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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations » Ursa Major » 

π1 Ursae Majoris (pi1 Ursae Majoris)

Altitude: 28.4°   Azimuth: 347.1°   Direction: North-North-West

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

π1 Ursae Majoris visual magnitude is 5.64. Because of its reltive faintness, π1 Ursae Majoris should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of π1 Ursae Majoris is -0.024 arcsec per year in Right Ascension and 0.088 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

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);

Key facts about π1 Ursae Majoris

5.64
Main-sequence

π1 Ursae Majoris (pi1 Ursae Majoris) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 28.4°
Azimuth: 347.1°
Direction: North-North-West

Celestial coordinates and finder chart of π1 Ursae Majoris

π1 Ursae Majoris is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of π1 Ursae Majoris are provided in the following table:

08h 39m 11s
+65° 01’ 14”
150.55°
35.7°
Ursa Major

The simplified sky map below shows the position of π1 Ursae Majoris in the sky:

Finder chart π1 Ursae Majoris (pi1 Ursae Majoris) star
Simplified finder chart for π1 Ursae Majoris (pi1 Ursae Majoris).

Visibility of π1 Ursae Majoris from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

π1 Ursae Majoris (pi1 Ursae Majoris) is circumpolar and transits at 20:47 UTC (altitude: 76.5°)

Distance of π1 Ursae Majoris from the Sun and relative movement

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.

14.27 pc
46.52 ly
-12 km/s
-0.024 arcsec/year
0.088 arcsec/year

Spectral properties of π1 Ursae Majoris

π1 Ursae Majoris belongs to spectral class G1 and has a luminosity class of V corresponding to a main-sequence star.

4.87
G1V
5890K

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

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

Alternative designations of π1 Ursae Majoris

π1 Ursae Majoris
(pi1 Ursae Majoris)
3 Ursae Majoris
SAO14609
SAO14609