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Kepler-22

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Kepler-22 is a star, located in the northern constellation of Cygnus. the swan, that is orbited by a planet found to be unequivocally within the star's habitable zone. The estimated distance of Kepler-22 is approximately 620 light-years away (190 parsecs) from Earth.

Kepler-22 is slightly smaller and cooler then the Sun, with a lower abundance of elements having more mass than helium. It has a spectral type of G5, while the luminosity class remains undetermined. This star is radiating 79% of the Sun's luminosity from its outer atmosphere, at an effective temperature of 5,518 K (9472 °F, 5244 °C), giving it the yellow-hued glow of a G-type star.

Star informationEdit

  • Mass: 0.970 ± 0.060 Solar mass
  • Radius: 0.979 ± 0.020 Solar radius
  • Luminosity: 0.79 ± 0.04 Solar luminosity
  • Temperature: 5,518 K (9472 °F, 5244 °C)
  • Metallicity [Fe/H] -0.29 ± 0.06 dex
  • Right ascension: 19h 16m 52.2s
  • Declination: +47° 53' 4.2"
  • Apparent magnitude (V): 11.664

Planetary systemEdit

On December 5th, 2011, scientists from the KEpler mission announced that a possible Earthlike world (Kepler-22b), had been discovered orbiting in the star's habitable zone, by NASA's Kepler spacecraft.

bEdit

PlanetsEdit

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