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Ages and Metallicities of LMC Clusters and Their Surrounding Fields
1999
Symposium - International astronomical union
We report on a survey of 25 candidate old LMC clusters. Washington photometry was obtained on the CTIO 0.9m in < 1h, reaching below the turnoff. Ages based on the magnitude difference δT1between the giant branch clump and the turnoff revealed that no new old clusters were found. The candidates all turned out to be of intermediate age (1–3 Gyr). We confirm that there was apparently no cluster formation in the LMC from 3–9 Gyr ago, and that there was a pronounced epoch of cluster formation
doi:10.1017/s0074180900118455
fatcat:3attycwymzeirpvzq6rqhozafi