Tags: Star.
Kepler-186 is a main-sequence M1-type dwarf star located 151 ± 18 parsecs (492 ± 59 light years) away in the constellation of Cygnus. The star is slightly cooler than the sun with roughly half its metallicity. It is known to have five planets including the first Earth-sized world discovered in the habitable zone: Kepler-186f. The star hosts four other planets discovered so far though Kepler-186 b c d and e are too close to the star and so too hot to have liquid water.