Quasars and the intergalactic medium at cosmic dawn

X Fan, E Bañados, RA Simcoe - Annual Review of Astronomy …, 2023 - annualreviews.org
Quasars at cosmic dawn provide powerful probes of the formation and growth of the earliest
supermassive black holes (SMBHs) in the Universe, their connections to galaxy and …

The X–shooter/ALMA Sample of Quasars in the Epoch of Reionization. II. Black Hole Masses, Eddington Ratios, and the Formation of the First Quasars

EP Farina, JT Schindler, F Walter… - The Astrophysical …, 2022 - iopscience.iop.org
We present measurements of black hole masses and Eddington ratios (λ Edd) for a sample
of 38 bright (M 1450<− 24.4 mag) quasars at 5.8≲ z≲ 7.5, derived from Very Large …

Supermassive black holes at high redshift are expected to be obscured by their massive host galaxies' interstellar medium

R Gilli, C Norman, F Calura, F Vito, R Decarli… - Astronomy & …, 2022 - aanda.org
We combine results from deep ALMA observations of massive (M*> 10 10 M⊙) galaxies at
different redshifts to show that the column density of their interstellar medium (ISM) rapidly …

The kinematics of z≳ 6 quasar host galaxies

M Neeleman, M Novak, BP Venemans… - The Astrophysical …, 2021 - iopscience.iop.org
We explore the kinematics of 27 z≳ 6 quasar host galaxies observed in [C ii] 158 μm ([C ii])
emission with the Atacama Large Millimeter/submillimeter Array at a resolution of≈ 025. We …

Detection of stellar light from quasar host galaxies at redshifts above 6

X Ding, M Onoue, JD Silverman, Y Matsuoka, T Izumi… - Nature, 2023 - nature.com
The detection of starlight from the host galaxies of quasars during the reionization epoch (z>
6) has been elusive, even with deep Hubble Space Telescope observations,. The current …

EIGER. V. Characterizing the Host Galaxies of Luminous Quasars at z≳ 6

M Yue, AC Eilers, RA Simcoe… - The Astrophysical …, 2024 - iopscience.iop.org
We report JWST/NIRCam measurements of quasar host galaxy emissions and
supermassive black hole (SMBH) masses for six quasars at 5.9< z< 7.1 in the Emission-line …

Detection of the Low-stellar-mass Host Galaxy of az∼ 6.25 Quasar with JWST

MA Stone, J Lyu, GH Rieke… - The Astrophysical Journal, 2023 - iopscience.iop.org
We characterize the stellar mass of J2239+ 0207, az∼ 6.25 sub-Eddington quasar (M
1450=− 24.6), using dedicated JWST/NIRCam medium-band observations of a nearby point …

Co-evolution of massive black holes and their host galaxies at high redshift: discrepancies from six cosmological simulations and the key role of JWST

M Habouzit, M Onoue, E Banados… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT The James Webb Space Telescope will have the power to characterize high-
redshift quasars at z≥ 6 with an unprecedented depth and spatial resolution. While the …

Undermassive Host Galaxies of Five z∼ 6 Luminous Quasars Detected with JWST

MA Stone, J Lyu, GH Rieke, S Alberts… - The Astrophysical …, 2024 - iopscience.iop.org
We measure host galaxy stellar masses for a sample of five luminous quasars at z∼ 5–7.
Using JWST/NIRCam medium-band images of nearby point-spread function reference stars …

GA-NIFS: Black hole and host galaxy properties of two z≃ 6.8 quasars from the NIRSpec IFU

MA Marshall, M Perna, CJ Willott, R Maiolino… - Astronomy & …, 2023 - aanda.org
Aims. Integral field spectroscopy (IFS) with JWST NIRSpec will significantly improve our
understanding of the first quasars, by providing spatially resolved, infrared spectroscopic …