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CS Canum Venaticorum, HIP66682

Primary Facts on CS Canum Venaticorum

  • CS Canum Venaticorum's star type is main sequence dwarf star that can be located in the constellation of Canes Venatici. The description is based on the spectral class.
  • CS Canum Venaticorum is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (M0V) of the star, the star's colour is red .
  • The star can not be seen by the naked eye, you need a telescope to see it.
  • The star is calculated at being about 4291.62 light years away from us.

CS Canum Venaticorum's Alternative Names

HIP66682 is the reference name for the star in the Hipparcos Star Catalogue.

CS Canum Venaticorum has alternative name(s) :- , CS CVn.

BD number is the number that the star was filed under in the Durchmusterung or Bonner Durchmusterung, a star catalogue that was put together by the Bonn Observatory between 1859 to 1903. The star's BD Number is BD+35 2472.

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

Location of CS Canum Venaticorum

The location of the 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 star is compared to the celestial equator and is expressed in degrees. For CS Canum Venaticorum, the location is 13h 40m 11.39 and +35° 03` 11.3 .

Physical Properties (Colour, Temperature) of CS Canum Venaticorum

CS Canum Venaticorum has a spectral type of M0V. This means the star is a red main sequence dwarf star. The star has a B-V Colour Index of 1.56 which means the star's temperature has been calculated using information from Morgans @ Uni.edu at being 3,871 Kelvin.

CS Canum Venaticorum Radius has been calculated as being 41.43 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 28,824,130.40.km. If you need the diameter of the star, you just need to multiple the radius by 2. The figure is derived at by using the formula from SDSS and has been known to produce widely incorrect figures.

CS Canum Venaticorum Apparent and Absolute Magnitudes

CS Canum Venaticorum has an apparent magnitude of 9.10 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Using the supplied Parallax value, you would get an absolute magnitude of -1.50 Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number.

Distance to CS Canum Venaticorum

Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 0.76 which gave the calculated distance to CS Canum Venaticorum as 4291.62 light years away from Earth or 1315.79 parsecs. It would take a spaceship travelling at the speed of light, 4291.62 years to get there. We don't have the technology or spaceship that can carry people over that distance yet. CS Canum Venaticorum brightness ranges from a magnitude of 9.252 to a magnitude of 9.126 over its variable period. The smaller the magnitude, the brighter the star. Its variable/pulsating period lasts for 0.1 days (variability).

Source of Information

The source of the information if it has a Hip I.D. is from Simbad, the Hipparcos data library based at the University at Strasbourg, France. Hipparcos was a E.S.A. satellite operation launched in 1989 for four years. The items in red are values that I've calculated so they could well be wrong. Information regarding Metallicity and/or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

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Additional CS Canum Venaticorum Facts and Figures

Visual Facts


Primary / Proper / Traditional NameCS Canum Venaticorum
Alternative NamesHIP 66682, BD+35 2472, CS CVn
Spectral TypeM0V
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type main sequence Dwarf Star
Colour red
GalaxyMilky Way
ConstellationCanes Venatici
Absolute Magnitude -1.50
Visual / Apparent Magnitude9.10
Naked Eye VisibleRequires a 7x50 Binoculars - Magnitudes
Right Ascension (R.A.)13h 40m 11.39
Declination (Dec.)+35° 03` 11.3
Galactic Latitude76.91 degrees
Galactic Longitude73.18 degrees
Distance from Earth0.76 Parallax (milliarcseconds)
 4291.62 Light Years
 1315.79 Parsecs
 271,399,278.28 Astronomical Units
B-V Index1.56

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Mean Variability Period in Days0.097
Variable Magnitude Range (Brighter - Dimmer)9.126 - 9.252

Estimated Facts


Calculated Effective Temperature3,871 Kelvin

Sources and Links


SIMBAD SourceLink

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