• 20 Years of Cluster Observations: The Magnetopause, 

      Håland, Stein Egil; Hasegawa, Hiroshi; Paschmann, G; Sonnerup, B. U. Ö.; Dunlop, M. W. (Journal article; Peer reviewed, 2021)
      The terrestrial magnetopause forms the boundary between the solar wind plasma with its embedded interplanetary magnetic field on one side, and the terrestrial magnetosphere, dominated by Earth's dipole field, on the other ...
    • Comparison of Quality Measures for Walén Relation 

      Paschmann, G; Sonnerup, B. U. Ö.; Haaland, Stein; Phan, T.D.; Denton, Richard E (Journal article; Peer reviewed, 2020)
      The standard method for identifying magnetohydrodynamic rotational discontinuities in spacecraft data has been to examine how well the Walén relation is satisfied. In this paper, we apply two different versions of the Walén ...
    • High‐density magnetospheric He+ at the dayside magnetopause and its effect on magnetic reconnection 

      Fuselier, Stephen A.; Haaland, Stein; Tenfjord, Paul; Paschmann, G; Toledo-Redondo, S; Malaspina, D; Kim, M.J.; Trattner, K.J.; Petrinec, S. M.; Giles, B. L.; Goldstein, J; Burch, J. L.; Strangeway, R. J. (Journal article; Peer reviewed, 2021)
      Observations from the Magnetospheric Multiscale (MMS) mission are used to quantify the maximum effect of magnetospheric H+ and He+ on dayside magnetopause reconnection. A data base of current-sheet crossings from the first ...
    • Results of the Electron Drift Instrument on Cluster 

      Paschmann, G; Quinn, Jack M.; Torbert, R.B.; McIllwain, C; Vaith, H; Haaland, S.; Matsui, Hiroshi; Kletzing, Craig A.; Baumjohann, W; Haerendel, G (Journal article; Peer reviewed, 2021)
      The electron drift instrument (EDI) on Cluster pioneered a new method of measuring electric fields, using a beam of electrons to sample the drift velocity over a km-scale gyro orbit. The technique is especially well suited ...