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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:27 
Transit: 12:57 
Sunset: 19:26
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All Constellations » Ursa Major » 

Alula Australis - ξ Ursae Majoris (xi Ursae Majoris)

Below the horizon.  Rise: 3:46 | Tran: 13:03 | Set: 22:20
Alt: -3.11°   Az: 334.96°   Direction: North-North-West

Alula Australis, also designated as ξ Ursae Majoris (xi Ursae Majoris), is a variable and multiple hypergiant star of spectral class G0 in the constellation of Ursa Major.

Alula Australis visual magnitude is 4.41. Because of its moderate brightness, Alula Australis 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 Alula Australis - ξ Ursae Majoris (xi Ursae Majoris) star
DSS2 image of Alula Australis. The red arrow shows the motion of Alula Australis during the next 1000 years (-7.17 arcmin in Right Ascension and -9.77 arcmin in declination);

Celestial Coordinates

Apparent

11h 19m 30s
+31° 23’ 38”
10h 01m 18s
21h 20m 48s

J2000

11h 18m 11s
+31° 31’ 45”

Galactic Coordinates

195.08°
69.25°

Finder Chart

Finder chart Alula Australis - ξ Ursae Majoris (xi Ursae Majoris) star
Simplified finder chart for Alula Australis - ξ Ursae Majoris (xi Ursae Majoris).

Magnitude, Color, Spectral Class

4.41
Hypergiant

4.32
G0V
6007K

The red dot in the diagram below shows where Alula Australis is situated in the Hertzsprung–Russell diagram.

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

Star System Properties

Alula Australis 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 Alula Australis double sysyem:

4.41
4.91
0.5
3.1 arcsec

Distance, Radial Speed, Proper Motion

Alula Australis 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
-0.43 arcsec/y
-0.586"/y

Alternative Designations

Alula Australis
ξ Ursae Majoris
(xi Ursae Majoris)
53 Ursae Majoris
SAO62484
SAO62484
Gl 423 A

Visibility from Your Location

Today's Alula Australis - 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°