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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations » Ursa Major » 

31 Ursae Majoris

Above the horizon.  Circumpolar today
Altitude: 11.7°   Azimuth: 353.2°   Direction: North

31 Ursae Majoris is a variable giant star of spectral class A3 in the constellation of Ursa Major.

31 Ursae Majoris visual magnitude is 5.27. Because of its faintness, 31 Ursae Majoris is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of 31 Ursae Majoris

Finder chart 31 Ursae Majoris star
Simplified finder chart for 31 Ursae Majoris.

31 Ursae Majoris is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 31 Ursae Majoris are provided in the following table:

09h 55m 42s
+49° 49’ 12”
Ursa Major
Image of 31 Ursae Majoris star
DSS2 image of 31 Ursae Majoris. The red arrow shows the motion of 31 Ursae Majoris during the next 10000 years (-0.50 arcmin in Right Ascension and 3.67 arcmin in declination);

Key facts about 31 Ursae Majoris


and has a luminosity class of III corresponding to a giant star.


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

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

Distance of 31 Ursae Majoris from the Sun and relative movement

31 Ursae Majoris is distant 222.53 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

68.26 pc
222.53 ly
-6 km/s
-0.003 arcsec/year
0.022 arcsec/year

Alternative designations of 31 Ursae Majoris

31 Ursae Majoris

Visibility of 31 Ursae Majoris from your location

31 Ursae Majoris is circumpolar and transits at 15:38 UTC (altitude: 88.3°)