activity
20192025
most citedThe X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: evidence for a diverse, evolving population

20 citations · 52 across the 6 of their papers we have counts for

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Showing 2024Show all

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astro-ph.GA2024★ 10 cited

X-ray AGN in Boötes: The lack of growth of the most massive black holes since z=4

Paloma Guetzoyan, James Aird, Antonis Georgakakis +5

Supermassive Black Holes (BHs) are known to efficiently grow through gas accretion, but even sustained and intense mass build-up through this mechanism struggles to explain the ass…