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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:59  
clear_day Transit: 12:12  
SunsetSet: 17:25
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All Constellations » Grus » 

π2 Gruis (pi2 Gruis)

Altitude: -31.0°   Azimuth: 233.8°   Direction: South-West

π2 Gruis is a double giant star in the constellation of Grus.

π2 Gruis visual magnitude is 5.62. Because of its reltive faintness, π2 Gruis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of π2 Gruis is 0.237 arcsec per year in Right Ascension and -0.061 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of π2 Gruis (pi2 Gruis) star
DSS2 image of π2 Gruis. The red arrow shows the motion of π2 Gruis during the next 1000 years (3.95 arcmin in Right Ascension and -1.02 arcmin in declination);

Key facts about π2 Gruis


π2 Gruis (pi2 Gruis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -31.0°
Azimuth: 233.8°
Direction: South-West

Celestial coordinates and finder chart of π2 Gruis

π2 Gruis is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of π2 Gruis are provided in the following table:

22h 23m 08s
-45° 55’ 42”

The simplified sky map below shows the position of π2 Gruis in the sky:

Finder chart π2 Gruis (pi2 Gruis) star
Simplified finder chart for π2 Gruis (pi2 Gruis).

Visibility of π2 Gruis from your location

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

π2 Gruis (pi2 Gruis) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of π2 Gruis from the Sun and relative movement

π2 Gruis is distant 132.41 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

40.62 pc
132.41 ly
20 km/s
0.237 arcsec/year
-0.061 arcsec/year

Spectral properties of π2 Gruis

π2 Gruis belongs to spectral class F3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where π2 Gruis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of π2 Gruis. Attribution: Richard Powell / CC BY-SA

π2 Gruis star system properties

π2 Gruis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the π2 Gruis double sysyem:

4.9 arcsec

Alternative designations of π2 Gruis

π2 Gruis
(pi2 Gruis)