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Keyword: C/N ratio ×Clear all

3 claims from 1 paper

1. Physics and Astronomy › Astro and Planetary Science

   Tracing the Formation History of Giant Planets in Protoplanetary Disks with Carbon, Oxygen, Nitrogen, and Sulfur

   Turrini, Schisano, Fonte et al. · The Astrophysical Journal · 2021

   N-body simulations of giant planets growing and migrating in planetesimal disks, with a disk composition model, show that carbon, nitrogen, oxygen and sulphur ratios can trace how giant planets formed.

   Unchecked3 claims
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   1. UncheckedUsing the C/N, N/O and C/O ratios together removes any ambiguity in how giant planets formed and migrated, according to the paper's simulations.“Jointly using the C/N, N/O and C/O ratios breaks any degeneracy in the formation and migration tracks of giant planets.”
   2. UncheckedOrdering of a giant planet's star-normalised C/N, C/O and N/O ratios is said to show whether solids or gas dominated its metallicity.“When the planetary metallicity is dominated by the accretion of solids C/N* $>$ C/O* $>$ N/O* (* denoting this normalized scale), otherwise N/O* $>$ C/O* $>$ C/N*.”
   3. UncheckedThe sulphur-to-nitrogen (S/N) ratio in a giant planet could offer a further, independent clue to its metallicity and how much solid material it accreted.“The S/N ratio provides an additional independent probe into the metallicity of giant planets and their accretion of solids.”