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Herculis X1: Results and Interpretation
Published online by Cambridge University Press: 04 August 2017
Extract
The hard X-ray spectrum of Her X1 was measured for the first time with a high-resolution (1.4 keV FWHM) germanium spectrometer (LEGS: GSFC/Saclay collaboration). The observation was performed near the peak of the 0B state in the 35 day cycle and 1.24 s pulsations were observed between the energies of 20 keV and 70 keV. The best fit energies are 35 keV for an absorption line and 39 keV for an emission line. These are significantly lower energies than those derived from previous experiments.
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- II. Accretion Powered Pulsars
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- Copyright © Reidel 1987