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WASP-73

WASP-73 Facts

Location of WASP-73

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-73, the location is 21h 19m 48.00 and -57° 51` 04.00 .

Physical Properties (Colour, Metallicity, Radius) of WASP-73

WASP-73 has a spectral type of F9. This means the star is a blue to white star.

WASP-73 has been calculated as 2.07 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,440,306.00.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.

WASP-73 Apparent and Absolute Magnitudes

WASP-73 has an apparent magnitude of 10.50 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-73 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameWASP-73
Spectral TypeF9
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
ColourYellow - White
GalaxyMilky Way
ConstellationIndus
Metalicity0.1400
Visual / Apparent Magnitude10.50
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)21h 19m 48.00
Declination (Dec.)-57° 51` 04.00

Companions (Multi-Star and Exoplanets) Facts


Exoplanet Count1

Estimated Calculated Facts


Radius (x the Sun)2.07

Sources and Links


Sourcehttp://www.exoplanets.eu

List of Extrasolar Planets orbiting WASP-73


NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastronInclination
WASP-73 bConfirmed0.064.0870.020130.0551287.400

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