activity
20152025
most citedDeep multi-redshift limits on Epoch of Reionisation 21cm Power Spectra from Four Seasons of Murchison Widefield Array Observations

224 citations · 2.5k across the 50 of their papers we have counts for

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5 papers · 1 filter

astro-ph.GA2017★ 28 cited

The jet/wind outflow in Centaurus A: a local laboratory for AGN feedback

B. McKinley, S. J. Tingay, E. Carretti +20

We present new radio and optical images of the nearest radio galaxy Centaurus A and its host galaxy NGC 5128. We focus our investigation on the northern transition region, where en…

astro-ph.GA2017★ 35 cited

Spectral energy distribution and radio halo of NGC 253 at low radio frequencies

A. D. Kapinska, L. Staveley-Smith, R. Crocker +67

We present new radio continuum observations of NGC253 from the Murchison Widefield Array at frequencies between 76 and 227 MHz. We model the broadband radio spectral energy distrib…

astro-ph.GA2017★ 170 cited

Extragalactic Peaked-Spectrum Radio Sources at Low Frequencies

J. R. Callingham, R. D. Ekers, B. M. Gaensler +21

We present a sample of 1,483 sources that display spectral peaks between 72 MHz and 1.4 GHz, selected from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM)…

astro-ph.GA2016★ 37 cited

A search for long-timescale, low-frequency radio transients

Tara Murphy, David L. Kaplan, Steve Croft +30

We present a search for transient and highly variable sources at low radio frequencies (150-200 MHz) that explores long timescales of 1-3 years. We conducted this search by compari…

astro-ph.GA2016★ 80 cited

Low frequency observations of linearly polarized structures in the interstellar medium near the south Galactic pole

Emil Lenc, B. M. Gaensler, X. H. Sun +76

We present deep polarimetric observations at 154 MHz with the Murchison Widefield Array (MWA), covering 625 deg^2 centered on RA=0 h, Dec=-27 deg. The sensitivity available in our…