Discovery and modelling of broad-scale plasma lensing in black-widow pulsar J2051$-$0827

F. X. Lin, R. A. Main, J. P. W. Verbiest +2

We report on an unusually bright observation of PSR J2051$-$0827 recorded during a regular monitoring campaign of black-widow pulsar systems with the Effelsberg 100-m telescope. Th…