24 Ursae Majoris

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

24 Ursae Majoris visual magnitude is 4.56. Because of its moderate brightness, 24 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 24 Ursae Majoris:

Color of 24 Ursae Majoris ⬤

Magnitude of 24 Ursae Majoris 4.56

Class Giant

VISIBILITY RIGHT NOW 24 Ursae Majoris is above the horizon from Greenwich, United Kingdom [change]. Altitude: 47°.

Celestial coordinates and finder chart of 24 Ursae Majoris

24 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 24 Ursae Majoris are provided in the following table:

Right Ascension J2000 09h 34m 28s

Declination J2000 +69° 49’ 49”

Galactic Longitude 142.55°

Galactic Latitude 38.93°

Constellation Ursa Major

The simplified sky map below shows the position of 24 Ursae Majoris in the sky:

Simplified finder chart for 24 Ursae Majoris.

Visibility of 24 Ursae Majoris from your location

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

24 Ursae Majoris is circumpolar and transits at 21:33 UTC (altitude: 71.6°)

Digitized Sky Survey image of 24 Ursae Majoris

The image below is a photograph of 24 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 24 Ursae Majoris is -0.063 arcsec per year in Right Ascension and 0.077 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 24 Ursae Majoris. The red arrow shows the motion of 24 Ursae Majoris during the next 10000 years (-10.50 arcmin in Right Ascension and 12.83 arcmin in declination);

Distance of 24 Ursae Majoris from the Sun and relative movement

24 Ursae Majoris is distant 105.54 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

Distance (parsec) 32.37 pc

Distance (light year) 105.54 ly

Heliocentric radial velocity -27 km/s

Proper Motion RA -0.063 arcsec/year

Proper Motion Dec 0.077 arcsec/year

Spectral properties of 24 Ursae Majoris

24 Ursae Majoris belongs to spectral class G4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 2.01

Spectral Type G4III

Color Index (B-V) 0.77

Temperature of 24 Ursae Majoris 5373K

The red dot in the diagram below shows where 24 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 24 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Alternative designations of 24 Ursae Majoris

Flamsteed designation 24 Ursae Majoris

Henry Draper Catalogue HD82210

SAO Catalogue SAO6897

Hipparcos Catalogue HIP46977

Durchmusterung Catalogue BD+70 565

Gliese Catalogue Gl 355.1

FK5 Catalogue 357

General Catalogue of Variable Stars DK UMa

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Other stars in Ursa Major