activity
20232026
most citedTesting AGN outflow and accretion models with CIV and HeII emission line demographics in z=2 quasars

49 citations · 100 across the 8 of their papers we have counts for

collaborators

8 papers

astro-ph.GA2026

Scattering from Dusty Outflows in Hot Dust-Obscured Galaxies with Blue Excess Emission

R. J. Assef, M. Stalevski, F. E. Bauer +15

(Context) Hot Dust-Obscured Galaxies (Hot DOGs) are a population of hyper-luminous quasars heavily obscured by dust and gas. While most have rest UV/optical SEDs dominated by their…

astro-ph.GA2026

Hidden Monsters with SPHEREx I: A goldmine for heavily reddened quasars at cosmic noon

Matthew Stepney, Manda Banerji, Franz E. Bauer +2

Heavily reddened quasars (HRQs) are luminous, dust-obscured broad-line quasars thought to represent a short-lived phase of intense black hole growth and feedback. Previous studies…

astro-ph.GA2026★ 1 cited

The rest ultraviolet to infrared spectral energy distributions of heavily reddened quasars are "V-shaped" and hot-dust poor

Matthew Stepney, Manda Banerji, Shenli Tang +2

We present a rest-ultraviolet to infrared spectral energy distribution (SED) analysis of 63 heavily reddened quasars (HRQs) at redshifts z=0.7-2.7 and with dust extinctions E(B-V)=…

astro-ph.GA2025

Evidence for universal gas depletion in a sample of 41 luminous Type 1 quasars at z 2

S. J. Molyneux, M. Banerji, M. J. Temple +9

We present ALMA CO observations of the molecular gas in a sample of 41 luminous unobscured quasars at z 2 from the Sloan Digital Sky Survey. 32 targets comprise the main sam…

astro-ph.GA2024★ 15 cited

A Big Red Dot: Scattered light, host galaxy signatures and multi-phase gas flows in a luminous, heavily reddened quasar at cosmic noon

Matthew Stepney, Manda Banerji, Shenli Tang +5

We present a deep X-Shooter rest-frame UV to optical spectral analysis of the heavily reddened quasar, ULASJ2315+043 at z=2.566, known to reside in a major-merger host galaxy. The…

astro-ph.GA2023★ 22 cited

A disc wind model for blueshifts in quasar broad emission lines

James H. Matthews, Jago Strong-Wright, Christian Knigge +7

Blueshifts - or, more accurately, blue asymmetries - in broad emission lines such as CIV 1550 are common in luminous quasars and correlate with fundamental properties such as Ed…

astro-ph.GA2023★ 13 cited

No redshift evolution in the rest-frame UV emission line properties of quasars from z=1.5 to z=4.0

Matthew Stepney, Manda Banerji, Paul C. Hewett +4

We analyse the rest-frame UV spectra of 2,531 high-redshift (3.5<z<4.0) quasars from the Sloan Digital Sky Survey DR16Q catalogue. In combination with previous work, we study the r…

astro-ph.GA2023★ 49 cited

Testing AGN outflow and accretion models with CIV and HeII emission line demographics in z=2 quasars

Matthew J. Temple, James H. Matthews, Paul C. Hewett +6

Using 190,000 spectra from the seventeenth data release of the Sloan Digital Sky Survey, we investigate the ultraviolet emission line properties in z=2 quasars. Specifically, we qu…