Correlations Between Coronal Streamers and The Solar Wind Parameters

Details Correlations Between Coronal Streamers and The Solar Wind Parameters Correlations Between Coronal Streamers and The Solar Wind Parameters

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh11a1486l&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SH11A-1486

Astronomy and Astrophysics

Astrophysics

[7536] Solar Physics, Astrophysics, And Astronomy / Solar Activity Cycle

Scientific paper

We use limb synoptic maps (LSMs) to identify long-lived structures in the solar corona from their repeated appearance at the solar limb on successive rotations. On the LSMs, some coronal structures can be followed for up to 10 solar rotations, longer than almost any other discrete features on the Sun. Around the time of activity minimum in 2008, we have also found that the solar wind physical parameters at 1 AU appear correlated with coronal structures identified from our limb synoptic maps. Specifically, variations in the speed of the solar wind and other solar wind parameters appear closely correlated with active regions and the associated coronal streamers on limb synoptic maps from January to May 2008. However, this correlation is not obvious during other periods of observations. We will present the LSMs and the interpretation of the observations.

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