55 Ursae Majoris

Above the horizon. Rise: 9:11 | Tran: 20:25 | Set: 7:43

Alt: 33.65° Az: 290.64° Direction: West-North-West

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

55 Ursae Majoris visual magnitude is 4.78. Because of its moderate brightness, 55 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.

DSS2 image of 55 Ursae Majoris. The red arrow shows the motion of 55 Ursae Majoris during the next 10000 years (-9.50 arcmin in Right Ascension and -11.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 20m 30s

Declination +38° 02’ 47”

Hour Angle 05h 26m 15s

Sidereal Time 16h 46m 46s

J2000

Right Ascension 11h 19m 07s

Declination +38° 11’ 08”

Galactic Coordinates

Galactic Longitude 177.34°

Galactic Latitude 67.74°

Finder Chart

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Finder chart for 55 Ursae Majoris.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.78

Class Main-sequence

Absolute magnitude 1.03

Spectral Type A1V

Color Index (B-V) 0.12

Temperature 8839K

The red dot in the diagram below shows where 55 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 55 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

55 Ursae Majoris is distant 182.94 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 56.12

Distance (light year) 182.94

Radial Speed -3 km/s

Proper Motion RA -0.057 arcsec/y

Proper Motion Dec -0.068"/y

Alternative Designations

Flamsteed designation 55 Ursae Majoris

Henry Draper Catalogue HD98353

SAO Catalogue SAO62491

Hipparcos Catalogue HIP55266

Durchmusterung Catalogue BD+38 2225

FK5 Catalogue 1293

Visibility from Your Location

Today's 55 Ursae Majoris rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.0° RISE 9:11

Max altitude: 76.6° TRANSIT 20:25

Azimuth: 308.0° SET 7:43

Set Location

Other stars in Ursa Major