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EE Ceti

EE Ceti Facts

EE Ceti's Alternative Names

HIP13199 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD17613.

EE Ceti has alternative name(s) :- EE Cet, EE Cet.

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+08 433.

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

Radial Velocity and Proper Motion of EE 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 -13.82 ± 4.55 miliarcseconds/year towards the north and 59.22 ± 7.30 miliarcseconds/year east if we saw them in the horizon.

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 1.60 km/s with an error of about 0.93 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.

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 EE Ceti Facts and Figures

Visual Facts


Primary / Proper / Traditional NameEE Ceti
Alternative NamesEE Cet, HD 17613, HIP 13199, BD+08 433, EE Cet
Constellation's Main StarNo
Multiple Star SystemYes
Star TypeVariable Star
GalaxyMilky Way
ConstellationCetus
Age6.90 Billion Years Old
Age Range5.50 - 8.40 Billion Years Old
Galactic Latitude-43.91 degrees
Galactic Longitude165.58 degrees
Distance from Earth14.52 Parallax (milliarcseconds)
 224.63 Light Years
 68.87 Parsecs
 14,205,358.22 Astronomical Units
Proper Motion Dec.-13.82 ± 4.55 milliarcseconds/year
Proper Motion RA.59.22 ± 7.30 milliarcseconds/year
Radial Velocity1.60 ± 0.93 km/s
Iron Abundance-0.22 ± 0.08 Fe/H

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassEclipsing binary sys
Variable Star TypeW Ursae Majoris
Mean Variability Period in Days0.380
Variable Magnitude Range (Brighter - Dimmer)8.758 - 9.030

Sources and Links


SIMBAD SourceLink

Multi-Star System

The star has been identified as being a multi-star system, one in which there is at least one star in close orbit to another star or two or more stars orbiting a central point. The stars may be of equal mass, unequal mass where one star is stronger than the other or be in groups orbiting a central point which doesn't necessarily have to be a star. More information can be found on my dedicated multiple star systems page. The source of the info is Simbad. The file is dated 2000 so any differences between this and any other source will be down to the actual source from where the information came from.


Proper Motion mas/yr
H.D. IdB.D. IdStar CodeMagnitudeR.A.Dec.SpectrumColourYear
17613+08 433.0A8.5000038.00000-17.00000F8Yellow/White
B8.8000039.000007.000001831

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