activity
20122026
most citedThe Energetics and Lifetimes of Local Radio Active Galactic Nuclei

119 citations · 616 across the 32 of their papers we have counts for

collaborators

31 papers

cs.RO2026

Visual Task Modeling and Automated Planning for Humanoid Robots in Education of Individuals with Autism Spectrum Disorder

Lada Kudláčková

In robot-assisted education, a robot must understand how to complete a task in order to effectively guide a student through it. We present a novel method that enables a semi-autono…

astro-ph.GA2026

The Road to Identifying the Earliest Radio-Powerful AGN with the SKA

Jose Afonso, Stergios Amarantidis, Stas Shabala +20

The Epoch of Reionization (EoR) is one of the most pivotal frontiers in modern astrophysics, marking the emergence of the first galaxies, stars, and supermassive black holes (SMBHs…

astro-ph.GA2025

Jet outbursts, non-thermal pressure and the AGN jet duty cycle

Andrew Sullivan, Ross J. Turner, Stanislav S. Shabala +2

We predict the non-thermal pressure (NTP) induced in the cores of galaxy clusters by kinetic jet feedback from an active galactic nucleus (AGN). We model a population of Fanaroff-R…

astro-ph.GA2024★ 2 cited

Spectral signatures of young radio galaxies

Sophie A. Young, Ross J. Turner, Stanislav S. Shabala +2

We investigate the evolution of active galactic nucleus jets on kiloparsec-scales due to their interaction with the clumpy interstellar medium (ISM) of the host galaxy and, subsequ…

astro-ph.GA2024

AGN energetics and lifetimes from remnant radio galaxies

Benjamin Quici, Ross J. Turner, Nicholas Seymour +1

The energy coupling efficiency of active galactic nucleus (AGN) outbursts is known to {vary} significantly with factors including the jet kinetic power, duration of the outburst, a…

astro-ph.GA2024

Are Odd Radio Circles phoenixes of powerful radio galaxies?

Stanislav Shabala, Patrick Yates-Jones, Larissa Jerrim +8

Odd Radio Circles (ORCs) are a class of low surface brightness, circular objects approximately one arcminute in diameter. ORCs were recently discovered in the Australian Square Kil…

astro-ph.HE2023★ 1 cited

Faraday rotation as a probe of radio galaxy environment in RMHD AGN jet simulations

Larissa A. Jerrim, Stanislav S. Shabala, Patrick M. Yates-Jones +6

Active galactic nuclei (AGN) play an integral role in galaxy formation and evolution by influencing galaxies and their environments through radio jet feedback. Historically, interp…

astro-ph.GA2023

Dynamics of powerful radio galaxies

Ross J. Turner, Stanislav S. Shabala

Analytical models describing the dynamics of lobed radio sources are essential for interpretation of the tens of millions of radio sources that will be observed by the Square Kilom…

physics.geo-ph2023

Seismic signals generated at a water-ice interface from smoothed particle hydrodynamic simulations

Ross J. Turner, Jared C. Magyar, Sue Cook +1

The field of ice sheet, ice shelf and glacier-related seismology, cryoseismology, has seen rapid development in recent years. As concern grows for the implications of change in the…

astro-ph.HE2022★ 21 cited

RAiSE: simulation-based analytical model of AGN jets and lobes

Ross J. Turner, Patrick M. Yates-Jones, Stanislav S. Shabala +2

We present an analytical model for the evolution of extended active galactic nuclei (AGNs) throughout their full lifecycle, including the initial jet expansion, lobe formation, and…

astro-ph.GA2022★ 13 cited

Selecting and Modelling Remnant AGNs with Limited Spectral Coverage

B. Quici, R. J. Turner, N. Seymour +3

Quantifying the energetics and lifetimes of remnant radio-loud active galactic nuclei (AGNs) is much more challenging than for active sources due to the added complexity of accurat…

astro-ph.GA2022★ 5 cited

The GLEAMing of the first supermassive black holes: II. A new sample of high-redshift radio galaxy candidates

