ψ Ursae Majoris (psi Ursae Majoris)

Altitude: 19.3° Azimuth: 318.8° Direction: North-West

ψ Ursae Majoris is a giant star in the constellation of Ursa Major.

ψ Ursae Majoris visual magnitude is 3.01. Because of its moderate brightness, ψ Ursae Majoris should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about ψ Ursae Majoris:

Color of ψ Ursae Majoris ⬤

Magnitude of ψ Ursae Majoris 3.01

Class Giant

VISIBILITY RIGHT NOW

ψ Ursae Majoris (psi Ursae Majoris) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 19.3°
Azimuth: 318.8°
Direction: North-West

Celestial coordinates and finder chart of ψ Ursae Majoris

ψ Ursae Majoris is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ψ Ursae Majoris are provided in the following table:

Right Ascension J2000 11h 09m 39s

Declination J2000 +44° 29’ 54”

Galactic Longitude 165.8°

Galactic Latitude 63.23°

Constellation Ursa Major

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

Finder chart ψ Ursae Majoris (psi Ursae Majoris) star

Simplified finder chart for ψ Ursae Majoris (psi Ursae Majoris).

Visibility of ψ 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

ψ Ursae Majoris (psi Ursae Majoris) is circumpolar and transits at 18:06 UTC (altitude: 83.0°)

Digitized Sky Survey image of ψ Ursae Majoris

The image below is a photograph of ψ Ursae Majoris from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of ψ Ursae Majoris is -0.065 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ψ Ursae Majoris (psi Ursae Majoris) star

DSS2 image of ψ Ursae Majoris. The red arrow shows the motion of ψ Ursae Majoris during the next 10000 years (-10.83 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of ψ Ursae Majoris from the Sun and relative movement

ψ Ursae Majoris is distant 146.78 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 45.02 pc

Distance (light year) 146.78 ly

Heliocentric radial velocity -4 km/s

Proper Motion RA -0.065 arcsec/year

Proper Motion Dec -0.028 arcsec/year

Spectral properties of ψ Ursae Majoris

ψ Ursae Majoris belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.26

Spectral Type K1III

Color Index (B-V) 1.14

Temperature of ψ Ursae Majoris 4430K

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

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

Alternative designations of ψ Ursae Majoris

Bayer designation ψ Ursae Majoris
(psi Ursae Majoris)

Flamsteed designation 52 Ursae Majoris

Henry Draper Catalogue HD96833

SAO Catalogue SAO43629

Hipparcos Catalogue HIP54539

Durchmusterung Catalogue BD+45 1897

FK5 Catalogue 420

In Evidence

Other stars in Ursa Major