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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:13 
Transit: 12:56 
Sunset: 20:39
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All Constellations » Auriga » 

σ Aurigae (sigma Aurigae)

Above the horizon.  Rise: 4:12 | Tran: 15:03 | Set: 1:59
Alt: 45.16°   Az: 276.89°   Direction: West

σ Aurigae is a multiple giant star of spectral class K4 in the constellation of Auriga.

σ Aurigae visual magnitude is 4.99. Because of its moderate brightness, σ Aurigae 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 Aurigae (sigma Aurigae) star
DSS2 image of σ Aurigae. The red arrow shows the motion of σ Aurigae during the next 100000 years (1.67 arcmin in Right Ascension and -13.33 arcmin in declination);

Celestial Coordinates

Apparent

05h 26m 22s
+37° 24’ 24”
04h 07m 10s
09h 33m 33s

J2000

05h 24m 39s
+37° 23’ 08”

Galactic Coordinates

170.52°
0.88°

Finder Chart

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Finder chart for σ Aurigae (sigma Aurigae).

Magnitude, Color, Spectral Class

4.99
Giant

-1.00
K4III
3918K

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

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

Star System Properties

σ Aurigae 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 σ Aurigae double sysyem:

4.99
11.99
7
8.7 arcsec

Distance, Radial Speed, Proper Motion

σ Aurigae is distant 513.39 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

157.48
513.39
-19 km/s
0.001 arcsec/y
-0.008"/y

Alternative Designations

σ Aurigae
(sigma Aurigae)
SAO57981
SAO57981

Visibility from Your Location

Today's σ Aurigae (sigma Aurigae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.6°
Max altitude: 75.9°
Azimuth: 307.4°