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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:14 
Transit: 12:14 
Sunset: 17:14
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All Constellations » Ursa Major » 

σ1 Ursae Majoris (sigma1 Ursae Majoris)

Above the horizon.  Circumpolar today
Alt: 60.80°   Az: 39.05°   Direction: North-East

σ1 Ursae Majoris is a giant star of spectral class K5 in the constellation of Ursa Major.

σ1 Ursae Majoris visual magnitude is 5.14. Because of its faintness, σ1 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.

Image of σ1 Ursae Majoris (sigma1 Ursae Majoris) star
DSS2 image of σ1 Ursae Majoris. The red arrow shows the motion of σ1 Ursae Majoris during the next 10000 years (-3.00 arcmin in Right Ascension and -6.33 arcmin in declination);

Celestial Coordinates

Apparent

09h 10m 33s
+66° 46’ 13”
20h 35m 15s
05h 45m 49s

J2000

09h 08m 23s
+66° 52’ 23”

Galactic Coordinates

147.27°
38.03°

Finder Chart

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Finder chart for σ1 Ursae Majoris (sigma1 Ursae Majoris).

Magnitude, Color, Spectral Class

5.14
Giant

-0.78
K5III
3779K

The red dot in the diagram below shows where σ1 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of σ1 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

σ1 Ursae Majoris is distant 498.47 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

152.91
498.47
15 km/s
-0.018 arcsec/y
-0.038"/y

Alternative Designations

σ1 Ursae Majoris
(sigma1 Ursae Majoris)
11 Ursae Majoris
SAO14769
SAO14769

Visibility from Your Location

σ1 Ursae Majoris (sigma1 Ursae Majoris) is circumpolar and transits at 23:25 UTC (altitude: 74.7°)