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20172026
most citedHydrogen reionisation ends by : Lyman- optical depth measured by the XQR-30 sample

302 citations · 1.7k across the 60 of their papers we have counts for

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8 papers · 1 filter

astro-ph.GA2025

ALMA and JWST Imaging of Quasars: No Spatial Position Offset Observed Between Quasars and Their Host Galaxies

Aurora Wilde, Marcel Neeleman, Romain Meyer +4

We present a study determining the spatial offset between the position of the supermassive black hole (as traced through their broad line regions) and the host galaxy in six $z > 6…

astro-ph.GA2025

Resolving the dusty star-forming galaxy GN20 at z=4.055 with NOEMA and JWST: A similar distribution of stars, gas and dust despite distinct apparent profiles

Leindert A. Boogaard, Fabian Walter, Axel Weiss +8

We present high-resolution (0.13"-0.23") NOEMA observations of the dust continuum emission at 1.1 mm (rest-frame 220 micron) and JWST/NIRCam and MIRI imaging of the z=4.055 starbur…

astro-ph.GA2025★ 1 cited

Beneath the Surface: >85% of z>5.9 QSOs in Massive Host Galaxies are UV-Faint

R. J. Bouwens, E. Banados, R. Decarli +20

We use [CII] observations of a large quasi-stellar object (QSO) sample to segregate sources by host galaxy mass, aiming to identify those in the most massive hosts. [CII] luminosit…

astro-ph.GA2025★ 4 cited

Quasar lifetime measurements from extended Ly nebulae at

Dominika Ďurovčíková, Anna-Christina Eilers, Romain A. Meyer +7

The existence of billion-solar-mass black holes hosted in luminous quasars within the first gigayear of cosmic history poses a challenge to our understanding of supermassive black…

astro-ph.GA2025★ 8 cited

Probing patchy reionisation with JWST: IGM opacity constraints from the Lyman- forest of galaxies in legacy extragalactic fields

Romain A. Meyer, Guido Roberts-Borsani, Pascal Oesch +1

We present the first characterization of the Gunn-Peterson trough in high-redshift galaxies using public JWST NIRSpec spectroscopy. This enables us to derive the first galaxy-based…

astro-ph.GA2025

Kiloparsec-Scale Alignment of a Radio Jet with Cool Gas and Dust in a z~6 Quasar

Fabian Walter, Eduardo Banados, Chris Carilli +11

We present high-angular resolution (0.068", ~400pc) ALMA imaging of the [CII] line and dust continuum emission of PSO J352.4034-15.3373, a radio-loud quasar at z=5.83. The observat…

astro-ph.GA2025★ 4 cited

JWST ASPIRE: How Did Galaxies Complete Reionization? Evidence for Excess IGM Transmission around Emitters during Reionization

Koki Kakiichi, Xiangyu Jin, Feige Wang +23

The spatial correlation between galaxies and the Ly forest provides insights into how galaxies reionized the Universe. Here, we present initial results on the spatial cross-corr…

astro-ph.GA2025★ 6 cited

ALMA 360 pc high-frequency observations reveal warm dust in the center of a quasar

Romain A. Meyer, Fabian Walter, Fabio Di Mascia +3

The temperature of the cold dust in z>6 galaxies is a potential tracer of Active Galactic Nucleus (AGN) and stellar feedback, and is the dominant source of uncertainty in inferring…