ρ Ursae Majoris (rho Ursae Majoris)

Above the horizon. Circumpolar today

Alt: 31.06° Az: 347.27° Direction: North-North-West

ρ Ursae Majoris is a variable giant star of spectral class M3 in the constellation of Ursa Major.

ρ Ursae Majoris visual magnitude is 4.76. Because of its moderate brightness, ρ 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 ρ Ursae Majoris (rho Ursae Majoris) star

DSS2 image of ρ Ursae Majoris. The red arrow shows the motion of ρ Ursae Majoris during the next 10000 years (-3.50 arcmin in Right Ascension and 3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 04m 47s

Declination +67° 31’ 41”

Hour Angle 10h 01m 39s

Sidereal Time 19h 06m 27s

J2000

Right Ascension 09h 02m 32s

Declination +67° 37’ 46”

Galactic Coordinates

Galactic Longitude 146.63°

Galactic Latitude 37.23°

Finder Chart

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Finder chart for ρ Ursae Majoris (rho Ursae Majoris).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.76

Class Giant

Absolute magnitude 0.03

Spectral Type M3III

Color Index (B-V) 1.53

Temperature 3749K

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

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

Distance, Radial Speed, Proper Motion

ρ Ursae Majoris is distant 287.22 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

Distance (parsec) 88.11

Distance (light year) 287.22

Radial Speed 5 km/s

Proper Motion RA -0.021 arcsec/y

Proper Motion Dec 0.019"/y

Alternative Designations

Bayer designation ρ Ursae Majoris
(rho Ursae Majoris)

Flamsteed designation 8 Ursae Majoris

Henry Draper Catalogue HD76827

SAO Catalogue SAO14742

Hipparcos Catalogue HIP44390

Durchmusterung Catalogue BD+68 551

FK5 Catalogue 338

General Catalogue of Variable Stars 4344

Visibility from Your Location

ρ Ursae Majoris (rho Ursae Majoris) is circumpolar and transits at 17:18 UTC (altitude: 74.0°)

In Evidence

Other stars in Ursa Major

ρ Ursae Majoris (rho Ursae Majoris)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Ursa Major

ρ Ursae Majoris (rho Ursae Majoris)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location