The specifics of pulsar radio emission

Pulsars exhibit highly stable periodic radio emissions, but observations reveal irregularities such as pulse timing variations, shape changes, emission switching, and rotation discontinuities. These phenomena are primarily attributed to magnetospheric processes. A notable finding is the confirmed link between radio pulse scattering and pulsar dispersion measure, observed through collaborative efforts at Jodrell Bank Observatory and Pushchino Radio Astronomy Observatory. The study suggests that these variations arise from pulsar eclipses by dense plasma clouds with electron density fluctuations far exceeding those in the interstellar medium. Additionally, it explores potential connections between glitches, pulse scattering, and gamma-ray flares, offering insights into complex pulsar behavior.

Losovsky, B. Ya. (2022). The specifics of pulsar radio emission. Open Astronomy, 31(1), 189–197. https://doi.org/10.1515/astro-2022-0025