Concentration of interstellar pickup H+ and He+ in the solar wind

G. Gloeckler, J. Randy Jokipii, Joe Giacalone, J. Geiss

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

We present observations of interstellar pickup hydrogen and helium in the solar wind which show large, highly‐correlated fluctuations in flux which are not correlated significantly with the solar‐wind hydrogen flux. The correlation of the fluctuations in the two species implies that the fluctuations are caused by transport after ionization. The lack of correlation with the thermal flux means they are not caused by compressions of the wind. We present a new model which can naturally produce the observed fluctuations in the pickup ions.

Original languageEnglish (US)
Pages (from-to)1565-1568
Number of pages4
JournalGeophysical Research Letters
Volume21
Issue number14
DOIs
StatePublished - Jul 1 1994

ASJC Scopus subject areas

  • Geophysics
  • General Earth and Planetary Sciences

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