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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:56 
Sunset: 20:50
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All Constellations » Draco » 

Rastaban - β Draconis (beta Draconis)

Above the horizon.  Circumpolar today
Alt: 16.87°   Az: 341.13°   Direction: North-North-West

Rastaban, also designated as β Draconis (beta Draconis), is a multiple supergiant star of spectral class G2 in the constellation of Draco.

Rastaban visual magnitude is 2.79. Because of its brightness, Rastaban is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Rastaban - β Draconis (beta Draconis) star
DSS2 image of Rastaban. The red arrow shows the motion of Rastaban during the next 10000 years (-2.67 arcmin in Right Ascension and 2.50 arcmin in declination);

Celestial Coordinates

Apparent

17h 31m 00s
+52° 17’ 00”
09h 58m 26s
03h 29m 26s

J2000

17h 30m 25s
+52° 18’ 05”

Galactic Coordinates

79.58°
33.31°

Finder Chart

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Finder chart for Rastaban - β Draconis (beta Draconis).

Magnitude, Color, Spectral Class

2.79
Supergiant

-2.43
G2I
4791K

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

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

Star System Properties

Rastaban is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Rastaban double sysyem:

2.79
11.69
8.9
4.2 arcsec

Distance, Radial Speed, Proper Motion

Rastaban is distant 361.42 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

110.86
361.42
-20 km/s
-0.016 arcsec/y
0.015"/y

Alternative Designations

Rastaban
β Draconis
(beta Draconis)
23 Draconis
SAO30429
SAO30429

Visibility from Your Location

Rastaban - β Draconis (beta Draconis) is circumpolar and transits at 01:43 UTC (altitude: 89.2°)