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HD 28529

Primary Facts on HD 28529

HD 28529's Alternative Names

The Id of the star in the Henry Draper catalogue is HD28529.

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

Location of HD 28529

The location of the subgiant 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 28529, the location is 04 29 44.7904026958 and -02 28 44.092357724 .

Radial Velocity and Proper Motion of HD 28529

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 1.73 miliarcseconds/year towards the north and 8.54 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 52.03 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 28529

HD 28529 has a spectral type of F0IV C ~. This means the star is a blue to white subgiant star.

Distance to HD 28529

The Parallax of the star is given as 1.93 which gives a calculated distance to HD 28529 of 1689.44 light years from the Earth or 517.97 parsecs. It would take a spaceship travelling at the speed of light, 1689.44 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 106,838,237.23 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 28529 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHD 28529
Alternative NamesHD 28529
Spectral TypeF0IV C ~
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeSubgiant Star
Colour blue to white
GalaxyMilky Way
ConstellationEridanus
Right Ascension (R.A.)04 29 44.7904026958
Declination (Dec.)-02 28 44.092357724
Distance from Earth1.93 Parallax (milliarcseconds)
 1689.44 Light Years
 517.97 Parsecs
 106,838,237.23 Astronomical Units
Proper Motion Dec.1.73 milliarcseconds/year
Proper Motion RA.8.54 milliarcseconds/year
Radial Velocity52.03 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=hd28529

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