Universe Guide

EY Carinae

EY Carinae Facts

  • EY Carinae is a pulsating variable star that can be located in the constellation of Carina. The description is based on the spectral class.
  • EY Carinae is not part of the constellation outline but is within the borders of the constellation.
  • The star can not be seen by the naked eye, you need a telescope to see it.
  • Using the most recent figures given by the 2007 Hipparcos data, the star is 1469.20 light years away from us. Distance

EY Carinae's Alternative Names

HIP52380 is the reference name for the star in the Hipparcos Star Catalogue.

EY Carinae has alternative name(s) :- EY Car, EY Car.

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

Location of EY Carinae

The location of the variable 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 EY Carinae, the location is 10h 42m 23.04 and -61° 09` 57.3 .

Radial Velocity and Proper Motion of EY Carinae

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 5.07 ± 1.26 milliarcseconds/year towards the north and -6.37 ± 1.59 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 18.00 km/s with an error of about 4.70 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 EY Carinae Facts and Figures

Visual Facts

Primary / Proper / Traditional NameEY Carinae
Alternative Names EY Car, HIP 52380, EY Car
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeVariable Star
GalaxyMilky Way
Absolute Magnitude 3.09 / 2.12
Visual / Apparent Magnitude10.39
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)10h 42m 23.04
Declination (Dec.)-61° 09` 57.3
Galactic Latitude-2.09 degrees
Galactic Longitude288.00 degrees
1997 Distance from Earth3.46 Parallax (milliarcseconds)
 942.67 Light Years
 289.02 Parsecs
2007 Distance from Earth2.22 Parallax (milliarcseconds)
 1469.20 Light Years
 450.45 Parsecs
 92,911,334.56 Astronomical Units
Proper Motion Dec.5.07 ± 1.26 milliarcseconds/year
Proper Motion RA.-6.37 ± 1.59 milliarcseconds/year
B-V Index0.67
Radial Velocity18.00 ± 4.70 km/s

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Variable Star Details

Variable Star ClassPulsating
Variable Star TypeDelta Cepheid
Mean Variability Period in Days2.876
Variable Magnitude Range (Brighter - Dimmer)10.199 - 10.675

Sources and Links

SIMBAD SourceLink

Related Stars

Comments and Questions

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