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Regardless of their close proximity, abundance measurements for both stars in{\alpha} Centauri by different groups have led to varying results. We havechosen to combine the abundance ratios from five similar data sets in order toreduce systematic effects that may have caused inconsistencies. With thesecollated relative abundance measurements, we find that the {\alpha} Cen systemand the Sun were likely formed from the same material, despite the [Fe/H]enrichment observed in the {\alpha} Cen binaries: 0.28 and 0.31 dex,respectively. Both {\alpha} Centauri A and B exhibit relative abundance ratiosthat are generally solar, with the mean at 0.002 and 0.03 dex, respectively.The refractory elements (condensation temperature > 900 K) in each have a meanof -0.02 and 0.01 dex and a 1{\sigma} uncertainty of 0.09 and 0.11 dex,respectively. Given the trends seen when analyzing the refractory abundances[X/Fe] with condensation temperature, we find it possible that {\alpha}Centauri A may host a yet undiscovered planet.

Implications of the spectroscopic abundances in {\alpha} Centauri A and B