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On the Detectability of the Hydrogen 3-cm Fine Structure Line from the EoR
Mark Dijkstra, Adam Lidz, Jonathan R. Pritchard +4
A soft ultraviolet radiation field, 10.2 eV < E <13.6 eV, that permeates neutral intergalactic gas during the Epoch of Reionization (EoR) excites the 2p (directly) and 2s (indirect…
Real-Time Calibration of the Murchison Widefield Array
D. A. Mitchell, L. J. Greenhill, R. B. Wayth +5
The interferometric technique known as peeling addresses many of the challenges faced when observing with low-frequency radio arrays, and is a promising tool for the associated cal…
The Magnetic Field of the Solar Corona from Pulsar Observations
S. M. Ord, S. Johnston, J. Sarkissian
We present a novel experiment with the capacity to independently measure both the electron density and the magnetic field of the solar corona. We achieve this through measurement o…
Dispersion Measure Variations and their Effect on Precision Pulsar Timing
X. P. You, G. Hobbs, W. A. Coles +11
We present an analysis of the variations seen in the dispersion measures (DMs) of 20 millisecond pulsars observed as part of the Parkes Pulsar Timing Array project. We carry out a…
Discovery of Five Recycled Pulsars in a High Galactic Latitude Survey
B. A. Jacoby, M. Bailes, S. M. Ord +2
We present five recycled pulsars discovered during a 21-cm survey of approximately 4,150 deg^2 between 15 deg and 30 deg from the galactic plane using the Parkes radio telescope. O…
Upper bounds on the low-frequency stochastic gravitational wave background from pulsar timing observations: current limits and future prospects
F. A. Jenet, G. B. Hobbs, W. van Straten +7
Using a statistically rigorous analysis method, we place limits on the existence of an isotropic stochastic gravitational wave background using pulsar timing observations. We consi…