... wing

Here, wing means the wavelength that was used for the intensity calibration (see Fig. 2).

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... amplitude

Histogram of the V-amplitude of the inter-network (Fig. 5c) includes all data points with a clear V signal.

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... filtergrams

Note that filtergrams, e.g., from DOT (de Wijn et al. 2005) also cover parts of the line wing while we integrate over a band with a width of .1 $\pm$ 0.001 nm.

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... panel)

The calcium core position is expressed in velocity units for comparison. This does not mean that it corresponds to a Doppler shift.

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... view

We use all data points in this part and do not use the mask defined in Sect. 3.

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