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CY Cygni (S Star) Facts

CY Cygni Facts

  • CY Cygni is a S-Type Star that can be located in the constellation of Cygnus. The description is based on the spectral class.
  • CY Cygni is not part of the constellation outline but is within the borders of the constellation.
  • The star is calculated at being about 5138.05 light years away from us. Distance

CY Cygni's Alternative Names

The Id of the star in the Henry Draper catalogue is HD198164.

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

Location of CY Cygni

The location of the S-Type 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 CY Cygni, the location is 20 46 50.2447575410 and +46 03 06.929987868 .

Radial Velocity and Proper Motion of CY Cygni

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 -4.75 milliarcseconds/year towards the north and -3.88 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 2.69000 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 CY Cygni

CY Cygni Temperature and Colour

Based on the star's spectral type of SC2_Zr0 Based on the star's spectral, the stars temperature is between 0.00 and 0.00 degrees kelvin.

Distance to CY Cygni

The Parallax of the star is given as 0.63480 which gives a calculated distance to CY Cygni of 5138.05 light years from the Earth or 1575.30 parsecs. It is about 30,204,671,098,686,047 miles from Earth.

The star is roughly 324,926,685.16 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 CY Cygni

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)
Walking4861,415,442,658.36
Car12028,713,848,088.61
Airbus A3807364,681,605,666.62
Speed of Sound (Mach 1)767.2694,490,813,222.79
Concorde (Mach 2)1,534.542,245,403,684.90
New Horizons Probe33,000104,413,993.05
Speed of Light670,616,629.005,138.05

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Additional CY Cygni Facts and Figures

Visual Facts


Primary / Proper / Traditional NameCY Cygni
Alternative NamesHD 198164
Spectral TypeSC2_Zr0
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeS-Type Star
GalaxyMilky Way
ConstellationCygnus
Right Ascension (R.A.)20 46 50.2447575410
Declination (Dec.)+46 03 06.929987868
Distance from Earth0.63480 Parallax (milliarcseconds)
 5138.05 Light Years
 1575.30 Parsecs
 324,926,685.16 Astronomical Units
Proper Motion Dec.-4.74600 milliarcseconds/year
Proper Motion RA.-3.88000 milliarcseconds/year
Radial Velocity2.69000 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Sources and Links


Sourcehttp://simbad.u-strasbg.fr/simbad/sim-id?Ident=cy%20cygni

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