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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: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Auriga » 

16 Aurigae

Altitude: 5.6°   Azimuth: 40.1°   Direction: North-East

16 Aurigae is a variable and double giant star in the constellation of Auriga.

16 Aurigae visual magnitude is 4.54. Because of its moderate brightness, 16 Aurigae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 16 Aurigae:


16 Aurigae is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.6°
Azimuth: 40.1°
Direction: North-East

Celestial coordinates and finder chart of 16 Aurigae

16 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 16 Aurigae are provided in the following table:

05h 18m 10s
+33° 22’ 18”

The simplified sky map below shows the position of 16 Aurigae in the sky:

Finder chart 16 Aurigae star
Simplified finder chart for 16 Aurigae.

Visibility of 16 Aurigae from your location

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

Today's 16 Aurigae rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.6°
Max altitude: 71.9°
Azimuth: 303.4°

Digitized Sky Survey image of 16 Aurigae

The image below is a photograph of 16 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 16 Aurigae is 0.045 arcsec per year in Right Ascension and -0.16 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 16 Aurigae star
DSS2 image of 16 Aurigae. The red arrow shows the motion of 16 Aurigae during the next 1000 years (0.75 arcmin in Right Ascension and -2.67 arcmin in declination);

Distance of 16 Aurigae from the Sun and relative movement

16 Aurigae is distant 234.20 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

71.84 pc
234.20 ly
-28 km/s
0.045 arcsec/year
-0.16 arcsec/year

Spectral properties of 16 Aurigae

16 Aurigae belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 16 Aurigae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 16 Aurigae. Attribution: Richard Powell / CC BY-SA

16 Aurigae star system properties

16 Aurigae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 16 Aurigae double sysyem:

4.2 arcsec

Alternative designations of 16 Aurigae