J1010+2358 is a very metal-poor star, found in the Galactic halo. It has unusual odd-even mass elements and may be formed from a supernova of a large primordial star.[1]

It has a reported metallicity [Fe/H] = − 2.4.[1] (Within the -1 -> -3 range of Population II stars.)

See also

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  • Population III – Grouping of stars by similar metallicity

References

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  1. ^ a b Ioanna Koutsouridou (2024). "True Pair-instability Supernova Descendant: Implications for the First Stars' Mass Distribution". The Astrophysical Journal Letters. 962 (2): L26. Bibcode:2024ApJ...962L..26K. doi:10.3847/2041-8213/ad2466. hdl:2158/1356431.