Fig. 5
Map of the (
) from circular polarization observations of ε Eri made in February 2007. It takes about k = 50–60 eigenprofiles to recover the mean 
profile. The color scale on the right side of the image also indicates, in that case, that Pk = 1 can be a factor of 2 smaller in amplitude than the SLA mean profile, whose amplitude is about 0.04%.
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