Universe Guide


WASP-153 Facts

Location of WASP-153

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-153, the location is 18h 37m 02.97 and 40° 01` 07.40 .

Physical Properties (Colour, Metallicity, Age, Radius) of WASP-153

WASP-153 Colour and Temperature

WASP-153 has a spectral type of G0. This means the star is a yellow star.

WASP-153 Radius

WASP-153 has been calculated as 1.73 times bigger than the Sun. The Sun's radius is 695,800km, therefore the star's radius is an estimated 1,203,734.00.km. If you need the diameter of the star, you just need to multiple the radius by 2.

The star's metallicity is 0.110000, 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 4.00 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-153 Apparent and Absolute Magnitudes

WASP-153 has an apparent magnitude of 12.80 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 4.63 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-153

The Parallax of the star is given as 2.33 which gives a calculated distance to WASP-153 of 1402.49 light years from the Earth or 430.00 parsecs. It would take a spaceship travelling at the speed of light, 1402.49 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 88,693,248.66 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.

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Additional WASP-153 Facts and Figures

Visual Facts

Primary / Proper / Traditional NameWASP-153
Spectral TypeG0
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
Age4.00 Billion Years Old
Visual / Apparent Magnitude12.80
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)18h 37m 02.97
Declination (Dec.)40° 01` 07.40
Distance from Earth2.33 Parallax (milliarcseconds)
 1402.49 Light Years
 430.00 Parsecs
 88,693,248.66 Astronomical Units

Companions (Multi-Star and Exoplanets) Facts

Exoplanet Count1

Estimated Calculated Facts

Radius (x the Sun)1.73

Sources and Links


List of Extrasolar Planets orbiting WASP-153

NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastronInclination
WASP-153 bConfirmed0.023.3330.020170.04884.100

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