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AB Draconis

AB Draconis Facts

AB Draconis's Alternative Names

AB Draconis has alternative name(s) :- AB Dra.

More details on objects' alternative names can be found at Star Names .

Location of AB Draconis

The location of the star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For AB Draconis, the location is 19 49 06.5316904125 and +77 44 23.339425388 .

Radial Velocity and Proper Motion of AB Draconis

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving -10.72 miliarcseconds/year towards the north and -8.29 miliarcseconds/year east if we saw them in the horizon.

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is -5.00 km/s . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

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Additional AB Draconis Facts and Figures

Visual Facts


Primary / Proper / Traditional NameAB Draconis
Alternative NamesAB Dra
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
ConstellationDraconis
Right Ascension (R.A.)19 49 06.5316904125
Declination (Dec.)+77 44 23.339425388
Distance from Earth2.44 Parallax (milliarcseconds)
  1335.59 Light Years
 409.48 Parsecs
 84,460,724.33 Astronomical Units
Proper Motion Dec.-10.72 milliarcseconds/year
Proper Motion RA.-8.29 milliarcseconds/year
Radial Velocity-5.00 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=ab%20draconis

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