J1010+2358 Explained

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.)

Notes and References

  1. True Pair-instability Supernova Descendant: Implications for the First Stars' Mass Distribution . Ioanna Koutsouridou . 2024 . The Astrophysical Journal Letters. 962 . 2 . L26 . 10.3847/2041-8213/ad2466 . free . 2024ApJ...962L..26K . 2158/1356431 . free .

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