Assertion: pulsar | /r/CapableOf | undergo an x-ray outburst
Facets:
value: in april
type: TEMPORAL
Source sentences:
text: When the pulsar underwent an x-ray outburst in April, the Rossi X-Ray Timing Explorer (RXTE) was there to watch the pulses come in at 518 times per second and three eclipses of the pulsar by the star.