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WASP-58

WASP-58 is a white to yellow main sequence dwarf star that can be located in the constellation of Lyra. The description is based on the spectral class. WASP-58 is not part of the constellation but is within the borders of the constellation.

The star can not be seen by the naked eye, you need a telescope to see it. It is calculated at being 3.200 Billion Years old. This information comes from ExoPlanet. WASP-58 has at least 1 Extrasolar Planets believed to be in orbit around the star.

Location of WASP-58

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 star is compared to the celestial equator and is expressed in degrees. For WASP-58, the location is 18h 18m 48.00 and 45° 10` 18.84 .

Physical Properties (Colour, Metallicity, Age, Radius) of WASP-58

WASP-58 has a spectral type of G2V. This means the star is a white to yellow main sequence dwarf star.

WASP-58 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 0.090000, 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 3.20 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-58 Apparent and Absolute Magnitudes

WASP-58 has an apparent magnitude of 11.66 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 4.27 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-58

The Parallax of the star is given as 3.33 which gives a calculated distance to WASP-58 of 978.50 light years from the Earth or 300.00 parsecs. It would take a spaceship travelling at the speed of light, 978.50 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 61,879,010.70 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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WASP-58 Facts

Visual Facts


Primary / Proper / Traditional NameWASP-58
Spectral TypeG2V
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type main sequence Dwarf Star
Colour white to yellow
GalaxyMilky Way
ConstellationLyra
Age3.20 Billion Years Old
Metalicity0.0900
Visual / Apparent Magnitude11.66
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)18h 18m 48.00
Declination (Dec.)45° 10` 18.84
Distance from Earth3.33 Parallax (milliarcseconds)
 978.50 Light Years
 300.00 Parsecs
 61,879,010.70 Astronomical Units

Companions (Multi-Star and Exoplanets) Facts


Exoplanet Count1

Estimated Facts


Radius (x the Sun)1.17

Sources and Links


Sourcehttp://www.exoplanets.eu

List of Extrasolar Planets orbiting WASP-58


NameStatusMass (Jupiters)Orbital Period (Days)EccentricityDiscoveredSemi-Major AxisPeriastronInclination
WASP-58 bConfirmed0.075.0170.020110.056187.400

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