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Equatorwards expansion of unperturbed, high-latitude fast solar wind

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>07/2013
<mark>Journal</mark>Solar Physics
Issue number1-2
Number of pages14
Pages (from-to)97-110
Publication StatusPublished
Early online date17/07/12
<mark>Original language</mark>English


We use dual-site radio observations of interplanetary scintillation (IPS) with ex- tremely long baselines (ELB) to examine meridional flow characteristics of the ambient fast solar wind at plane-of-sky heliocentric distances of 24–85 solar radii (R⊙). Our results demonstrate an equatorwards deviation of 3 – 4◦ in the bulk fast solar wind flow direction over both northern and southern solar hemispheres during different times in the declining phase of Solar Cycle 23.