Abstract
It has recently been suggested that the large scale structure of the interplanetary magnetic field can be deduced solely from solar wind speed measurements. Here it is emphasized that, in addition to speed measurements, direct measurements of the interplanetary field and indirect diagnostics such as measurements of the solar wind kinetic temperature and galactic and solar energetic particle modulations and anisotropics are required to distinguish between open and closed magnetic structures in the solar wind.
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The National Center for Atmospheric Research is sponsored by the National Science Foundation.
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Gosling, J.T., Roelof, E.C. A comment on the detection of closed magnetic structures in the solar wind. Sol Phys 39, 405–408 (1974). https://doi.org/10.1007/BF00162433
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DOI: https://doi.org/10.1007/BF00162433