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AB Geminorum (Carbon Star) Facts

AB Geminorum Facts

  • AB Geminorum is a Carbon star that can be located in the constellation of Gemini. The description is based on the spectral class.
  • AB Geminorum is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (C5,4) of the star, the star's colour is carbon red .
  • The star is calculated at being about 5366.29 light years away from us. Distance

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 7.00000 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 of AB Geminorum

AB Geminorum Temperature and Colour

Based on the star's spectral type of C5,4 , AB Geminorum's colour and type is carbon red Carbon star. Based on the star's spectral, the stars temperature is between 2,400.00 and 3,700.00 degrees kelvin.

Distance to AB Geminorum

The Parallax of the star is given as 0.60780 which gives a calculated distance to AB Geminorum of 5366.29 light years from the Earth or 1645.28 parsecs. It is about 31,546,408,553,861,475 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.

Travel Time to AB Geminorum

The time it will take to travel to this star is dependent on how fast you are going. U.G. has done some calculations as to how long it will take going at differing speeds. A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).

The New Horizons space probe is the fastest probe that we've sent into space at the time of writing. Its primary mission was to visit Pluto which at the time of launch (2006), Pluto was still a planet.

DescriptionSpeed (m.p.h.)Time (years)
Walking4899,680,827,509.10
Car12029,989,360,916.97
Airbus A3807364,889,569,714.72
Speed of Sound (Mach 1) 767.2694,690,301,980.19
Concorde (Mach 2)1,534.542,345,147,933.61
New Horizons Probe33,000109,052,221.52
Speed of Light670,616,629.005,366.29

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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 Earth0.60780 Parallax (milliarcseconds)
 5366.29 Light Years
 1645.28 Parsecs
 339,360,995.72 Astronomical Units
Proper Motion Dec.-3.28500 milliarcseconds/year
Proper Motion RA.-1.49400 milliarcseconds/year
Radial Velocity7.00000 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Calculated Facts


Calculated Temperature Range2,400.00 - 3,700.00

Sources and Links


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

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