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Chiara Mazzucchelli

Researcher at European Southern Observatory

Publications -  99
Citations -  4850

Chiara Mazzucchelli is an academic researcher from European Southern Observatory. The author has contributed to research in topics: Quasar & Redshift. The author has an hindex of 29, co-authored 78 publications receiving 3556 citations. Previous affiliations of Chiara Mazzucchelli include University of Milan & Max Planck Society.

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An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5

TL;DR: Strong evidence of absorption of the spectrum of the quasar redwards of the Lyman α emission line (the Gunn–Peterson damping wing), as would be expected if a significant amount of the hydrogen in the intergalactic medium surrounding J1342 + 0928 is neutral, and a significant fraction of neutral hydrogen is derived, although the exact fraction depends on the modelling.