articleThe Astrophysical Journal LettersOct 23, 2023GOLD OA

JWST CEERS and JADES Active Galaxies at z = 4–7 Violate the Local M • –M ⋆ Relation at >3σ: Implications for Low-mass Black Holes and Seeding Models

FPFabio PacucciBNBao NguyenSCStefano CarnianiRMR. MaiolinoXFXiaohui Fan

Woodwell Climate Research Center · Harvard University · +5 more institutions

Indexed incrossrefdoaj

Abstract

Abstract JWST is revolutionizing our understanding of the high- z Universe by expanding the black hole horizon, looking farther and to smaller masses, and revealing the stellar light of their hosts. By examining JWST galaxies at z = 4–7 that host H α -detected black holes, we investigate (i) the high- z M • – M ⋆ relation and (ii) the black hole mass distribution, especially in its low-mass range ( M • ≲ 10 6.5 M ⊙ ). With a detailed statistical analysis, our findings conclusively reveal a high- z M • – M ⋆ relation that deviates at >3 σ confidence level from the local relation. The high- z relation is log ( M • / M ⊙ ) = − 2.43 − 0.83 + 0.83 + 1.06 − 0.09 + 0.09 log ( M…

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Topics & keywords

Topics
Keywords
  • Seeding
  • Physics
  • Galaxy
  • Astrophysics
  • Thermodynamics
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