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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
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All Constellations » Auriga » 

39 Aurigae

Altitude: 13.9°   Azimuth: 324.9°   Direction: North-West

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

39 Aurigae visual magnitude is 5.87. Because of its reltive faintness, 39 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 39 Aurigae:

5.87
Main-sequence

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

Altitude: 13.9°
Azimuth: 324.9°
Direction: North-West

Celestial coordinates and finder chart of 39 Aurigae

39 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 39 Aurigae are provided in the following table:

06h 05m 03s
+42° 58’ 54”
169.69°
10.37°
Auriga

The simplified sky map below shows the position of 39 Aurigae in the sky:

Finder chart 39 Aurigae star
Simplified finder chart for 39 Aurigae.

Visibility of 39 Aurigae from your location

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

39 Aurigae is circumpolar and transits at 01:10 UTC (altitude: 81.5°)

Digitized Sky Survey image of 39 Aurigae

The image below is a photograph of 39 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 39 Aurigae is -0.039 arcsec per year in Right Ascension and -0.143 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 39 Aurigae star
DSS2 image of 39 Aurigae. The red arrow shows the motion of 39 Aurigae during the next 1000 years (-0.65 arcmin in Right Ascension and -2.38 arcmin in declination);

Distance of 39 Aurigae from the Sun and relative movement

39 Aurigae is distant 168.21 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

51.60 pc
168.21 ly
34 km/s
-0.039 arcsec/year
-0.143 arcsec/year

Spectral properties of 39 Aurigae

39 Aurigae belongs to spectral class F3 and has a luminosity class of V corresponding to a main-sequence star.

2.31
F3V
7462K

The red dot in the diagram below shows where 39 Aurigae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 39 Aurigae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 39 Aurigae

SAO40840
SAO40840