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: 4:46  
clear_day Transit: 12:57  
SunsetSet: 21:08 south
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All Constellations » Grus » 

φ Gruis (phi Gruis)

Altitude: -39.6°   Azimuth: 108.9°   Direction: East-South-East

φ Gruis is a main-sequence star in the constellation of Grus.

φ Gruis visual magnitude is 5.53. Because of its reltive faintness, φ 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 φ Gruis:


φ Gruis (phi Gruis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -39.6°
Azimuth: 108.9°
Direction: East-South-East

Celestial coordinates and finder chart of φ Gruis

φ 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 φ Gruis are provided in the following table:

23h 18m 09s
-40° 49’ 27”

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

Finder chart φ Gruis (phi Gruis) star
Simplified finder chart for φ Gruis (phi Gruis).

Visibility of φ Gruis from your location

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

φ Gruis (phi Gruis) is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of φ Gruis

The image below is a photograph of φ 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 φ Gruis is 0.136 arcsec per year in Right Ascension and -0.128 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of φ Gruis (phi Gruis) star
DSS2 image of φ Gruis. The red arrow shows the motion of φ Gruis during the next 1000 years (2.27 arcmin in Right Ascension and -2.13 arcmin in declination);

Distance of φ Gruis from the Sun and relative movement

φ Gruis is distant 112.84 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

34.61 pc
112.84 ly
14 km/s
0.136 arcsec/year
-0.128 arcsec/year

Spectral properties of φ Gruis

φ Gruis belongs to spectral class F5 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Alternative designations of φ Gruis

φ Gruis
(phi Gruis)