Customized chromatic noise models for 67 pulsars detect non-dispersive delays in 21 cases, alter achromatic noise inferences in 19, and enable solar wind density estimates over 1.5 cycles.
Astronomy and Astrophysics , volume = 647, pages =
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PSR J2101-4802 is a transitional millisecond pulsar with a ~1-day orbit, 0.15 solar mass He-WD companion, and large orbital period derivative that links redback-like systems to detached binaries.
Customized chromatic noise models applied to NANOGrav 15 yr data raise the Bayes factor for Hellings-Downs GWB correlations by a factor of ~8, lower the amplitude to 2.1e-15, and increase the spectral index to 3.5.
Bayesian fitting of an eccentric Keplerian orbit to the radio light curve of PKS 2131-021 gives e = 0.053 ± 0.015 without red noise but favors a circular orbit plus DRW noise with e < 0.15.
This paper discusses observational, calibration, and imaging requirements for solar and heliospheric science with the SKA radio telescope.
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State-of-the-art Observation, Calibration, and Imaging Framework for Solar and Heliospheric Sciences with SKA
This paper discusses observational, calibration, and imaging requirements for solar and heliospheric science with the SKA radio telescope.