Yong, DavidLambert, D.L.Ivans, Inese2015-12-080004-637Xhttp://hdl.handle.net/1885/33123From 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 measuremenKeywords: Galaxy: abundances; Galaxy: evolution; Stars: abundances; Stars: late-type; Subdwarfs200310.1086/3793692015-12-08