Using 95 new young open clusters from SDSS-V/BOSS, the OCCAM survey finds the Galactic radial metallicity gradient is about -0.08 dex/kpc and does not evolve significantly with cluster age.
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The Open Cluster Chemical Abundances and Mapping Survey XI. First Gradients from SDSS/MWM BOSS Determined Clusters
Using 95 new young open clusters from SDSS-V/BOSS, the OCCAM survey finds the Galactic radial metallicity gradient is about -0.08 dex/kpc and does not evolve significantly with cluster age.