Not gone with the wind: Planet occurrence is independent of stellar galactocentric velocity

@article{McTier2019NotGW,
  title={Not gone with the wind: Planet occurrence is independent of stellar galactocentric velocity},
  author={Moiya A.S. McTier and David Kipping},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2019},
  volume={489},
  pages={2505-2510}
}
  • Moiya A.S. McTier, David Kipping
  • Published 2019
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • We demonstrate that planet occurrence does not depend on stellar galactocentric velocity in the Solar neighborhood. Using Gaia DR2 astrometry and radial velocity data, we calculate 3D galactocentric velocities for 197,090 Kepler field stars, 1647 of which are confirmed planet hosts. When we compare the galactocentric velocities of planet hosts to those of the entire field star sample, we observe a statistically significant (KS p-value = $10^{-70}$) distinction, with planet hosts being… CONTINUE READING

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