Kepler-1520b
Exoplanet orbiting the star Kepler 1520 / From Wikipedia, the free encyclopedia
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Kepler-1520b (initially published as KIC 12557548 b[5]), is a confirmed exoplanet orbiting the K-type main sequence star Kepler-1520. It is located about 2,020 light-years (620 parsecs) away from Earth in the constellation of Cygnus. The exoplanet was found by using the transit method, in which the dimming effect that a planet causes as it crosses in front of its star is measured. The planet was previously proposed in 2012 when reports of its host star recorded drops in its luminosity varying from 0.2% to 1.3%, which indicated a possible planetary companion rapidly disintegrating. In 2015, the planetary nature of the cause of the dips was finally verified.[6] It is expected to disintegrate in about 40–400 million years.
Discovery | |
---|---|
Discovered by | Kepler spacecraft |
Discovery date | 2012 (proposed) May 12, 2016 (confirmed) |
Transit | |
Orbital characteristics | |
0.013 AU (1,900,000 km)[1] | |
0.6535538±0.0000001[2] d | |
Inclination | ~90 |
Star | Kepler-1520 |
Physical characteristics | |
Mean radius | <1 (for albedo of 0.5)[2] R🜨 |
Mass | <0.02[3] ME |
Temperature | 2,255 K (1,982 °C; 3,599 °F)[4] |