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Comparisons with Globular and Open Clusters - SSPP

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Comparison of [Fe/H] of cluster members between DR8 SSPP and literature

The following figure shows how well the overall metallicity from the DR8 SSPP agrees with the literature, without any significant trend along g-r or S/N from very metal-poor cluster (M92 or M15) to very metal-rich open cluster (NGC 6791). This proves the very reliable estimate of [Fe/H] from the DR8 SSPP. The solid line delineates the literature value and ours for the dashed line.

Comparing [Fe/H] to literature
Comparison of [Fe/H] to measurements in the literature (click to get a larger version)