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

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

doi:10.1029/94GL01288

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

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

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26 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 language	English (US)
Pages (from-to)	1565-1568
Number of pages	4
Journal	Geophysical Research Letters
Volume	21
Issue number	14
DOIs	https://doi.org/10.1029/94GL01288
State	Published - Jul 1 1994

ASJC Scopus subject areas

Geophysics
Earth and Planetary Sciences(all)

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10.1029/94GL01288

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title = "Concentration of interstellar pickup H+ and He+ in the solar wind",

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.",

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N2 - 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.

AB - 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.

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

Abstract

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