Tara Murphy
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View article: The Dawes Review 13: A New Look at The Dynamic Radio Sky
The Dawes Review 13: A New Look at The Dynamic Radio Sky Open
Astronomical objects that change rapidly give us insight into extreme environments, allowing us to identify new phenomena, test fundamental physics, and probe the Universe on all scales. Transient and variable radio sources range from the …
View article: Searching for long-period radio transients in ASKAP EMU data with 10-s imaging
Searching for long-period radio transients in ASKAP EMU data with 10-s imaging Open
Long-period radio transients (LPTs) are a recently identified phenomenon that challenge our current understanding of compact objects and coherent radio emission mechanisms. These objects emit radio pulses similar to those of pulsars, but a…
View article: Investigating four new candidate redback pulsars discovered in the image plane
Investigating four new candidate redback pulsars discovered in the image plane Open
This paper reports the discovery and follow-up of four candidate redback spider pulsars: GPM J1723-33, GPM J1734-28, GPM J1752-30 and GPM J1815-14, discovered with the Murchison Widefield Array (MWA) from an imaging survey of the Galactic …
View article: Cosmic dipole tensions: confronting the cosmic microwave background with infrared and radio populations of cosmological sources
Cosmic dipole tensions: confronting the cosmic microwave background with infrared and radio populations of cosmological sources Open
The cosmic dipole measured in surveys of cosmologically distant sources is generally found to be in disagreement with the kinematic expectation of the cosmic microwave background (CMB). This discrepancy represents severe tension with the C…
View article: Discovery of Two Highly Scattered Pulsars from Image-Based Circular Polarization Searches with the Australian SKA Pathfinder
Discovery of Two Highly Scattered Pulsars from Image-Based Circular Polarization Searches with the Australian SKA Pathfinder Open
We report the discovery and timing of two pulsars from a sample of four circularly polarized sources identified in radio continuum images taken as part of the Australian SKA Pathfinder (ASKAP) Variables and Slow Transients (VAST) survey. O…
View article: Cosmic dipole tensions: confronting the Cosmic Microwave Background with infrared and radio populations of cosmological sources
Cosmic dipole tensions: confronting the Cosmic Microwave Background with infrared and radio populations of cosmological sources Open
The cosmic dipole measured in surveys of cosmologically distant sources is generally found to be in disagreement with the kinematic expectation of the Cosmic Microwave Background (CMB). This discrepancy represents severe tension with the C…
View article: ASKAP J144834−685644: a newly discovered long period radio transient detected from radio to X-rays
ASKAP J144834−685644: a newly discovered long period radio transient detected from radio to X-rays Open
Long-period radio transients (LPTs) are an emerging group of radio transients that show periodic polarized radio bursts with periods varying from a few minutes to a few hours. Fewer than a dozen LPTs have been detected so far, and their or…
View article: The birth of young radio jets in changing-look AGN: a population study
The birth of young radio jets in changing-look AGN: a population study Open
Changing-Look Active Galactic Nuclei (CLAGN) are a rare subset of AGN that show significant changes to the flux of broad Balmer emission lines. Recent studies of CLAGN, such as 1ES 1927+654 and Mrk 590, have revealed that changes in the op…
View article: Strategy-based cognitive rehabilitation for childhood brain tumour: Protocol for an acceptability and feasibility trial of the Fatigue, Learning, and Memory Enrichment (FLaME) intervention
Strategy-based cognitive rehabilitation for childhood brain tumour: Protocol for an acceptability and feasibility trial of the Fatigue, Learning, and Memory Enrichment (FLaME) intervention Open
Background Medical treatments have improved survival rates for paediatric brain tumour (PBT), but the condition and treatment continue to be associated with significant cognitive morbidity. Nearly all survivors will experience some degree …
View article: Detection of X-ray emission from a bright long-period radio transient
