ω Ursae Majoris (omega Ursae Majoris)

Above the horizon. Circumpolar today

Alt: 33.98° Az: 298.37° Direction: South

ω Ursae Majoris is a main-sequence star of spectral class A1 in the constellation of Ursa Major.

ω Ursae Majoris visual magnitude is 4.71. Because of its moderate brightness, ω 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 ω Ursae Majoris (omega Ursae Majoris) star

DSS2 image of ω Ursae Majoris. The red arrow shows the motion of ω Ursae Majoris during the next 10000 years (7.50 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 55m 25s

Declination +43° 03’ 14”

Hour Angle 05h 47m 29s

Sidereal Time 16h 42m 55s

J2000

Right Ascension 10h 53m 58s

Declination +43° 11’ 23”

Galactic Coordinates

Galactic Longitude 171.16°

Galactic Latitude 61.35°

Finder Chart

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Finder chart for ω Ursae Majoris (omega Ursae Majoris).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.71

Class Main-sequence

Absolute magnitude 0.15

Spectral Type A1V

Color Index (B-V) -0.05

Temperature 10795K

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

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

Distance, Radial Speed, Proper Motion

ω Ursae Majoris is distant 266.78 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 81.83

Distance (light year) 266.78

Radial Speed -17 km/s

Proper Motion RA 0.045 arcsec/y

Proper Motion Dec -0.021"/y

Alternative Designations

Bayer designation ω Ursae Majoris
(omega Ursae Majoris)

Flamsteed designation 45 Ursae Majoris

Henry Draper Catalogue HD94334

SAO Catalogue SAO43512

Hipparcos Catalogue HIP53295

Durchmusterung Catalogue BD+43 2058

FK5 Catalogue 2870

Visibility from Your Location

ω Ursae Majoris (omega Ursae Majoris) is circumpolar and transits at 16:50 UTC (altitude: 81.6°)

Set Location

Other stars in Ursa Major