Universe Guide

HD 165475

HD 165475 Facts

HD 165475's Alternative Names

The Id of the star in the Henry Draper catalogue is HD165475.

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

Location of HD 165475

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 165475, the location is 18 05 43.300 and +12 00 13.85 .

Radial Velocity and Proper Motion of HD 165475

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 -2.60 milliarcseconds/year towards the north and -4.10 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 13.00 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 165475

HD 165475 Colour and Temperature

HD 165475 has a spectral type of A4III. This means the star is a blue - white giant star.

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Additional HD 165475 Facts and Figures

Visual Facts

Primary / Proper / Traditional NameHD 165475
Alternative NamesHD 165475
Spectral TypeA4III
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeGiant Star
GalaxyMilky Way
Right Ascension (R.A.)18 05 43.300
Declination (Dec.)+12 00 13.85
Proper Motion Dec.-2.60 milliarcseconds/year
Proper Motion RA.-4.10 milliarcseconds/year
Radial Velocity13.00 km/s

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

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Comments and Questions

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