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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:21 
Transit: 12:14 
Sunset: 17:07
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All Constellations » Ursa Major » 

73 Ursae Majoris

Above the horizon.  Circumpolar today
Alt: 81.89°   Az: 55.09°   Direction: North-East

73 Ursae Majoris is a giant star of spectral class M2 in the constellation of Ursa Major.

73 Ursae Majoris visual magnitude is 5.7. Because of its faintness, 73 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 73 Ursae Majoris star
DSS2 image of 73 Ursae Majoris. The red arrow shows the motion of 73 Ursae Majoris during the next 10000 years (-3.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

12h 28m 46s
+55° 34’ 26”
23h 12m 44s
11h 41m 31s

J2000

12h 27m 35s
+55° 42’ 46”

Galactic Coordinates

129.89°
61.09°

Finder Chart

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Finder chart for 73 Ursae Majoris.

Magnitude, Color, Spectral Class

5.7
Giant

0.05
M2III
3720K

The red dot in the diagram below shows where 73 Ursae Majoris is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 73 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

73 Ursae Majoris is distant 438.76 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

134.59
438.76
17 km/s
-0.021 arcsec/y
-0.012"/y

Alternative Designations

73 Ursae Majoris
SAO28394
SAO28394

Visibility from Your Location

73 Ursae Majoris is circumpolar and transits at 03:03 UTC (altitude: 85.9°)