• Source: KOI-5

      • 5.180.24.3/info/koi" target="_blank">KOI-5 is a triple star system composed of three stars: 5.180.24.3/info/koi" target="_blank">KOI-5 A, 5.180.24.3/info/koi" target="_blank">KOI-5 B and 5.180.24.3/info/koi" target="_blank">KOI-5 C, orbiting 1,870±70 light-years away.
      The two dim stellar companions to 5.180.24.3/info/koi" target="_blank">KOI-5A were discovered in 2016. 5.180.24.3/info/koi" target="_blank">KOI-5 A and B orbit each other every 29 years, and 5.180.24.3/info/koi" target="_blank">KOI-5 C orbits stars A and B every 400 years. 5.180.24.3/info/koi" target="_blank">KOI-5C is physically associated with the core stellar pair with probability 99.98%.


      Planetary system


      Two planets orbiting one of 5.180.24.3/info/koi" target="_blank">KOI-5's stars were suspected since 2009 based on Kepler data, but 5.180.24.3/info/koi" target="_blank">KOI-5Ab was confirmed only in January 2021 after TESS determined the planet is orbiting 5.180.24.3/info/koi" target="_blank">KOI-5A. The exoplanet has caused interest in the scientific community because its orbital plane is misaligned with the closer star, suggesting it gave 5.180.24.3/info/koi" target="_blank">KOI-5Ab a gravitational kick during its development, resulting in the misalignment and inward migration to the current orbit. However, the confirmation of this planet has yet to be published in any peer-reviewed journal.
      A second candidate planet was initially suspected, but was later found to be a false positive.


      References

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