Universe Guide

HD 147655

HD 147655 Facts

HD 147655's Alternative Names

The Id of the star in the Henry Draper catalogue is HD147655.

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

Proper Motion of HD 147655

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 -5.28 milliarcseconds/year towards the north and 1.17 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 (Colour) of HD 147655

HD 147655 Colour and Temperature

HD 147655 has a spectral type of A0/1V. This means the star is a blue - white main sequence star.

Distance to HD 147655

The Parallax of the star is given as 1.63 which gives a calculated distance to HD 147655 of 2001.00 light years from the Earth or 613.50 parsecs. It would take a spaceship travelling at the speed of light, 2001.00 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 126,542,576.87 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 147655 Facts and Figures

Visual Facts

Primary / Proper / Traditional NameHD 147655
Alternative NamesHD 147655
Spectral TypeA0/1V
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type Main Sequence Dwarf Star
GalaxyMilky Way
Right Ascension (R.A.)16h 25m 06.7178
Distance from Earth1.63 Parallax (milliarcseconds)
 2001.00 Light Years
 613.50 Parsecs
 126,542,576.87 Astronomical Units
Proper Motion Dec.-5.28 milliarcseconds/year
Proper Motion RA.1.17 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Related Stars

Comments and Questions

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