The deceleration of an interplanetary transient from the Sun to 5~AU

Stephen Tappin

doi:10.1007/s11207-006-2065-2

The deceleration of an interplanetary transient from the Sun to 5~AU

Stephen Tappin

Physics and Astronomy

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64 Citations (Scopus)

Abstract

A CME which was first seen in LASCO is tracked through SMEI and on out to Ulysses. These measurements allow us to determine the deceleration and compare different models of the deceleration process. It is found that both a simple "snow plough" model and an aerodynamic drag model predict a much more rapid deceleration in the lower solar wind than is observed. Therefore some driving force is needed over an extended range of distances to account for the motion of the transient. It is conjectured that at least part of this driving force may be provided by one of two low-latitude coronal holes which were close to the site of the CME.

Original language	English
Pages (from-to)	233-248
Number of pages	16
Journal	Solar Physics
Volume	233
DOIs	https://doi.org/10.1007/s11207-006-2065-2
Publication status	Published - 1 Jan 2006

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abstract = "A CME which was first seen in LASCO is tracked through SMEI and on out to Ulysses. These measurements allow us to determine the deceleration and compare different models of the deceleration process. It is found that both a simple {"}snow plough{"} model and an aerodynamic drag model predict a much more rapid deceleration in the lower solar wind than is observed. Therefore some driving force is needed over an extended range of distances to account for the motion of the transient. It is conjectured that at least part of this driving force may be provided by one of two low-latitude coronal holes which were close to the site of the CME.",

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The deceleration of an interplanetary transient from the Sun to 5~AU

Abstract

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