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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:56 
Sunset: 20:50
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All Constellations » Ursa Major » 

78 Ursae Majoris

Above the horizon.  Circumpolar today
Alt: 28.17°   Az: 327.29°   Direction: North-North-West

78 Ursae Majoris is a variable and double main-sequence star of spectral class F2 in the constellation of Ursa Major.

78 Ursae Majoris visual magnitude is 4.93. Because of its moderate brightness, 78 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 78 Ursae Majoris star
DSS2 image of 78 Ursae Majoris. The red arrow shows the motion of 78 Ursae Majoris during the next 1000 years (1.90 arcmin in Right Ascension and -0.15 arcmin in declination);

Celestial Coordinates

Apparent

13h 01m 48s
+56° 13’ 48”
08h 04m 02s
21h 05m 50s

J2000

13h 00m 43s
+56° 21’ 59”

Galactic Coordinates

120.3°
60.71°

Finder Chart

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Finder chart for 78 Ursae Majoris.

Magnitude, Color, Spectral Class

4.93
Main-sequence

2.94
F2V
7101K

The red dot in the diagram below shows where 78 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 78 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Star System Properties

78 Ursae Majoris is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 78 Ursae Majoris double sysyem:

4.93
7.43
2.5
1.3 arcsec

Distance, Radial Speed, Proper Motion

78 Ursae Majoris is distant 81.38 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

24.96
81.38
-10 km/s
0.114 arcsec/y
-0.009"/y

Alternative Designations

78 Ursae Majoris
SAO28601
SAO28601

Visibility from Your Location

78 Ursae Majoris is circumpolar and transits at 21:10 UTC (altitude: 85.2°)