• Corpus ID: 119434655

Tracing the Origins and Evolution of Small Planets using Their Orbital Obliquities

@article{Johnson2019TracingTO,
  title={Tracing the Origins and Evolution of Small Planets using Their Orbital Obliquities},
  author={Marshall C. Johnson and George Zhou and Brett C. Addison and David R. Ciardi and Diana Dragomir and Yasuhiro Hasegawa and Eve J. Lee and Songhu Wang and Lauren M. Weiss},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2019}
}
We recommend an intensive effort to survey and understand the obliquity distribution of small close-in extrasolar planets over the coming decade. The orbital obliquities of exoplanets--i.e., the relative orientation between the planetary orbit and the stellar rotation--is a key tracer of how planets form and migrate. While the orbital obliquities of smaller planets are poorly explored today, a new generation of facilities coming online over the next decade will make such observations possible… 

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