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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:28 
Transit: 12:14 
Sunset: 17:00
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All Constellations » Ursa Major » 

27 Ursae Majoris

Above the horizon.  Circumpolar today
Alt: 38.67°   Az: 342.19°   Direction: North-North-West

27 Ursae Majoris is a hypergiant star of spectral class K0 in the constellation of Ursa Major.

27 Ursae Majoris visual magnitude is 5.17. Because of its faintness, 27 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 27 Ursae Majoris star
DSS2 image of 27 Ursae Majoris. The red arrow shows the motion of 27 Ursae Majoris during the next 10000 years (-4.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

09h 45m 12s
+72° 08’ 11”
08h 35m 27s
18h 20m 39s

J2000

09h 42m 57s
+72° 15’ 08”

Galactic Coordinates

139.45°
38.23°

Finder Chart

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Finder chart for 27 Ursae Majoris.

Magnitude, Color, Spectral Class

5.17
Hypergiant

-0.49
K0III
4649K

The red dot in the diagram below shows where 27 Ursae Majoris is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 27 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

27 Ursae Majoris is distant 441.73 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

135.50
441.73
-17 km/s
-0.026 arcsec/y
-0.03"/y

Alternative Designations

27 Ursae Majoris
SAO6936
SAO6936

Visibility from Your Location

27 Ursae Majoris is circumpolar and transits at 00:35 UTC (altitude: 69.3°)