because of its moderate brightness, 31 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 31 Boötis is -0.009 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Key facts about 31 Boötis
31 Boötis is above the horizon from Greenwich, United Kingdom .
Altitude: 2.5°
Azimuth: 280.0°
Direction: West
Celestial coordinates and finder chart of 31 Boötis
31 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 31 Boötis are provided in the following table:
The simplified sky map below shows the position of 31 Boötis in the sky:
Visibility of 31 Boötis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's 31 Boötis rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of 31 Boötis from the Sun and relative movement
31 Boötis is distant 575.97 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.
Spectral properties of 31 Boötis
31 Boötis belongs to spectral class G7 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where 31 Boötis is situated in the Hertzsprung–Russell diagram.
