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20122023
most citedAn ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30

757 citations · 1.8k across the 33 of their papers we have counts for

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astro-ph.GA2023

XMM-Newton Observations of Two Archival X-ray Weak Type 1 Quasars: Obscuration Induced X-ray Weakness and Variability

Zijian Zhang, Bin Luo, W. N. Brandt +6

We report \hbox{XMM-Newton} observations of two examples of an unclassified type of \hbox{X-ray} weak quasars from the \citet{2020ApJ...900..141P} survey of \hbox{X-ray} weak quasa…