J. W. Broderick, G. Drouart, N. Seymour +27

While unobscured and radio-quiet active galactic nuclei are regularly being found at redshifts , their obscured and radio-loud counterparts remain elusive. We build upon our…

astro-ph.GA2022★ 14 cited

Constraining the Radio Properties of the =6.44 QSO VIK J23183113

Luca Ighina, James K. Leung, Jess W. Broderick +19

The recent detection of the quasi-stellar object (QSO) VIKING J231818.3311346 (hereafter VIK J23183113) at redshift in the Rapid ASKAP Continuum Survey (RACS) uncove…

astro-ph.CO2022★ 1 cited

HST WFC3/Grism Observations of the Candidate Ultra-High-Redshift Radio Galaxy GLEAM J0917-0012

N. Seymour, G. Drouart, G. Noirot +11

We present Hubble Space Telescope Wide Field Camera 3 photometric and grism observations of the candidate ultra-high-redshift (z>7) radio galaxy, GLEAM J0917-0012. This radio sourc…

astro-ph.HE2022★ 19 cited

PRAiSE: Resolved spectral evolution in simulated radio sources

Patrick M. Yates-Jones, Ross J. Turner, Stanislav S. Shabala +1

We present a method for applying spatially resolved adiabatic and radiative loss processes to synthetic radio emission from hydrodynamic simulations of radio sources from active ga…

physics.geo-ph2021

An ObsPy library for event detection and seismic attribute calculation: preparing waveforms for automated analysis

Ross J. Turner, Rebecca B. Latto, Anya M. Reading

We have implemented an extension for the observational seismology obspy software package to provide a streamlined tool tailored to the processing of seismic signals from non-earthq…

physics.geo-ph2021★ 9 cited

Separation of tectonic and local components of horizontal GPS station velocities: a case study for glacial isostatic adjustment in East Antarctica

Ross J. Turner, Anya M. Reading, Matt A. King

Accurate measurement of the local component of geodetic motion at GPS stations presents a challenge due to the need to separate this signal from the tectonic plate rotation. A pres…

physics.geo-ph2021★ 7 cited

Impacts of the Cryosphere and Atmosphere on Observed Microseisms Generated in the Southern Ocean

Ross J. Turner, Martin Gal, Mark A. Hemer +1

The Southern Ocean (in the region 60-180E) south of the Indian Ocean, Australia, and the West Pacific is noted for the frequent occurrence and severity of its storms. These…

astro-ph.GA2021★ 31 cited

Remnant Radio Galaxies Discovered in a Multi-frequency Survey

B. Quici, N. Hurley-Walker, N. Seymour +20

The remnant phase of a radio galaxy begins when the jets launched from an active galactic nucleus are switched off. To study the fraction of radio galaxies in a remnant phase, we t…

astro-ph.GA2020★ 8 cited

RAiSERed: radio continuum redshifts for lobed AGNs

Ross J. Turner, Guillaume Drouart, Nick Seymour +1

Next-generation radio surveys are expected to detect tens of millions of active galactic nuclei (AGN) with a median redshift of z > 1. Beyond targeted surveys, the vast majority of…

astro-ph.GA2020★ 68 cited

The duty cycle of radio galaxies revealed by LOFAR: remnant and restarted radio source populations in the Lockman Hole

Stanislav Shabala, Nika Jurlin, Raffaella Morganti +5

Feedback from radio jets associated with Active Galactic Nuclei (AGN) plays a profound role in the evolution of galaxies. Kinetic power of these radio jets appears to show temporal…

astro-ph.GA2020★ 13 cited

RAiSE X: searching for radio galaxies in X-ray surveys

Ross J. Turner, Stanislav S. Shabala

We model the X-ray surface brightness distribution of emission associated with Fanaroff & Riley type-II radio galaxies. Our approach builds on the RAiSE dynamical model which descr…

astro-ph.GA2020★ 14 cited

PKS 2250351: A Giant Radio Galaxy in Abell 3936

N. Seymour, M. Huynh, S. S. Shabala +27

We present a detailed analysis of the radio galaxy PKS 2250-351, a giant of 1.2 Mpc projected size, its host galaxy, and its environment. We use radio data from the Murchison Widef…

astro-ph.CO2019★ 10 cited

Cosmology with powerful radio-loud AGNs

Ross Turner, Stanislav Shabala

Immensely bright quasars and radio-loud active galactic nuclei (AGNs) provide an enticing opportunity to construct standard candles detectable up to the very early universe. An ana…