A mature quasar at cosmic dawn revealed by JWST rest-frame infrared spectroscopy

LEO's

Nature Astronomy, Published online: 17 June 2024; doi:10.1038/s41550-024-02273-0

A JWST/MIRI spectrum of an early quasar in the mid-infrared indicates that J1120+0641 had a mature feeding structure 760 Myr after the Big Bang. This finding suggests that supermassive black holes and their torii build up surprisingly quickly.

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