Axion clouds around neutron stars

D Noordhuis, A Prabhu, C Weniger, SJ Witte - Physical Review X, 2024 - APS
Recent work has shown that axions can be efficiently produced via nonstationary pair
plasma discharges in the polar cap region of pulsars. Here, we point out that for axion …

A commensal Fast Radio Burst search pipeline for the Murchison Widefield Array

M Sokolowski, IS Morrison, DC Price… - Publications of the …, 2024 - cambridge.org
We present a demonstration version of a commensal pipeline for Fast Radio Burst (FRB)
searches using a real-time incoherent beam from the Murchison Widefield Array (MWA). The …

System equivalent flux density of Stokes I, Q, U, and V of a polarimetric interferometer

AT Sutinjo, DCX Ung, M Sokolowski - Astronomy & Astrophysics, 2022 - aanda.org
Aims. We present the system equivalent flux density (SEFD) expressions for all four Stokes
parameters: I, Q, U, and V. Methods. The expressions were derived based on our derivation …

An Active Ribbon Dipole as an Array Element Prototype for the Lunar Very Low Frequency Radio Telescope

PL Tokarsky, AA Konovalenko, JW Modelski - IEEE Access, 2023 - ieeexplore.ieee.org
This work is concerned with a detailed study of an active antenna, which can serve as a
prototype of a phased array antenna element for a future lunar very-low-frequency (VLF) …

Beamforming approaches towards detecting the 21-cm global signal from Cosmic Dawn with radio array telescopes

DC Price - Publications of the Astronomical Society of Australia, 2022 - cambridge.org
The formation of the first stars and galaxies during 'Cosmic Dawn'is thought to have imparted
a faint signal onto the 21-cm spin temperature from atomic Hydrogen gas in the early …