Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:02 
Transit: 12:56 
Sunset: 20:51
warning Set your observing location to get relevant data
Search  close
All Constellations » Boötes » 

31 Boötis

Below the horizon.  Rise: 17:08 | Tran: 23:47 | Set: 6:30
Alt: -13.71°   Az: 302.56°   Direction: West-North-West

31 Boötis is a variable giant star of spectral class G7 in the constellation of Boötes.

31 Boötis visual magnitude is 4.86. Because of its moderate brightness, 31 Boötis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of 31 Boötis star
DSS2 image of 31 Boötis. The red arrow shows the motion of 31 Boötis during the next 100000 years (-15.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

14h 42m 53s
+08° 03’ 15”
08h 16m 50s
22h 59m 44s

J2000

14h 41m 38s
+08° 09’ 42”

Galactic Coordinates

2.05°
57.76°

Finder Chart

loader
  Loading map...
Finder chart for 31 Boötis.

Magnitude, Color, Spectral Class

4.86
Giant

-1.38
G7III
4743K

The red dot in the diagram below shows where 31 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 31 Boötis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

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.

176.68
575.97
-22 km/s
-0.009 arcsec/y
0.003"/y

Alternative Designations

SAO120601
SAO120601

Visibility from Your Location

Today's 31 Boötis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.9°
Max altitude: 46.6°
Azimuth: 278.1°