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DX Gem

DX Gem Facts

DX Gem's Alternative Names

HIP31306 is the reference name for the star in the Hipparcos Star Catalogue.

DX Gem has alternative name(s) :- DX Gem, DX Gem.

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

Location of DX Gem

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 DX Gem, the location is 06h 33m 54.61 and +14° 28` 17.0 .

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 DX Gem Facts and Figures

Visual Facts


Primary / Proper / Traditional NameDX Gem
Alternative NamesDX Gem, HIP 31306, DX Gem
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeVariable Star
GalaxyMilky Way
ConstellationGemini
Visual / Apparent Magnitude10.90
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)06h 33m 54.61
Declination (Dec.)+14° 28` 17.0
Galactic Latitude2.76 degrees
Galactic Longitude198.07 degrees
Distance from Earth-2.58 Parallax (milliarcseconds)
 -1264.20 Light Years
 -387.60 Parsecs
 -79,947,681.82 Astronomical Units
B-V Index0.42
Radial Velocity16.00 ± 0.90 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 Days3.138
Variable Magnitude Range (Brighter - Dimmer)10.698 - 11.127

Estimated Calculated Facts


Effective Temperature6,600 Kelvin

Sources and Links


SIMBAD SourceLink

Related Stars


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