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AB Geminorum (Carbon Star) Facts

AB Geminorum Facts

AB Geminorum's Alternative Names

AB Geminorum has alternative name(s) :- AB Gem.

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

Location of AB Geminorum

The location of the Carbon 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 Geminorum, the location is 06 26 14.1195242759 and +19 04 25.656407414 .

Radial Velocity and Proper Motion of AB Geminorum

Proper Motion

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 -3.29 milliarcseconds/year towards the north and -1.49 milliarcseconds/year east if we saw them in the horizon.

Radial Velocity

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 7.00 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.

Physical Properties (Colour) of AB Geminorum

AB Geminorum Colour and Temperature

AB Geminorum has a spectral type of C5,4. This means the star is a carbon red Carbon star.

Distance to AB Geminorum

The Parallax of the star is given as 0.61 which gives a calculated distance to AB Geminorum of 5366.29 light years from the Earth or 1645.28 parsecs. It is about 31,546,408,553,861,420.84 miles from Earth.

The star is roughly 339,360,995.72 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

Time to Travel to AB Geminorum

A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).

If you were to drive there at about 120 m.p.h. in a car with an infinity engine so you didn't have to pull over for petrol, it would take you 262,886,737,948,845.17 hours or 30,009,901,592.33 years.

At the time of writing, the fastest probe so far created is the New Horizon probe which is travelling at a speed of 33,000 m.p.h. If the probe was travelling to AB Geminorum then it would take 955,951,774,359.44 hours / 109,126,914.88 years to get there. Speed Ref: N.A.S.A.

It would to take a spaceship journey travelling at the speed of light, 5366.29 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

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Additional AB Geminorum Facts and Figures

Visual Facts


Primary / Proper / Traditional NameAB Geminorum
Alternative NamesAB Gem
Spectral TypeC5,4
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeCarbon Star
ColourRed
GalaxyMilky Way
ConstellationGemini
Right Ascension (R.A.)06 26 14.1195242759
Declination (Dec.)+19 04 25.656407414
Distance from Earth0.61 Parallax (milliarcseconds)
 5366.29 Light Years
 1645.28 Parsecs
 339,360,995.72 Astronomical Units
Proper Motion Dec.-3.29 milliarcseconds/year
Proper Motion RA.-1.49 milliarcseconds/year
Radial Velocity7.00 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


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

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