A neutron “star” (NS) = compacted core of an exploded sstar that had a magnetic field.
A neutron “star” has a strong magnetic field which directs charged particles to the North of South poles.
The particles continually strike the surface of the NS creating polar “hot spots”.
These “hot spots” radiate over a wide range of wavelengths … visible and invisible
If the rotating NS is properly oriented with respect to Earth, we detect the beams of radiation emitted