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Wideband timing of the Parkes Pulsar Timing Array UWL data
Małgorzata Curyło, Timothy T. Pennucci, Matthew Bailes +14
In 2018 an ultra-wide-bandwidth low-frequency (UWL) receiver was installed on the 64-m Parkes Radio Telescope enabling observations with an instantaneous frequency coverage from 70…
Radio Transients and Variables in the Tenth Deeper, Wider, Faster Observing Run
D. Dobie, J. Pritchard, Y. Wang +23
The Deeper, Wider, Faster (DWF) program coordinates observations with telescopes across the electromagnetic spectrum, searching for transients on timescales of milliseconds to days…
The Mouse that Squeaked: A small flare from Proxima Cen observed in the millimeter, optical, and soft X-ray with Chandra and ALMA
Ward S. Howard, Meredith A. MacGregor, Rachel Osten +10
We present millimeter, optical, and soft X-ray observations of a stellar flare with an energy squarely in the regime of typical X1 solar flares. The flare was observed from Proxima…
SPARKESX: Single-dish PARKES data sets for finding the uneXpected -- A data challenge
Suk Yee Yong, George Hobbs, Minh T. Huynh +6
New classes of astronomical objects are often discovered serendipitously. The enormous data volumes produced by recent high-time resolution, radio-telescope surveys imply that effi…
A pilot ASKAP survey for radio transients towards the Galactic Centre
Ziteng Wang, Tara Murphy, David L. Kaplan +8
We present the results of a radio transient and polarisation survey towards the Galactic Centre, conducted as part of the Australian Square Kilometre Array Pathfinder Variables and…
Evaluating the prevalence of spurious correlations in pulsar timing array datasets
Andrew Zic, George Hobbs, R. M. Shannon +13
Pulsar timing array collaborations have recently reported evidence for a noise process with a common spectrum among the millisecond pulsars in the arrays. The spectral properties o…
Consistency of the Parkes Pulsar Timing Array Signal with a Nanohertz Gravitational-wave Background
Boris Goncharov, Eric Thrane, Ryan M. Shannon +9
Pulsar timing array experiments have recently reported strong evidence for a common-spectrum stochastic process with a strain spectral index consistent with that expected of a nano…
Simulating high-time resolution radio-telescope observations
Rui Luo, George Hobbs, Suk Yee Yong +10
We describe a new software package for simulating channelised, high-time resolution data streams from radio telescopes. The software simulates data from the telescope and observing…
Discovery of PSR J0523-7125 as a Circularly Polarized Variable Radio Source in the Large Magellanic Cloud
Yuanming Wang, Tara Murphy, David L. Kaplan +23
We report the discovery of a highly circularly polarized, variable, steep-spectrum pulsar in the Australian Square Kilometre Array Pathfinder (ASKAP) Variables and Slow Transients…