2 Ursae Majoris

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

2 Ursae Majoris visual magnitude is 5.47. Because of its reltive faintness, 2 Ursae Majoris should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 2 Ursae Majoris:

Color of 2 Ursae Majoris ⬤

Magnitude of 2 Ursae Majoris 5.47

Class

VISIBILITY RIGHT NOW 2 Ursae Majoris is above the horizon from Greenwich, United Kingdom [change]. Altitude: 32°.

Celestial coordinates and finder chart of 2 Ursae Majoris

2 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 2 Ursae Majoris are provided in the following table:

Right Ascension J2000 08h 34m 36s

Declination J2000 +65° 08’ 41”

Galactic Longitude 150.52°

Galactic Latitude 35.21°

Constellation Ursa Major

The simplified sky map below shows the position of 2 Ursae Majoris in the sky:

Simplified finder chart for 2 Ursae Majoris.

Visibility of 2 Ursae Majoris from your location

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

2 Ursae Majoris is circumpolar and transits at 20:10 UTC (altitude: 76.3°)

Digitized Sky Survey image of 2 Ursae Majoris

The image below is a photograph of 2 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 2 Ursae Majoris is -0.049 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 2 Ursae Majoris. The red arrow shows the motion of 2 Ursae Majoris during the next 10000 years (-8.17 arcmin in Right Ascension and -10.50 arcmin in declination);

Distance of 2 Ursae Majoris from the Sun and relative movement

2 Ursae Majoris is distant 158.02 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

Distance (parsec) 48.47 pc

Distance (light year) 158.02 ly

Heliocentric radial velocity -16 km/s

Proper Motion RA -0.049 arcsec/year

Proper Motion Dec -0.063 arcsec/year

Spectral properties of 2 Ursae Majoris

2 Ursae Majoris belongs to spectral class A2

Absolute magnitude 2.04

Spectral Type A2

Color Index (B-V) 0.18

Temperature of 2 Ursae Majoris 8321K

The red dot in the diagram below shows where 2 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 2 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Alternative designations of 2 Ursae Majoris

Flamsteed designation 2 Ursae Majoris

Henry Draper Catalogue HD72037

SAO Catalogue SAO14590

Hipparcos Catalogue HIP42080

Durchmusterung Catalogue BD+65 638

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In Evidence

Other stars in Ursa Major