Universe Guide


WASP-133 Facts

  • WASP-133 is a star that can be located in the constellation of Microscopium. The description is based on the spectral class.
  • WASP-133 is not part of the constellation outline but is within the borders of the constellation.
  • Based on the spectral type (G4) of the star, the star's colour is yellow .
  • The star can not be seen by the naked eye, you need a telescope to see it.
  • It is calculated at being 6.800 Billion Years old. This information comes from ExoPlanet.
  • WASP-133 has at least 1 Extrasolar Planets believed to be in orbit around the star.
  • WASP-133 has a radius that is 1.44 times bigger than the Suns. Radius
  • The star is calculated at being about 1490.56 light years away from us. Distance

Location of WASP-133

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-133, the location is 20h 58m 18.00 and -35° 47` 48.00 .

Physical Properties of WASP-133

WASP-133 Temperature and Colour

Based on the star's spectral type of G4 , WASP-133's colour and type is yellow star. Based on the star's spectral, the stars temperature is between 5,200.00 and 6,000.00 degrees kelvin.

WASP-133 Radius

WASP-133 Radius has been calculated as being 1.44 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,001,952.00.km. If you need the diameter of the star, you just need to multiple the radius by 2.

WASP-133 Metalicity

The star's metallicity is 0.120000, 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-133 Estimated Age

The star is believed to be about 6.80 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-133 Apparent and Absolute Magnitudes

WASP-133 has an apparent magnitude of 12.90 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Using the supplied Parallax value, you would get an absolute magnitude of 4.60 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.

Distance to WASP-133

The Parallax of the star is given as 2.19 which gives a calculated distance to WASP-133 of 1490.56 light years from the Earth or 457.00 parsecs. It is about 8,762,443,836,252,562 miles from Earth.

The star is roughly 94,262,359.63 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

Travel Time to WASP-133

The time it will take to travel to this star is dependent on how fast you are going. U.G. has done some calculations as to how long it will take going at differing speeds. A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).

The New Horizons space probe is the fastest probe that we've sent into space at the time of writing. Its primary mission was to visit Pluto which at the time of launch (2006), Pluto was still a planet.

DescriptionSpeed (m.p.h.)Time (years)
Airbus A3807361,358,144,459.95
Speed of Sound (Mach 1)767.2691,302,795,137.72
Concorde (Mach 2)1,534.54651,396,719.88
New Horizons Probe33,00030,290,737.05
Speed of Light670,616,629.001,490.56

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Additional WASP-133 Facts and Figures

Visual Facts

Primary / Proper / Traditional NameWASP-133
Spectral TypeG4
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
Age6.80 Billion Years Old
Visual / Apparent Magnitude12.90
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)20h 58m 18.00
Declination (Dec.)-35° 47` 48.00
Distance from Earth2.19 Parallax (milliarcseconds)
 1490.56 Light Years
 457.00 Parsecs
 94,262,359.63 Astronomical Units

Companions (Multi-Star and Exoplanets) Facts

Exoplanet Count1

Estimated Calculated Facts

Radius (x the Sun)1.44
Calculated Temperature Range5,200.00 - 6,000.00

Sources and Links


List of Extrasolar Planets orbiting WASP-133

NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastronInclination
WASP-133 bConfirmed0.092.1760.1720160.034587.000

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