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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Auriga » 

ο Aurigae (omicron Aurigae)

Altitude: 19.5°   Azimuth: 328.9°   Direction: North-North-West

ο Aurigae is a main-sequence star in the constellation of Auriga.

ο Aurigae visual magnitude is 5.47. Because of its reltive faintness, ο Aurigae 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 ο Aurigae:


ο Aurigae (omicron Aurigae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 19.5°
Azimuth: 328.9°
Direction: North-North-West

Celestial coordinates and finder chart of ο Aurigae

ο Aurigae is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ο Aurigae are provided in the following table:

05h 45m 53s
+49° 49’ 35”

The simplified sky map below shows the position of ο Aurigae in the sky:

Finder chart ο Aurigae (omicron Aurigae) star
Simplified finder chart for ο Aurigae (omicron Aurigae).

Visibility of ο Aurigae from your location

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

ο Aurigae (omicron Aurigae) is circumpolar and transits at 00:51 UTC (altitude: 88.3°)

Digitized Sky Survey image of ο Aurigae

The image below is a photograph of ο Aurigae 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 ο Aurigae is -0.01 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ο Aurigae (omicron Aurigae) star
DSS2 image of ο Aurigae. The red arrow shows the motion of ο Aurigae during the next 10000 years (-1.67 arcmin in Right Ascension and 0.17 arcmin in declination);

Distance of ο Aurigae from the Sun and relative movement

ο Aurigae is distant 482.25 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

147.93 pc
482.25 ly
-6 km/s
-0.01 arcsec/year
0.001 arcsec/year

Spectral properties of ο Aurigae

ο Aurigae belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star. ο Aurigae is also a Cr chemically peculiar star.


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

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

Alternative designations of ο Aurigae

ο Aurigae
(omicron Aurigae)