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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:14 
Transit: 11:44 
Sunset: 16:13
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All Constellations » Grus » 

η Gruis (eta Gruis)

Below the horizon.  Never rises today
Alt: -28.41°   Az: 218.25°   Direction: South-West

η Gruis is a double giant star of spectral class K2 in the constellation of Grus.

η Gruis visual magnitude is 4.85. Because of its moderate brightness, η Gruis 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 η Gruis (eta Gruis) star
DSS2 image of η Gruis. The red arrow shows the motion of η Gruis during the next 10000 years (4.83 arcmin in Right Ascension and 2.33 arcmin in declination);

Celestial Coordinates

Apparent

22h 47m 08s
-53° 22’ 08”
04h 23m 24s
03h 10m 33s

J2000

22h 45m 37s
-53° 30’ 01”

Galactic Coordinates

335.6°
-54.9°

Finder Chart

Finder chart η Gruis (eta Gruis) star
Simplified finder chart for η Gruis (eta Gruis).

Magnitude, Color, Spectral Class

4.85
Giant

-0.56
K2III
4348K

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

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

Star System Properties

η Gruis 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 η Gruis double sysyem:

4.85
11.45
6.6
24.4 arcsec

Distance, Radial Speed, Proper Motion

η Gruis is distant 394.20 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

120.92
394.20
28 km/s
0.029 arcsec/y
0.014"/y

Alternative Designations

η Gruis
(eta Gruis)
SAO247570
SAO247570

Visibility from Your Location

η Gruis (eta Gruis) is currently not visible from Greenwich, UK