We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
sunny DaytimeWhat's Visible Now?
All Constellations » Draco » 

39 Draconis

Altitude: 81.2°   Azimuth: 30.5°   Direction: North-North-East

39 Draconis is a multiple main-sequence star in the constellation of Draco.

39 Draconis visual magnitude is 4.98. Because of its moderate brightness, 39 Draconis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of 39 Draconis is -0.039 arcsec per year in Right Ascension and 0.06 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 39 Draconis star
DSS2 image of 39 Draconis. The red arrow shows the motion of 39 Draconis during the next 10000 years (-6.50 arcmin in Right Ascension and 10.00 arcmin in declination);

Key facts about 39 Draconis

4.98
Main-sequence

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

Altitude: 81.2°
Azimuth: 30.5°
Direction: North-North-East

Celestial coordinates and finder chart of 39 Draconis

39 Draconis 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 Draconis are provided in the following table:

18h 23m 54s
+58° 48’ 02”
87.88°
26.44°
Draco

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

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

Visibility of 39 Draconis from your location

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

39 Draconis is circumpolar and transits at 07:53 UTC (altitude: 82.7°)

Distance of 39 Draconis from the Sun and relative movement

39 Draconis is distant 188.33 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

57.77 pc
188.33 ly
-15 km/s
-0.039 arcsec/year
0.06 arcsec/year

Spectral properties of 39 Draconis

39 Draconis belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

1.17
A1V
9226K

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

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

39 Draconis star system properties

39 Draconis 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 39 Draconis double sysyem:

4.98
7.78
2.8
3.8 arcsec

Alternative designations of 39 Draconis

39 Draconis
SAO30949
SAO30949