ε Draconis (epsilon Draconis)

Above the horizon. Circumpolar today

Alt: 31.98° Az: 356.50° Direction: North

ε Draconis is a variable and double giant star of spectral class G7 in the constellation of Draco.

ε Draconis visual magnitude is 3.83. Because of its moderate brightness, ε Draconis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ε Draconis (epsilon Draconis) star

DSS2 image of ε Draconis. The red arrow shows the motion of ε Draconis during the next 10000 years (13.67 arcmin in Right Ascension and 6.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 48m 04s

Declination +70° 19’ 56”

Hour Angle 11h 24m 34s

Sidereal Time 07h 12m 38s

J2000

Right Ascension 19h 48m 10s

Declination +70° 16’ 04”

Galactic Coordinates

Galactic Longitude 102.43°

Galactic Latitude 20.83°

Finder Chart

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Finder chart for ε Draconis (epsilon Draconis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.83

Class Giant

Absolute magnitude 0.58

Spectral Type G7III

Color Index (B-V) 0.89

Temperature 5023K

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

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

Star System Properties

ε 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 ε Draconis double sysyem:

Main star magnitude 3.83

Secondary star magnitude 7.03

Magnitude difference 3.2

Separation 3.2 arcsec

Distance, Radial Speed, Proper Motion

ε Draconis is distant 145.54 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 44.64

Distance (light year) 145.54

Radial Speed 3 km/s

Proper Motion RA 0.082 arcsec/y

Proper Motion Dec 0.037"/y

Alternative Designations

Bayer designation ε Draconis
(epsilon Draconis)

Flamsteed designation 63 Draconis

Henry Draper Catalogue HD188119

SAO Catalogue SAO9540

Hipparcos Catalogue HIP97433

Durchmusterung Catalogue BD+69 1070

General Catalogue of Variable Stars 12465

Aitken Double Star Catalogue ADS13007

Visibility from Your Location

ε Draconis (epsilon Draconis) is circumpolar and transits at 00:07 UTC (altitude: 71.1°)

In Evidence

Other stars in Draco

ε Draconis (epsilon Draconis)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Draco

ε Draconis (epsilon Draconis)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location