Detection of X-ray emission from a bright long-period radio transient Open
Recently, a class of long-period radio transients (LPTs) has been discovered, exhibiting emission thousands of times longer than radio pulsars1-5. These findings, enabled by advances in wide-field radio surveys, challenge existing models o…
View article: VAST-MeMeS: Characterising non-thermal radio emission from magnetic massive stars using the Australian SKA Pathfinder
VAST-MeMeS: Characterising non-thermal radio emission from magnetic massive stars using the Australian SKA Pathfinder Open
Magnetic massive stars are stars of spectral types O, B and A that harbour $\sim$ kG strength (mostly dipolar) surface magnetic fields. Their non-thermal radio emission has been demonstrated to be an important magnetospheric probe, provide…
View article: The Discovery of a 41 s Radio Pulsar PSR J0311+1402 with ASKAP
The Discovery of a 41 s Radio Pulsar PSR J0311+1402 with ASKAP Open
The emerging population of long-period radio transients (LPTs) shows both similarities and differences with normal pulsars. A key difference is that their radio emission is too bright to be powered solely by rotational energy. Various mode…
View article: Strategy-based cognitive rehabilitation for childhood brain tumour: Protocol for an acceptability and feasibility trial of the Fatigue, Learning, and Memory Enrichment (FLaME) intervention
Strategy-based cognitive rehabilitation for childhood brain tumour: Protocol for an acceptability and feasibility trial of the Fatigue, Learning, and Memory Enrichment (FLaME) intervention Open
Background Medical treatments have improved survival rates for paediatric brain tumour (PBT), but the condition and treatment continue to be associated with significant cognitive morbidity. Nearly all survivors will experience some degree …
View article: The discovery of a 41s radio pulsar PSR J0311+1402 with ASKAP
The discovery of a 41s radio pulsar PSR J0311+1402 with ASKAP Open
The emerging population of long-period radio transients (LPTs) show both similarities and differences with normal pulsars. A key difference is that their radio emission is too bright to be powered solely by rotational energy. Various model…
View article: The Neurocognitive Profile of Post-operative Paediatric Cerebellar Mutism Syndrome: A Systematic Review
The Neurocognitive Profile of Post-operative Paediatric Cerebellar Mutism Syndrome: A Systematic Review Open
AIM: To systematically review neurocognitive outcomes associated with Post-operative Paediatric Cerebellar Mutism Syndrome (PPCMS), comparing children with and without PPCMS after posterior fossa tumour surgery, and in relation to moderati…
View article: Strategy-based Cognitive Rehabilitation for Childhood Brain Tumour: Protocol for an Acceptability and Feasibility Trial of the Fatigue, Learning, and Memory Enrichment (FLaME) intervention
Strategy-based Cognitive Rehabilitation for Childhood Brain Tumour: Protocol for an Acceptability and Feasibility Trial of the Fatigue, Learning, and Memory Enrichment (FLaME) intervention Open
Background Medical treatments have improved survival rates for paediatric brain tumour (PBT), but the condition and treatment continue to be associated with significant cognitive morbidity. Nearly all survivors will experience some degree …
View article: The Rapid ASKAP Continuum Survey (RACS) VI: The RACS-high 1655.5 MHz images and catalogue
The Rapid ASKAP Continuum Survey (RACS) VI: The RACS-high 1655.5 MHz images and catalogue Open
We have conducted a widefield, wideband, snapshot survey using the Australian SKA Pathfinder (ASKAP) referred to as the Rapid ASKAP Continuum Survey (RACS). RACS covers $\approx$ 90% of the sky, with multiple observing epochs in three freq…
View article: The CRAFT coherent (CRACO) upgrade I: System description and results of the 110-ms radio transient pilot survey
The CRAFT coherent (CRACO) upgrade I: System description and results of the 110-ms radio transient pilot survey Open
We present the first results from a new backend on the Australian Square Kilometre Array Pathfinder, the Commensal Realtime ASKAP Fast Transient COherent (CRACO) upgrade. CRACO records millisecond time resolution visibility data, and searc…
View article: Discovery of Main-sequence Radio Pulse emitters from widefield sky surveys
