Into the thick of it: ALMA 0.45 mm observations of HL Tau at a resolution of 2 au

Open Access

Fig. 4

Same as Fig. 5, but using a 90% porosity for the dust particles and for the dust opacities. The dust temperature is lower and the surface density is higher around the gaps, and the maximum particle sizes are similar, but at the 13 au gap, the particle size increases strongly.

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