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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?

υ Ursae Majoris (upsilon Ursae Majoris)

Above the horizon.  Circumpolar today
Altitude: 21.5°   Azimuth: 10.2°   Direction: North

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.

Celestial coordinates and finder chart of υ Ursae Majoris

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

υ Ursae Majoris is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of υ Ursae Majoris are provided in the following table:

09h 50m 59s
+59° 02’ 18”
154.31°
45.58°
Ursa Major
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);

Key facts about υ Ursae Majoris

3.8
Sub-giant

and has a luminosity class of IV corresponding to a sub-giant star.

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

υ Ursae Majoris 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 of υ Ursae Majoris from the Sun and relative movement

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 pc
114.99 ly
27 km/s
-0.293 arcsec/year
-0.151 arcsec/year

Alternative designations of υ Ursae Majoris

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

Visibility of υ Ursae Majoris from your location

υ Ursae Majoris (upsilon Ursae Majoris) is circumpolar and transits at 16:13 UTC (altitude: 82.4°)