New Paper: Early massive black hole growth

Today we submitted a paper (arXiv) that follows the growth of a massive black hole seed in the early universe. We found that supernova explosions heat and stir up the gas inside the gas, preventing the central black hole to accrete and grow rapidly. Stars form at rates 10,000 to 100,000 times faster than the black hole grows. The main galaxy has a stellar mass of 1 billion solar masses, which totally outshines the central black hole. This could explain why there is a lack of faint AGN at high-redshift where these more “normal” massive black holes aren’t accreting very rapidly and cannot be detected with current telescopes.

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