Exploring Gravitationally Lensed z ≳ 6 X-Ray Active Galactic Nuclei Behind the RELICS Clusters
Although observations of high-redshift quasars demonstrate that many supermassive black holes (BHs) reached large masses within one billion years after the Big Bang, the origin of the first BHs is still a mystery. A promising way to constrain the origin of the first BHs is to explore the average pro...
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Veröffentlicht in: | The Astrophysical journal 2022-03, Vol.927 (1), p.34 |
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Format: | Artikel |
Sprache: | eng |
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