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WASP-102

Primary Facts on WASP-102

Location of WASP-102

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-102, the location is 22h 25m 51.45 and 15° 51` 24.29 .

Physical Properties (Colour, Metallicity, Age, Radius) of WASP-102

WASP-102 has a spectral type of G0. This means the star is a white to yellow star.

WASP-102 has been calculated as 1.33 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 926,109.80.km. If you need the diameter of the star, you just need to multiple the radius by 2.

The star's metallicity is 0.190000, 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 0.60 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-102 Apparent and Absolute Magnitudes

WASP-102 has an apparent magnitude of 12.73 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-102 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameWASP-102
Spectral TypeG0
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
Colour white to yellow
GalaxyMilky Way
ConstellationPegasus
Age0.60 Billion Years Old
Metalicity0.1900
Visual / Apparent Magnitude12.73
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)22h 25m 51.45
Declination (Dec.)15° 51` 24.29

Companions (Multi-Star and Exoplanets) Facts


Exoplanet Count1

Estimated Calculated Facts


Radius (x the Sun)1.33

Sources and Links


Sourcehttp://www.exoplanets.eu

List of Extrasolar Planets orbiting WASP-102


NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastronInclination
WASP-102 bConfirmed0.0452.71020160.040189.730

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