Fig. 4
Changes in line profiles for helium lines He i 584 Å and He i 5876 Å for a single thread model and for a multi-thread model with ten perfectly aligned threads. Intensities are measured in erg s-1 cm-2 sr-1 Å-1. The legend gives the isobaric gas pressure in units of dyn cm-2. Delta lambda is measured in Å.
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