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The SKAO Pulsar Timing Array
Ryan M. Shannon, N. D. Ramesh Bhat, Aurelien Chalumeau +23
Pulsar timing arrays (PTAs) are ensembles of millisecond pulsars observed for years to decades. The primary goal of PTAs is to study gravitational-wave astronomy at nanohertz frequ…
Exploring Galactic plasma with pulsars in the SKA era
C. Tiburzi, M. T. Lam, D. J. Reardon +14
The ionised media that permeate the Milky Way have been active topics of research since the discovery of pulsars in 1967. In fact, pulsars allow one to study several aspects of sai…
Data span and frequency coverage requirements for robust detection and inference in PTAs: A case study with EPTA DR2
Irene Ferranti, Mikel Falxa, Federico Fantoccoli +2
Pulsar Timing Arrays (PTAs) are approaching the sensitivity required for a detection of the nanohertz stochastic gravitational-wave background (GWB). This makes it crucial to…
A glitch in the millisecond pulsar J09003144
Bhavnesh Bhat, Michael J. Keith, Ismaël Cognard +11
We report the detection of a glitch in the millisecond pulsar (MSP) PSR J09003144, which is included in the European, MeerKAT and Parkes pulsar timing array experiments. The dat…
Improving Bayesian inference in PTA data analysis: importance nested sampling with Normalizing Flows
Eleonora Villa, Golam Mohiuddin Shaifullah, Andrea Possenti +1
We present a detailed study of Bayesian inference workflows for pulsar timing array data with a focus on enhancing efficiency, robustness and speed through the use of normalizing f…
Combining the second data release of the European Pulsar Timing Array with low-frequency pulsar data
F. Iraci, A. Chalumeau, C. Tiburzi +46
Low-frequency radio data improve the sensitivity of pulsar timing arrays (PTAs) to propagation effects such as dispersion measure (DM) variations, enabling better noise characteriz…