π1 Ursae Majoris (pi1 Ursae Majoris)

Above the horizon. Circumpolar today

Alt: 33.67° Az: 335.61° Direction: South-West

π1 Ursae Majoris is a main-sequence star of spectral class G1 in the constellation of Ursa Major.

π1 Ursae Majoris visual magnitude is 5.64. Because of its faintness, π1 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.

Image of π1 Ursae Majoris (pi1 Ursae Majoris) star

DSS2 image of π1 Ursae Majoris. The red arrow shows the motion of π1 Ursae Majoris during the next 10000 years (-4.00 arcmin in Right Ascension and 14.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 08h 41m 25s

Declination +64° 55’ 46”

Hour Angle 08h 23m 09s

Sidereal Time 17h 04m 35s

J2000

Right Ascension 08h 39m 11s

Declination +65° 01’ 14”

Galactic Coordinates

Galactic Longitude 150.55°

Galactic Latitude 35.7°

Finder Chart

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Finder chart for π1 Ursae Majoris (pi1 Ursae Majoris).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.64

Class Main-sequence

Absolute magnitude 4.87

Spectral Type G1V

Color Index (B-V) 0.62

Temperature 5890K

The red dot in the diagram below shows where π1 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of π1 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

π1 Ursae Majoris is distant 46.52 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 14.27

Distance (light year) 46.52

Radial Speed -12 km/s

Proper Motion RA -0.024 arcsec/y

Proper Motion Dec 0.088"/y

Alternative Designations

Bayer designation π1 Ursae Majoris
(pi1 Ursae Majoris)

Flamsteed designation 3 Ursae Majoris

Henry Draper Catalogue HD72905

SAO Catalogue SAO14609

Hipparcos Catalogue HIP42438

Durchmusterung Catalogue BD+65 643

Gliese Catalogue Gl 311

Visibility from Your Location

π1 Ursae Majoris (pi1 Ursae Majoris) is circumpolar and transits at 14:37 UTC (altitude: 76.6°)

Set Location

Other stars in Ursa Major