Present-day Mass Function of Six Small Magellanic Cloud Intermediate-age and Old Star Clusters
We determined the present-day mass functions (PDMFs) of the five intermediate-age star clusters Lindsay 1, Kron 3, NGC339, NGC416, and Lindsay 38 and the old star cluster NGC121 in the Small Magellanic Cloud (SMC) based on observations with the Hubble Space Telescope Advanced Camera for Surveys. The global PDMFs are well matched by Salpeter-like power laws from their main-sequence turnoffs to 0.6 M with a power-law exponent α ranging from 1.51 0.11 (Lindsay 1) to 2.29 0.15 (NGC339). We derive...[Show more]
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