Revealing A Universal Planet-Metallicity Correlation For Planets of Different Sizes Around Solar-Type Stars

@article{Wang2013RevealingAU,
  title={Revealing A Universal Planet-Metallicity Correlation For Planets of Different Sizes Around Solar-Type Stars},
  author={J. Wang and D. Fischer},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2013}
}
  • J. Wang, D. Fischer
  • Published 2013
  • Physics
  • arXiv: Earth and Planetary Astrophysics
  • The metallicity of exoplanet systems serves as a critical diagnostic of planet formation mechanisms. Previous studies have demonstrated the planet-metallicity correlation for large planets ($R_P\ \geq\ 4\ R_E$); however, a correlation has not been found for smaller planets. With a sample of 406 $Kepler$ Objects of Interest whose stellar properties are determined spectroscopically, we reveal a universal planet-metallicity correlation: not only gas-giant planets ($3.9\ R_E\ < R_P\ \leq\ 22.0\ R_E… CONTINUE READING
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