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JWST’s monster black holes finally have an explanation

JWST keeps finding black holes far too massive for their host galaxies in the first billion years of cosmic history. A new study in The Astrophysical Journal Letters argues these overmassive black hole galaxies are the natural outcome of direct-collapse black hole seeds, paired with star formation suppressed by black hole feedback and Population III supernovae. UHZ1 and GHZ9 match the simulations.

SKYCR Web Team
By SKYCR Web Team
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This artist's illustration shows a Population III star exploding as a supernova in the early universe. Pop III stars were massive and short-lived, and many of them exploded, helping suppress star formation in OBG, leading to their lopsided mass ratios. Credit: NOIRLab/NSF/AURA/J. da Silva/M. Zamani/Spaceengine

JWST keeps finding black holes far too massive for their host galaxies in the first billion years of cosmic history. A new study in The Astrophysical Journal Letters argues these overmassive black hole galaxies are the natural outcome of direct-collapse black hole seeds, paired with star formation suppressed by black hole feedback and Population III supernovae. UHZ1 and GHZ9 match the simulations.

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