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WASP-117

Primary Facts on WASP-117

Location of WASP-117

The location of the 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 WASP-117, the location is 02h 27m 06.00 and -50° 17` 04.00 .

Physical Properties (Colour, Metallicity, Age, Radius) of WASP-117

WASP-117 has a spectral type of F9. This means the star is a blue to white star.

WASP-117 has been calculated as 1.17 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 814,086.00.km. If you need the diameter of the star, you just need to multiple the radius by 2.

The star's metallicity is 0.140000, this value is the fractional amount of the star that is not Hydrogen (X) or Helium (Y). An older star would have a high metallicity whereas a new star would have a lower one.

The star is believed to be about 4.60 Billion years old. To put in context, the Sun is believed to be about five billion years old and the Universe is about 13.8 billion years old.

WASP-117 Apparent and Absolute Magnitudes

WASP-117 has an apparent magnitude of 10.15 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number.

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Additional WASP-117 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameWASP-117
Spectral TypeF9
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
Colour blue to white
GalaxyMilky Way
ConstellationEridanus
Age4.60 Billion Years Old
Metalicity0.1400
Visual / Apparent Magnitude10.15
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)02h 27m 06.00
Declination (Dec.)-50° 17` 04.00

Companions (Multi-Star and Exoplanets) Facts


Exoplanet Count1

Estimated Calculated Facts


Radius (x the Sun)1.17

Sources and Links


Sourcehttp://www.exoplanets.eu

List of Extrasolar Planets orbiting WASP-117


NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastronInclination
WASP-117 bConfirmed0.00910.0220.30220140.09459242.00089.140

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