activity
20222026
most citedHYPerluminous quasars at the Epoch of ReionizatION (HYPERION). A new regime for the X-ray nuclear properties of the first quasars

42 citations · 127 across the 14 of their papers we have counts for

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2 papers · 1 filter

astro-ph.IM2022★ 5 cited

The probabilistic random forest applied to the QUBRICS survey: improving the selection of high-redshift quasars with synthetic data

Francesco Guarneri, Giorgio Calderone, Stefano Cristiani +10

Several recent works have focused on the search for bright, high-z quasars (QSOs) in the South. Among them, the QUasars as BRIght beacons for Cosmology in the Southern hemisphere (…

astro-ph.GA2022★ 25 cited

The WISSH quasars project X. Discovery of a multi-component and highly-variable UV ultra-fast outflow in a z=3.6 quasar

G. Vietri, T. Misawa, E. Piconcelli +16

We report on the variability of a multi-component broad absorption line (BAL) system observed in the hyper-luminous quasar J1538+0855 at z=3.6. Observations from SDSS, VLT, LBT and…