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🌎  Greenwich, United Kingdom [change]

ξ Gruis (xi Gruis)

ξ Gruis is a hypergiant star in the constellation of Grus.

ξ Gruis visual magnitude is 5.29. Because of its reltive faintness, ξ Gruis 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 ξ Gruis:

ξ Gruis (xi Gruis) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of ξ Gruis

ξ Gruis is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ξ Gruis are provided in the following table:

21h 32m 05s
-41° 10’ 45”

The simplified sky map below shows the position of ξ Gruis in the sky:

Finder chart ξ Gruis (xi Gruis) star
Simplified finder chart for ξ Gruis (xi Gruis).

Visibility of ξ Gruis from your location

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

ξ Gruis (xi Gruis) is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of ξ Gruis

The image below is a photograph of ξ Gruis 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 ξ Gruis is 0.018 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ξ Gruis (xi Gruis) star
DSS2 image of ξ Gruis. The red arrow shows the motion of ξ Gruis during the next 10000 years (3.00 arcmin in Right Ascension and 2.50 arcmin in declination);

Distance of ξ Gruis from the Sun and relative movement

ξ Gruis is distant 383.08 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

117.51 pc
383.08 ly
-8 km/s
0.018 arcsec/year
0.015 arcsec/year

Spectral properties of ξ Gruis

ξ Gruis belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


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

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

Alternative designations of ξ Gruis

ξ Gruis
(xi Gruis)