Discovery of Main-sequence Radio Pulse emitters from widefield sky surveys Open
Magnetic AB stars are known to produce periodic radio pulses by the electron cyclotron maser emission (ECME) mechanism. Only 19 such stars, known as ‘Main-sequence Radio Pulse emitters’ (MRPs), are currently known. The majority of MRPs hav…
View article: The Rapid ASKAP Continuum Survey (RACS) VI: The RACS-high 1 655.5 MHz images and catalogue
The Rapid ASKAP Continuum Survey (RACS) VI: The RACS-high 1 655.5 MHz images and catalogue Open
We have conducted a widefield, wideband, snapshot survey using the Australian SKA Pathfinder (ASKAP) referred to as the Rapid ASKAP Continuum Survey (RACS). RACS covers $\approx 90$ % of the sky, with multiple observing epochs in three fre…
View article: VAST-MeMeS: Characterising non-thermal radio emission from magnetic massive stars using the Australian SKA Pathfinder
VAST-MeMeS: Characterising non-thermal radio emission from magnetic massive stars using the Australian SKA Pathfinder Open
Magnetic massive stars are stars of spectral types O, B, and A that harbour $\sim$ kG strength (mostly dipolar) surface magnetic fields. Their non-thermal radio emission has been demonstrated to be an important magnetospheric probe, provid…
View article: Extremely luminous optical afterglow of an energetic gamma-ray burst GRB 230204B
Extremely luminous optical afterglow of an energetic gamma-ray burst GRB 230204B Open
Robotic telescope networks play an important role in capturing early and bright optical afterglows, providing critical insights into the energetics and emission mechanisms of GRBs. In this study, we analyze GRB 230204B, an exceptionally en…
View article: A two-minute burst of highly polarized radio emission originating from low Galactic latitude
A two-minute burst of highly polarized radio emission originating from low Galactic latitude Open
Several sources of repeating coherent bursts of radio emission with periods of many minutes have now been reported in the literature. These ‘ultralong period’ (ULP) sources have no clear multiwavelength counterparts and challenge canonical…
View article: Radio Afterglows from Tidal Disruption Events: An Unbiased Sample from ASKAP RACS
Radio Afterglows from Tidal Disruption Events: An Unbiased Sample from ASKAP RACS Open
Late-time (∼a year) radio follow-up of optically discovered tidal disruption events (TDEs) is increasingly resulting in detections at radio wavelengths, and there is growing evidence for this late-time radio activity to be common to the br…
View article: An Untargeted Search for Radio-emitting Tidal Disruption Events in the VAST Pilot Survey
An Untargeted Search for Radio-emitting Tidal Disruption Events in the VAST Pilot Survey Open
We present a systematic search for tidal disruption events (TDEs) using radio data from the Variables and Slow Transients (VAST) Pilot Survey conducted using the Australian Square Kilometre Array Pathfinder. Historically, TDEs have been id…
View article: The CRAFT Coherent (CRACO) upgrade I: System Description and Results of the 110-ms Radio Transient Pilot Survey
The CRAFT Coherent (CRACO) upgrade I: System Description and Results of the 110-ms Radio Transient Pilot Survey Open
We present the first results from a new backend on the Australian Square Kilometre Array Pathfinder, the Commensal Realtime ASKAP Fast Transient COherent (CRACO) upgrade. CRACO records millisecond time resolution visibility data, and searc…
View article: Rocking the BOAT: the ups and downs of the long-term radio light curve for GRB 221009A
Rocking the BOAT: the ups and downs of the long-term radio light curve for GRB 221009A Open
We present radio observations of the long-duration gamma-ray burst (GRB) 221009A that has become known to the community as the Brightest Of All Time or the BOAT. Our observations span the first 475 d post-burst and three orders of magnitud…
View article: Radio-frequency cascade readout of coupled spin qubits fabricated using a 300~mm wafer process
Radio-frequency cascade readout of coupled spin qubits fabricated using a 300~mm wafer process Open
Advanced semiconductor manufacturing offers a promising path to scaling up silicon-based quantum processors by improving yield, uniformity, and integration. Individual spin qubit control and readout have been demonstrated in quantum dots f…