Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:45  ☀️ Transit: 13:03  🌅 Sunset: 19:23

μ2 Gruis (mu2 Gruis)

μ2 Gruis is a giant star in the constellation of Grus.

μ2 Gruis visual magnitude is 5.1. Because of its reltive faintness, μ2 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 μ2 Gruis:

μ2 Gruis (mu2 Gruis) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of μ2 Gruis

μ2 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 μ2 Gruis are provided in the following table:

22h 16m 26s
-41° 37’ 38”

The simplified sky map below shows the position of μ2 Gruis in the sky:

Finder chart μ2 Gruis (mu2 Gruis) star
Simplified finder chart for μ2 Gruis (mu2 Gruis).

Visibility of μ2 Gruis from your location

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

μ2 Gruis (mu2 Gruis) is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of μ2 Gruis

The image below is a photograph of μ2 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 μ2 Gruis is -0.005 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of μ2 Gruis (mu2 Gruis) star
DSS2 image of μ2 Gruis. The red arrow shows the motion of μ2 Gruis during the next 10000 years (-0.83 arcmin in Right Ascension and -2.17 arcmin in declination);

Distance of μ2 Gruis from the Sun and relative movement

μ2 Gruis is distant 239.53 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

73.48 pc
239.53 ly
13 km/s
-0.005 arcsec/year
-0.013 arcsec/year

Spectral properties of μ2 Gruis

μ2 Gruis belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where μ2 Gruis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of μ2 Gruis. Attribution: Richard Powell / CC BY-SA

Alternative designations of μ2 Gruis

μ2 Gruis
(mu2 Gruis)