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GD 165

GD 165 Facts

Location of GD 165

The location of the dwarf 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 GD 165, the location is 14h 24m 39.144 and +09° 17` 13.98 .

Radial Velocity and Proper Motion of GD 165

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 -150.00 miliarcseconds/year towards the north and -207.00 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 -26.80 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 GD 165

GD 165 has a spectral type of DA4.1 C. This means the star is a white dwarf star.

Distance to GD 165

The Parallax of the star is given as 26.60 which gives a calculated distance to GD 165 of 122.62 light years from the Earth or 37.59 parsecs. It would take a spaceship travelling at the speed of light, 122.62 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 7,753,440.04 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 GD 165 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameGD 165
Spectral TypeDA4.1 C
Constellation's Main StarNo
Multiple Star SystemYes
Star TypeDwarf Star
ColourWhite
GalaxyMilky Way
ConstellationBootes
Right Ascension (R.A.)14h 24m 39.144
Declination (Dec.)+09° 17` 13.98
Distance from Earth26.60 Parallax (milliarcseconds)
 122.62 Light Years
 37.59 Parsecs
 7,753,440.04 Astronomical Units
Proper Motion Dec.-150.00 milliarcseconds/year
Proper Motion RA.-207.00 milliarcseconds/year
Radial Velocity-26.80 km/s
Associated / Clustered StarsGD 165 B

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=GD+165

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