Observations
X-ray pulsars are observed using X-ray telescopes that are satellites in low Earth orbit although some observations have been made, mostly in the early years of X-ray astronomy, using detectors carried by balloons or sounding rockets.
Discovered in 1968, the Crab pulsar was the first to be connected with a supernova remnant. The first X-ray pulsar to be discovered from its X-Ray emission alone was Centaurus X-3, in 1971 with the Uhuru X-ray satellite.
Read more about this topic: X-ray Pulsar
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