Assertion: pulsar's field | /r/CapableOf | exert a -down torque
Facets:
value: on the neutron star
type: LOCATION
value: due to the presence of ionised material
type: CAUSE
Source sentences:
text: Accretion-powered X-ray sources with strong magnetic fields usually pulse relatively slowly (some as slowly as once every 20 minutes), as the magnetic field exerts a slow-down torque on the neutron star due to the presence of ionised material.