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HD 1647

HD 1647 Facts

  • HD 1647 is a giant star that can be located in the constellation of Tucana. The description is based on the spectral class.
  • HD 1647 is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (G5III) of the star, the star's colour is yellow .
  • The star is calculated at being about 1370.43 light years away from us. Distance

HD 1647's Alternative Names

The Id of the star in the Henry Draper catalogue is HD1647.

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

Location of HD 1647

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 1647, the location is 00h 20m 17.1186 and -68° 54` 05.984 .

Radial Velocity and Proper Motion of HD 1647

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 0.96 milliarcseconds/year towards the north and 31.96 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 3.05200 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 of HD 1647

HD 1647 Temperature and Colour

Based on the star's spectral type of G5III , HD 1647's colour and type is yellow giant star. Based on the star's spectral, the stars temperature is between 5,200.00 and 6,000.00 degrees kelvin.

Distance to HD 1647

The Parallax of the star is given as 2.38000 which gives a calculated distance to HD 1647 of 1370.43 light years from the Earth or 420.17 parsecs. It is about 8,056,244,570,172,015 miles from Earth.

The star is roughly 86,665,679.75 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 1647

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)
Walking4229,758,286,720.12
Car1207,658,609,557.34
Airbus A3807361,248,686,340.87
Speed of Sound (Mach 1)767.2691,197,797,834.76
Concorde (Mach 2)1,534.54598,898,136.82
New Horizons Probe 33,00027,849,489.30
Speed of Light670,616,629.001,370.43

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Additional HD 1647 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameHD 1647
Alternative NamesHD 1647
Spectral TypeG5III
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeGiant Star
ColourYellow
GalaxyMilky Way
ConstellationTucana
Right Ascension (R.A.)00h 20m 17.1186
Declination (Dec.)-68° 54` 05.984
Distance from Earth2.38000 Parallax (milliarcseconds)
 1370.43 Light Years
 420.17 Parsecs
 86,665,679.75 Astronomical Units
Proper Motion Dec.0.95700 milliarcseconds/year
Proper Motion RA.31.95700 milliarcseconds/year
Radial Velocity3.05200 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Calculated Facts


Calculated Temperature Range5,200.00 - 6,000.00

Related Stars


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