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    • The anomalous low state of the X-ray binary system Hercules X-1 

      Jurua, Edward (University of the Free State, 2008)
      The lightcurve of Hercules X-1 (Her X-1) shows a peculiar 35-day modulation of the X-ray flux cycling between low and high states. The 35-day modulation is believed to result from the occultation of the neutron star by a ...