Aldhibah - ζ Draconis (zeta Draconis)

Above the horizon. Circumpolar today

Alt: 51.65° Az: 39.61° Direction: North-East

Aldhibah, also designated as ζ Draconis (zeta Draconis), is a giant star of spectral class B6 in the constellation of Draco.

Aldhibah visual magnitude is 3.17. Because of its moderate brightness, Aldhibah 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 Aldhibah - ζ Draconis (zeta Draconis) star

DSS2 image of Aldhibah. The red arrow shows the motion of Aldhibah during the next 10000 years (-3.33 arcmin in Right Ascension and 3.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 08m 52s

Declination +65° 41’ 00”

Hour Angle 19h 04m 28s

Sidereal Time 12h 13m 20s

J2000

Right Ascension 17h 08m 47s

Declination +65° 42’ 52”

Galactic Coordinates

Galactic Longitude 96.01°

Galactic Latitude 35.04°

Finder Chart

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Finder chart for Aldhibah - ζ Draconis (zeta Draconis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.17

Class Giant

Absolute magnitude -1.92

Spectral Type B6III

Color Index (B-V) -0.12

Temperature 11920K

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

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

Distance, Radial Speed, Proper Motion

Aldhibah is distant 339.58 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 104.17

Distance (light year) 339.58

Radial Speed -17 km/s

Proper Motion RA -0.02 arcsec/y

Proper Motion Dec 0.022"/y

Alternative Designations

Proper Name Aldhibah

Bayer designation ζ Draconis
(zeta Draconis)

Flamsteed designation 22 Draconis

Henry Draper Catalogue HD155763

SAO Catalogue SAO17365

Hipparcos Catalogue HIP83895

Durchmusterung Catalogue BD+65 1170

FK5 Catalogue 639

Visibility from Your Location

Aldhibah - ζ Draconis (zeta Draconis) is circumpolar and transits at 01:40 UTC (altitude: 75.8°)

Set Location

Other stars in Draco