27 Ursae Majoris

Above the horizon. Circumpolar today

Alt: 42.82° Az: 336.84° Direction: South-West

27 Ursae Majoris is a hypergiant star of spectral class K0 in the constellation of Ursa Major.

27 Ursae Majoris visual magnitude is 5.17. Because of its faintness, 27 Ursae Majoris is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 27 Ursae Majoris. The red arrow shows the motion of 27 Ursae Majoris during the next 10000 years (-4.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 45m 14s

Declination +72° 08’ 05”

Hour Angle 07h 19m 34s

Sidereal Time 17h 04m 49s

J2000

Right Ascension 09h 42m 57s

Declination +72° 15’ 08”

Galactic Coordinates

Galactic Longitude 139.45°

Galactic Latitude 38.23°

Finder Chart

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Finder chart for 27 Ursae Majoris.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.17

Class Hypergiant

Absolute magnitude -0.49

Spectral Type K0III

Color Index (B-V) 1.04

Temperature 4649K

The red dot in the diagram below shows where 27 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 27 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

27 Ursae Majoris is distant 441.73 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 135.50

Distance (light year) 441.73

Radial Speed -17 km/s

Proper Motion RA -0.026 arcsec/y

Proper Motion Dec -0.03"/y

Alternative Designations

Flamsteed designation 27 Ursae Majoris

Henry Draper Catalogue HD83506

SAO Catalogue SAO6936

Hipparcos Catalogue HIP47654

Durchmusterung Catalogue BD+72 466

FK5 Catalogue 2772

Visibility from Your Location

27 Ursae Majoris is circumpolar and transits at 15:40 UTC (altitude: 69.3°)

Set Location

Other stars in Ursa Major