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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:07 
Transit: 12:56 
Sunset: 20:45
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All Constellations » Ara » 

σ Arae (sigma Arae)

Below the horizon.  Never rises today
Alt: -13.23°   Az: 205.63°   Direction: South-South-West

σ Arae is a hypergiant star of spectral class A0 in the constellation of Ara.

σ Arae visual magnitude is 4.59. Because of its moderate brightness, σ Arae 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 σ Arae (sigma Arae) star
DSS2 image of σ Arae. The red arrow shows the motion of σ Arae during the next 10000 years (-4.67 arcmin in Right Ascension and -5.83 arcmin in declination);

Celestial Coordinates

Apparent

17h 37m 33s
-46° 31’ 11”
02h 30m 55s
20h 08m 28s

J2000

17h 35m 39s
-46° 30’ 20”

Galactic Coordinates

343.98°
-7.58°

Finder Chart

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Finder chart for σ Arae (sigma Arae).

Magnitude, Color, Spectral Class

4.59
Hypergiant

-0.77
A0V
10516K

The red dot in the diagram below shows where σ Arae is situated in the Hertzsprung–Russell diagram.

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

Distance, Radial Speed, Proper Motion

σ Arae is distant 385.34 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

118.20
385.34
4 km/s
-0.028 arcsec/y
-0.035"/y

Alternative Designations

σ Arae
(sigma Arae)
SAO228162
SAO228162

Visibility from Your Location

σ Arae (sigma Arae) is currently not visible from Greenwich, UK