Color-magnitude diagrams of the HST fields along the major (top) and minor (bottom) axes of NGC 300. The field IDs and projected galactocentric distances are marked in each panel. The projected distances for the minor axis fields are corrected for the disk inclination (i = 45°). Blue, yellow, and pink shaded regions represent selection bins for the young (MS and HeB), intermediate-aged (AGB), and old (RGB) stellar populations, respectively. A stellar isochrone for 10 Gyr age with [Fe/H] = −1.6 dex (solid line) and the 50% completeness limit (dashed line) are overlaid in each CMD.
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