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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:13 
Transit: 12:47 
Sunset: 18:20
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All Constellations » Ursa Major » 

υ Ursae Majoris (upsilon Ursae Majoris)

Above the horizon.  Circumpolar today
Alt: 50.10°   Az: 50.10°   Direction: North-East

υ Ursae Majoris is a variable and double sub-giant star of spectral class F2 in the constellation of Ursa Major.

υ Ursae Majoris visual magnitude is 3.8. Because of its moderate brightness, υ 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 υ Ursae Majoris (upsilon Ursae Majoris) star
DSS2 image of υ Ursae Majoris. The red arrow shows the motion of υ Ursae Majoris during the next 1000 years (-4.88 arcmin in Right Ascension and -2.52 arcmin in declination);

Celestial Coordinates

Apparent

09h 52m 44s
+58° 55’ 18”
19h 10m 19s
05h 03m 03s

J2000

09h 50m 59s
+59° 02’ 18”

Galactic Coordinates

154.31°
45.58°

Finder Chart

Finder chart υ Ursae Majoris (upsilon Ursae Majoris) star
Simplified finder chart for υ Ursae Majoris (upsilon Ursae Majoris).

Magnitude, Color, Spectral Class

3.8
Sub-giant

1.06
F2IV
7526K

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

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

Star System Properties

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

3.8
12.4
8.6
11.3 arcsec

Distance, Radial Speed, Proper Motion

υ Ursae Majoris is distant 114.99 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

35.27
114.99
27 km/s
-0.293 arcsec/y
-0.151"/y

Alternative Designations

υ Ursae Majoris
(upsilon Ursae Majoris)
29 Ursae Majoris
SAO27401
SAO27401

Visibility from Your Location

υ Ursae Majoris (upsilon Ursae Majoris) is circumpolar and transits at 08:42 UTC (altitude: 82.6°)