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29 March 2024
 
  » arxiv » astro-ph/0310695

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Metallicity, planetary formation and migration
M. Livio ; J. E. Pringle ;
Date 23 Oct 2003
Journal Mon.Not.Roy.Astron.Soc. 346 (2003) L42
Subject astro-ph
AbstractRecent observations show a clear correlation between the probability of hosting a planet and the metallicity of the parent star. Since radial velocity surveys are biased, however, towards detecting planets with short orbital periods, the probability-metallicity correlation could merely reflect a dependence of migration rates on metallicity. We investigated the possibility, but find no basis to suggest that the migration process is sensitive to the metallicity. The indication is, therefore, that a higher metallicity results in a higher probability for planet formation.
Source arXiv, astro-ph/0310695
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