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Unresolved Fine-scale Structure in Solar Coronal Loop-tops

  • Authors: E. Scullion, L. Rouppe van der Voort, S. Wedemeyer, and P. Antolin

Scullion et al. 2014 The Astrophysical Journal 797 36.

  • Provider: AAS Journals

Caption: Figure 10.

Histogram displaying the distribution of all detectable strands and substructures within coincident Hα and EUV coronal loops, as measured from all of the data sets sampled. The pale blue sections correspond to the Hα-only detections made via CRISP. The darker blue sections correspond to the SDO/AIA coronal loop cross-sections. The vertical dashed lines mark the resolution limit for CRISP, Hi-C, and SDO/AIA. The number density of detected strands vs. their cross-sectional FWHM widths is measured. The exponential curve is overlaid onto the plot to indicate the steeping distribution toward finer scales within the substructures of coronal loops.

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