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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:30 
Transit: 12:56 
Sunset: 19:21
sunny   (Daytime)  
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All Constellations » Grus » 

σ1 Gruis (sigma1 Gruis)

Below the horizon.  Never rises today
Alt: -40.12°   Az: 107.68°   Direction: East-South-East

σ1 Gruis is a main-sequence star of spectral class A3 in the constellation of Grus.

σ1 Gruis visual magnitude is 6.28. Because of its faintness, σ1 Gruis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of σ1 Gruis (sigma1 Gruis) star
DSS2 image of σ1 Gruis. The red arrow shows the motion of σ1 Gruis during the next 10000 years (8.00 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates

Apparent

22h 37m 55s
-40° 27’ 14”
16h 52m 54s
15h 30m 49s

J2000

22h 36m 29s
-40° 34’ 58”

Galactic Coordinates

358.33°
-59.17°

Finder Chart

Finder chart σ1 Gruis (sigma1 Gruis) star
Simplified finder chart for σ1 Gruis (sigma1 Gruis).

Magnitude, Color, Spectral Class

6.28
Main-sequence

2.07
A3V
8839K

The red dot in the diagram below shows where σ1 Gruis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of σ1 Gruis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

σ1 Gruis is distant 226.23 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

69.40
226.23
1 km/s
0.048 arcsec/y
-0.07"/y

Alternative Designations

σ1 Gruis
(sigma1 Gruis)
SAO231211
SAO231211

Visibility from Your Location

σ1 Gruis (sigma1 Gruis) is currently not visible from Greenwich, UK