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Gamma Virginis A

Gamma Virginis A Facts

Gamma Virginis A's Alternative Names

The Id of the star in the Yale Bright Star Catalogue is HR4825. The Gliese ID of the star is GL 482 A. The star was part of the original catalogue devised by German Astronomer Wilheim Gliese of stars located within 20 parsecs of Earth. Star Names

Gamma Virginis A has alternative name(s) :- Gam Vir A, 29 Vir A, GJ 482 A, LHS 2604.

BD number is the number that the star was filed under in the Durchmusterung or Bonner Durchmusterung, a star catalogue that was put together by the Bonn Observatory between 1859 to 1903. The star's BD Number is BD-00 2601A.

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

Location of Gamma Virginis A

The location of the main sequence 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 Gamma Virginis A, the location is 12 41 39.6237654353 and -01 26 57.821832451 .

Radial Velocity and Proper Motion of Gamma Virginis A

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 83.66 milliarcseconds/year towards the north and -600.88 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 -19.80 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 Gamma Virginis A

Gamma Virginis A Colour and Temperature

Gamma Virginis A has a spectral type of F1V C. This means the star is a blue to white main sequence star.

Distance to Gamma Virginis A

The Parallax of the star is given as 86.06 which gives a calculated distance to Gamma Virginis A of 37.90 light years from the Earth or 11.62 parsecs. It would take a spaceship travelling at the speed of light, 37.90 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 2,396,780.35 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.

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Additional Gamma Virginis A Facts and Figures

Visual Facts


Primary / Proper / Traditional NameGamma Virginis A
Alternative NamesGam Vir A, 29 Vir A, GJ 482 A, LHS 2604, HR 4825, BD-00 2601A, Gliese 482 A
Spectral TypeF1V C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type Main Sequence Dwarf Star
ColourYellow - White
GalaxyMilky Way
ConstellationVirgo
Right Ascension (R.A.)12 41 39.6237654353
Declination (Dec.)-01 26 57.821832451
Distance from Earth86.06 Parallax (milliarcseconds)
 37.90 Light Years
 11.62 Parsecs
 2,396,780.35 Astronomical Units
Proper Motion Dec.83.66 milliarcseconds/year
Proper Motion RA.-600.88 milliarcseconds/year
Radial Velocity-19.80 km/s
Associated / Clustered StarsGamma Virginis B
Porrima

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=Gam%20Vir%20A

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