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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:10 
Transit: 12:13 
Sunset: 17:18
wb_twilight   (Civil Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Ursa Major » 

ξ Ursae Majoris (xi Ursae Majoris)

Above the horizon.  Rise: 16:09 | Tran: 1:30 | Set: 10:47
Alt: 11.23°   Az: 52.89°   Direction: North-East

ξ Ursae Majoris is a variable and multiple hypergiant star of spectral class G0 in the constellation of Ursa Major.

ξ Ursae Majoris visual magnitude is 4.87. Because of its moderate brightness, ξ Ursae Majoris 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 ξ Ursae Majoris (xi Ursae Majoris) star
DSS2 image of ξ Ursae Majoris. The red arrow shows the motion of ξ Ursae Majoris during the next 1000 years (-7.20 arcmin in Right Ascension and -9.77 arcmin in declination);

Celestial Coordinates

Apparent

11h 19m 31s
+31° 23’ 29”
16h 25m 35s
03h 45m 07s

J2000

11h 18m 10s
+31° 31’ 45”

Galactic Coordinates

195.08°
69.25°

Finder Chart

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Finder chart for ξ Ursae Majoris (xi Ursae Majoris).

Magnitude, Color, Spectral Class

4.87
Hypergiant

4.78
G0V
10125K

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

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

Star System Properties

ξ Ursae Majoris is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the ξ Ursae Majoris double sysyem:

4.87
5.37
0.5
3.1 arcsec

Distance, Radial Speed, Proper Motion

ξ Ursae Majoris is distant 33.96 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

10.42
33.96
-16 km/s
-0.432 arcsec/y
-0.586"/y

Alternative Designations

ξ Ursae Majoris
(xi Ursae Majoris)
53 Ursae Majoris
SAO62484
SAO62484
Gl 423 B

Visibility from Your Location

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

Azimuth: 58.6°
Max altitude: 69.9°
Azimuth: 301.4°