A new phase-coherent mapping framework for pulsar timing arrays that preserves the complete complex polarization state of the gravitational-wave sky in compact maps usable for multiple analyses.
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Combined five-PTA dataset yields posterior on SGWB power-law amplitude and index consistent with nonzero signal but below 5-sigma significance, with reconstructed angular correlations matching the Hellings-Downs prediction.
Legendre polynomial basis for PTA analysis zeros first three modes from timing models and delivers closed-form expressions for the optimal quadratic Hellings-Downs estimator and variance under power-law GWB and noise spectra.
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A comprehensive framework for phase-coherent mapping of the gravitational-wave sky with pulsar timing arrays
A new phase-coherent mapping framework for pulsar timing arrays that preserves the complete complex polarization state of the gravitational-wave sky in compact maps usable for multiple analyses.
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Stochastic gravitational-wave background search using data from five pulsar timing arrays
Combined five-PTA dataset yields posterior on SGWB power-law amplitude and index consistent with nonzero signal but below 5-sigma significance, with reconstructed angular correlations matching the Hellings-Downs prediction.
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Pulsar timing array analysis in a Legendre polynomial basis
Legendre polynomial basis for PTA analysis zeros first three modes from timing models and delivers closed-form expressions for the optimal quadratic Hellings-Downs estimator and variance under power-law GWB and noise spectra.