ρ Ursae Majoris (rho Ursae Majoris)

Above the horizon. Circumpolar today

Alt: 36.85° Az: 335.88° Direction: South-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 48s

Declination +67° 31’ 40”

Hour Angle 08h 04m 46s

Sidereal Time 17h 09m 34s

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 15:00 UTC (altitude: 74.0°)

Set Location

Other stars in Ursa Major