Magnesium Isotopic Abundance Ratios in Cool Stars

Yong, David; Lambert, D.L.; Ivans, Inese

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Magnesium Isotopic Abundance Ratios in Cool Stars

Date

2003

Authors

Yong, David

Lambert, D.L.

Ivans, Inese

Publisher

IOP Publishing

Abstract

From high-resolution spectra of 61 cool dwarfs and giants, Mg isotopic abundance ratios24Mg:25Mg:26Mg are derived from spectral synthesis of the MgH A-X lines near 5140 Å. Our sample spans the range -2.5 ≤ [Fe/H] ≤ 0.1, including the first measuremen