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Paper: Statistical Analysis of HgMn Stars
Volume: 511, Non-Stable Universe: Energetic Resources, Activity Phenomena and Evolutionary Processes
Page: 121
Authors: Ghazaryan, S.; Alecian, G.
Abstract: To check if the multiplicity is a determinant parameter for abundance peculiarities determined for the hot chemically peculiar group of HgMn stars, we have considered a compilation of a large number of recently published data obtained from spectroscopy. We compared those data to the previous compilation by Smith (1996). Our analysis confirm the main trends of the abundance peculiarities, and their large spread from star to star. We studied correlations between abundances and effective temperature (Teff) also and confirmed the known correlation as well as for Mn, and for some other elements. Statistical analysis using a Kolmogorov-Smirnov test shows that the abundances' anomalies in the atmosphere of HgMn stars do not present significant dependence on the multiplicity.
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