Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:43  
clear_day Transit: 12:58  
SunsetSet: 21:12 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Draco » 

4 Draconis

Altitude: 44.0°   Azimuth: 330.8°   Direction: North-North-West

4 Draconis is a variable giant star in the constellation of Draco.

4 Draconis visual magnitude is 4.95. Because of its moderate brightness, 4 Draconis 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 4 Draconis:

4.95
Giant

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

Altitude: 44.0°
Azimuth: 330.8°
Direction: North-North-West

Celestial coordinates and finder chart of 4 Draconis

4 Draconis is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 4 Draconis are provided in the following table:

12h 30m 06s
+69° 12’ 03”
125.75°
47.81°
Draco

The simplified sky map below shows the position of 4 Draconis in the sky:

Finder chart 4 Draconis star
Simplified finder chart for 4 Draconis.

Visibility of 4 Draconis from your location

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

4 Draconis is circumpolar and transits at 19:14 UTC (altitude: 72.3°)

Digitized Sky Survey image of 4 Draconis

The image below is a photograph of 4 Draconis 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 4 Draconis is -0.059 arcsec per year in Right Ascension and -0.052 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 4 Draconis star
DSS2 image of 4 Draconis. The red arrow shows the motion of 4 Draconis during the next 10000 years (-9.83 arcmin in Right Ascension and -8.67 arcmin in declination);

Distance of 4 Draconis from the Sun and relative movement

4 Draconis is distant 581.11 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

178.25 pc
581.11 ly
-13 km/s
-0.059 arcsec/year
-0.052 arcsec/year

Spectral properties of 4 Draconis

4 Draconis belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.

-1.31
M3III
3622K

The red dot in the diagram below shows where 4 Draconis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 4 Draconis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 4 Draconis

SAO15816
SAO15816