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ZZ Ceti

ZZ Ceti Facts

  • ZZ Ceti is a dwarf star that can be located in the constellation of Cetus. The description is based on the spectral class.
  • ZZ Ceti is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (DA4.0 C) of the star, the star's colour is white.
  • The star is calculated at being about 106.85 light years away from us. Distance

Location of ZZ Ceti

The location of the dwarf 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 ZZ Ceti, the location is 01h 36m 13.6155835488 and -11` 20° 32.631811638 .

Proper Motion of ZZ Ceti

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 -116.45 milliarcseconds/year towards the north and 460.85 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 of ZZ Ceti

ZZ Ceti Temperature and Colour

Based on the star's spectral type of DA4.0 C , ZZ Ceti's colour and type is white dwarf star. Based on the star's spectral, the stars temperature is between 0.00 and 0.00 degrees kelvin.

Distance to ZZ Ceti

The Parallax of the star is given as 30.52 which gives a calculated distance to ZZ Ceti of 106.85 light years from the Earth or 32.76 parsecs. It is about 628,131,121,124,669 miles from Earth.

The star is roughly 6,757,187.97 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 ZZ Ceti

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)
Walking417,913,846,702.16
Car120597,128,223.41
Airbus A38073697,357,862.51
Speed of Sound (Mach 1)767.26993,390,175.82
Concorde (Mach 2)1,534.5446,695,027.05
New Horizons Probe33,0002,171,375.36
Speed of Light670,616,629.00106.85

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Additional ZZ Ceti Facts and Figures

Visual Facts


Primary / Proper / Traditional NameZZ Ceti
Spectral TypeDA4.0 C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeDwarf Star
ColourWhite
GalaxyMilky Way
ConstellationCetus
Right Ascension (R.A.)01h 36m 13.6155835488
Declination (Dec.)-11` 20° 32.631811638
Distance from Earth30.52 Parallax (milliarcseconds)
 106.85 Light Years
 32.76 Parsecs
 6,757,187.97 Astronomical Units
Proper Motion Dec.-116.45 milliarcseconds/year
Proper Motion RA.460.85 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Related Stars


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