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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 6
Ann. Geophys., 14, 585–588, 1996
https://doi.org/10.1007/s00585-996-0585-6
© European Geosciences Union 1996
Ann. Geophys., 14, 585–588, 1996
https://doi.org/10.1007/s00585-996-0585-6
© European Geosciences Union 1996

  30 Jun 1996

30 Jun 1996

Recurrent variations of anomalous oxygen in association with a corotating interaction region

M. K. Reuss, M. Fränz, and E. Keppler M. K. Reuss et al.

Abstract. The fluxes of anomalous oxygen (E ranging from 3.5-6.8 MeV/amu), as measured by the EPAC instrument on ULYSSES, show a recurrent variation with the solar rotation period, which is anticorrelated with the fluxes of particles accelerated at the shocks of a corotating interaction region (CIR), and correlated with the fluxes of galactic cosmic rays known to be modulated by the CIR. The amplitude of this variation is much higher than expected for galactic cosmic rays of the same rigidity.

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