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Table 3

Categories defined in the study.

Category NIR MIR Description
0 H-Ks > 1.15 W1-W3 < 4.5 This region of the color-color diagram is populated by
several observed targets and is on top of the full disk models.
1 0.3 < H-Ks < 1.15 W1-W3 < 4.5 It encompasses the area occupied by models of full disks.
2 W1-W3 > 4.5 It includes all the models that have high mid-infrared colors
and that are populated by variations of models of AC Her, namely,
of disks with large cavities.
3 H-Ks < 0.3 2.3 < W1-W3 < 4.5 It covers the targets with low near-infrared colors and medium
mid-infrared colors. This area is populated by transition disk models but
include can also full disk models without the ad-hoc extended component.
4 H-Ks < 0.3 W1-W3 < 2.3 It includes targets with low near-infrared and mid-infrared excesses.
It is occupied by models of transition disks.

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