Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
sunny DaytimeWhat's Visible Now
All Constellations » Ursa Major » 

24 Ursae Majoris

Altitude: 70.8°   Azimuth: 12.7°   Direction: North-North-East

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:


24 Ursae Majoris is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 70.8°
Azimuth: 12.7°
Direction: North-North-East

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:

09h 34m 28s
+69° 49’ 49”
Ursa Major

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

Finder chart 24 Ursae Majoris star
Simplified finder chart for 24 Ursae Majoris.

Visibility of 24 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

24 Ursae Majoris is circumpolar and transits at 09:06 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.

Image of 24 Ursae Majoris star
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.

32.37 pc
105.54 ly
-27 km/s
-0.063 arcsec/year
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.


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

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

Alternative designations of 24 Ursae Majoris

24 Ursae Majoris
Gl 355.1