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CN Boötis

CN Boötis Facts

  • CN Boötis is a pulsating main sequence star that can be located in the constellation of Bootes. The description is based on the spectral class.
  • CN Boötis is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (A8V C) of the star, the star's colour is blue - white .
  • The star is calculated at being about 151.64 light years away from us. Distance

CN Bootis's Alternative Names

The Id of the star in the Yale Bright Star Catalogue is HR5443. The Id of the star in the Henry Draper catalogue is HD124953.

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

Location of CN Boötis

The location of the main sequence 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 CN Boötis, the location is 14h 16m 04.139 and +18 54 42.48 .

Radial Velocity and Proper Motion of CN Boötis

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 -30.65 milliarcseconds/year towards the north and 40.14 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 4.00000 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 CN Boötis

CN Bootis Temperature and Colour

Based on the star's spectral type of A8V C , CN Bootis's colour and type is blue - white main sequence star. Based on the star's spectral, the stars temperature is between 7,500.00 and 10,000.00 degrees kelvin.

Distance to CN Boötis

The Parallax of the star is given as 21.50870 which gives a calculated distance to CN Boötis of 151.64 light years from the Earth or 46.49 parsecs. It is about 891,434,751,589,563 miles from Earth.

The star is roughly 9,589,184.02 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 CN Bootis

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)
Walking425,423,076,405.39
Car120847,435,880.18
Airbus A380736138,168,893.51
Speed of Sound (Mach 1)767.269132,538,008.99
Concorde (Mach 2) 1,534.5466,268,918.13
New Horizons Probe33,0003,081,585.02
Speed of Light670,616,629.00151.64

Variable Type of CN Boötis

The star is a pulsating Delta Scuti variable type which means that its size changes over time. The Variable Type is usually named after the first star of that type to be spotted.

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Additional CN Boötis Facts and Figures

Visual Facts


Primary / Proper / Traditional NameCN Bootis
Alternative NamesHD 124953, HR 5443
Spectral TypeA8V C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type Main Sequence Dwarf Star
ColourBlue
GalaxyMilky Way
ConstellationBootes
Right Ascension (R.A.)14h 16m 04.139
Declination (Dec.)+18 54 42.48
Distance from Earth21.50870 Parallax (milliarcseconds)
 151.64 Light Years
 46.49 Parsecs
 9,589,184.02 Astronomical Units
Proper Motion Dec.-30.65200 milliarcseconds/year
Proper Motion RA.40.14400 milliarcseconds/year
Radial Velocity4.00000 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassPulsating
Variable Star TypeDelta Scuti

Estimated Calculated Facts


Calculated Temperature Range7,500.00 - 10,000.00

Related Stars


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