Abstract
Ginga observations of the X-ray binary pulsar GX301-2 are analysed for their temporal and spectral properties. The unambiguous detection of aperiodic intensity variations of 7-10 per cent rms relative amplitude over time-scales covering ∼16 to 0.1 s is reported. These variations are self-similar, being well fitted by a power law in power spectral density versus frequency space. The pulse period measured is 689.80 s, the shortest yet measured for this source. The fraction of X-rays which is pulsed is energy dependent, being greater at higher energies
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