A uniform spectroscopic catalog of 625 exoplanet hosts shows subsolar-metallicity giant-planet hosts are alpha-enhanced relative to both iron-rich hosts and typical metal-poor field stars.
Title resolution pending
2 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.EP 2years
2026 2representative citing papers
Observational analysis of 43 systems finds no significant overall correlation between gas giant occurrence and inner small planet properties but reports hints of a trend in metal-rich systems favoring lower-density planets with similar core masses.
citing papers explorer
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A Uniform Determination of the Bulk Metallicities and Alpha Enrichments of Confirmed Exoplanet Systems with TRES
A uniform spectroscopic catalog of 625 exoplanet hosts shows subsolar-metallicity giant-planet hosts are alpha-enhanced relative to both iron-rich hosts and typical metal-poor field stars.
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An early look at how gas giants shape small planet bulk compositions
Observational analysis of 43 systems finds no significant overall correlation between gas giant occurrence and inner small planet properties but reports hints of a trend in metal-rich systems favoring lower-density planets with similar core masses.