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public  Greenwich, UK Greenwich, UK  ⓘ
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Sunrise: 6:33 
Transit: 12:55 
Sunset: 19:17
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All Constellations » Draco » 

Grumium - ξ Draconis (xi Draconis)

Above the horizon.  Circumpolar today
Alt: 19.86°   Az: 347.40°   Direction: North-North-West

Grumium, also designated as ξ Draconis (xi Draconis), is a double giant star of spectral class K2 in the constellation of Draco.

Grumium visual magnitude is 3.75. Because of its moderate brightness, Grumium is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of Grumium - ξ Draconis (xi Draconis) star
DSS2 image of Grumium. The red arrow shows the motion of Grumium during the next 1000 years (1.57 arcmin in Right Ascension and 1.33 arcmin in declination);

Celestial Coordinates

Apparent

17h 53m 57s
+56° 52’ 08”
10h 31m 49s
04h 25m 46s

J2000

17h 53m 31s
+56° 52’ 22”

Galactic Coordinates

85.17°
30.23°

Finder Chart

Finder chart Grumium - ξ Draconis (xi Draconis) star
Simplified finder chart for Grumium - ξ Draconis (xi Draconis).

Magnitude, Color, Spectral Class

3.75
Giant

1.08
K2III
4348K

The red dot in the diagram below shows where Grumium is situated in the Hertzsprung–Russell diagram.

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

Star System Properties

Grumium is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Grumium double sysyem:

3.75
14.85
11.1
316 arcsec

Distance, Radial Speed, Proper Motion

Grumium is distant 111.41 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

34.18
111.41
-26 km/s
0.094 arcsec/y
0.08"/y

Alternative Designations

Grumium
ξ Draconis
(xi Draconis)
32 Draconis
SAO30631
SAO30631

Visibility from Your Location

Grumium - ξ Draconis (xi Draconis) is circumpolar and transits at 18:21 UTC (altitude: 84.6°)