2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/216785The notion of death line of rotating pulsars is applied to model of oscillating neutron stars. It is shown that the magnetosphere of typical non-rotating oscillating stars may not contain secondary plasma to support the generation of radio emission in the region of open field lines of plasma magnetosphere.Accepted for publication in Astrophysics & Space ScienceSolar and Stellar Astrophysicstext