ζ Ursae Minoris (zeta Ursae Minoris)

Above the horizon. Circumpolar today

Alt: 55.30° Az: 340.34° Direction: North-North-West

ζ Ursae Minoris is a variable main-sequence star of spectral class A3 in the constellation of Ursa Minor.

ζ Ursae Minoris visual magnitude is 4.32. Because of its moderate brightness, ζ Ursae Minoris 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 ζ Ursae Minoris (zeta Ursae Minoris) star

DSS2 image of ζ Ursae Minoris. The red arrow shows the motion of ζ Ursae Minoris during the next 10000 years (3.33 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 43m 13s

Declination +77° 43’ 01”

Hour Angle 04h 16m 53s

Sideral Time 20h 00m 07s

J2000

Right Ascension 15h 44m 03s

Declination +77° 47’ 39”

Galactic Coordinates

Galactic Longitude 112.68°

Galactic Latitude 35.66°

Finder Chart

Simplified finder chart for ζ Ursae Minoris (zeta Ursae Minoris).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.32

Class Main-sequence

Absolute magnitude -0.99

Spectral Type A3V

Color Index (B-V) 0.04

Temperature 9652K

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

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

Distance, Radial Speed, Proper Motion

ζ Ursae Minoris is distant 375.58 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 115.21

Distance (light year) 375.58

Radial Speed -13 km/s

Proper Motion RA 0.02 arcsec/y

Proper Motion Dec -0.001"/y

Alternative Designations

Bayer designation ζ Ursae Minoris
(zeta Ursae Minoris)

Flamsteed designation 16 Ursae Minoris

Henry Draper Catalogue HD142105

SAO Catalogue SAO8328

Hipparcos Catalogue HIP77055

Durchmusterung Catalogue BD+78 527

FK5 Catalogue 590

General Catalogue of Variable Stars 7263

Visibility from Your Location

ζ Ursae Minoris (zeta Ursae Minoris) is circumpolar and transits at 14:40 UTC (altitude: 63.8°)

Set Location

Other stars in Ursa Minor