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HD 229059 (Blue Supergiant Star) Facts

HD 229059 Facts

  • HD 229059 is a supergiant star that can be located in the constellation of Cygnus. The description is based on the spectral class.
  • HD 229059 is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (B2Iabe C) of the star, the star's colour is blue .
  • The star is calculated at being about 5417.10 light years away from us. Distance

HD 229059's Alternative Names

The Id of the star in the Henry Draper catalogue is HD229059.

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

Location of HD 229059

The location of the supergiant 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 229059, the location is 20 21 15.3643765026 and +37 24 31.103826768 .

Proper Motion of HD 229059

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 -6.23 milliarcseconds/year towards the north and -3.56 milliarcseconds/year east if we saw them in the horizon. . 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 HD 229059

HD 229059 Temperature and Colour

Based on the star's spectral type of B2Iabe C , HD 229059's colour and type is blue supergiant star. Based on the star's spectral, the stars temperature is between 10,000.00 and 30,000.00 degrees kelvin.

Distance to HD 229059

The Parallax of the star is given as 0.60210 which gives a calculated distance to HD 229059 of 5417.10 light years from the Earth or 1660.85 parsecs. It is about 31,845,101,509,072,934 miles from Earth.

The star is roughly 342,572,516.38 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 HD 229059

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)
Walking4908,199,335,238.98
Car12030,273,311,174.63
Airbus A3807364,935,865,952.39
Speed of Sound (Mach 1)767.2694,734,711,477.92
Concorde (Mach 2)1,534.542,367,352,653.54
New Horizons Probe33,000110,084,767.91
Speed of Light670,616,629.005,417.10

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Additional HD 229059 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHD 229059
Alternative NamesHD 229059
Spectral TypeB2Iabe C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type very luminous Supergiant Star
ColourBlue
GalaxyMilky Way
ConstellationCygnus
Right Ascension (R.A.)20 21 15.3643765026
Declination (Dec.)+37 24 31.103826768
Distance from Earth0.60210 Parallax (milliarcseconds)
 5417.10 Light Years
 1660.85 Parsecs
 342,572,516.38 Astronomical Units
Proper Motion Dec.-6.23200 milliarcseconds/year
Proper Motion RA.-3.55600 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Calculated Facts


Calculated Temperature Range10,000.00 - 30,000.00

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=hd%20229059

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