Spin period change and the magnetic fields of neutron stars in Be X-ray binaries in the Small Magellanic Cloud

H. Klus, W. C. G. Ho, M. J. Coe +2

We report on the long-term average spin period, rate of change of spin period and X-ray luminosity during outbursts for 42 Be X-ray binary systems in the Small Magellanic Cloud. We…