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HD 203674

HD 203674 Facts

HD 203674's Alternative Names

The Id of the star in the Henry Draper catalogue is HD203674.

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

Location of HD 203674

The location of the giant 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 HD 203674, the location is 21 24 22.8476300248 and -23 17 25.806343031 .

Radial Velocity and Proper Motion of HD 203674

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 3.80 miliarcseconds/year towards the north and 26.83 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 -48.86 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 HD 203674

HD 203674 has a spectral type of G6III C. This means the star is a white to yellow giant star.

Distance to HD 203674

The Parallax of the star is given as 3.39 which gives a calculated distance to HD 203674 of 961.62 light years from the Earth or 294.83 parsecs. It would take a spaceship travelling at the speed of light, 961.62 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 60,812,629.08 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 HD 203674 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHD 203674
Alternative NamesHD 203674
Spectral TypeG6III C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeGiant Star
ColourWhite to Yellow
GalaxyMilky Way
ConstellationCapricornus
Right Ascension (R.A.)21 24 22.8476300248
Declination (Dec.)-23 17 25.806343031
Distance from Earth3.39 Parallax (milliarcseconds)
 961.62 Light Years
 294.83 Parsecs
 60,812,629.08 Astronomical Units
Proper Motion Dec.3.80 milliarcseconds/year
Proper Motion RA.26.83 milliarcseconds/year
Radial Velocity-48.86 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=hd%20203674

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