
The luminous galaxy GN-z11 at z = 10.60 exhibits a low oxygen-to-iron abundance ratio ([O/Fe] = -0.37+0.43-0.22), suggesting rapid iron enrichment by bright hypernovae and/or pair-instability supernovae in the early universe.


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measurement-of-low-oxygen-to-iron-ratio-in-a-luminous-galaxy-at-the-earliest-cosmic-epoch-z-10-implications-for-supernova-enrichment


Measurement of Low Oxygen-to-Iron Ratio in a Luminous Galaxy at the Earliest Cosmic Epoch (z > 10): Implications for Supernova Enrichment
