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Table 2

Models as described by R17, the number of sources fitted with the given model and components of the models.

Model # Best-fit Components
s–s-i 6487 star
sp–s-i 601 star + passive disc; Rinner = Rsub
sp–h-i 650 star + passive disc; variable Rinner
s–smi 5113 star + medium; Rinner = Rsub
sp–smi 572 star + passive disc + medium; Rinner = Rsub
sp–hmi 661 star + passive disc + medium; variable Rinnner
s-p-smi 19 star + power-law envelope + medium; Rinner = Rsub
s-p-hmi 46 star + power-law envelope + medium; variable Rinner
s-pbsmi 134 star + power-law envelope + cavity + medium; Rinner = Rsub
s-pbhmi 75 star + power-law envelope + cavity + medium; variable Rinner
s-u-smi 148 star + Ulrich envelope + medium; Rinner = Rsub
s-u-hmi 100 star + Ulrich envelope + medium; variable Rinner
s-ubsmi 177 star + Ulrich envelope + cavity + medium; Rinner = Rsub
s-ubhmi 161 star + Ulrich envelope + cavity + medium; variable Rinner
spu-smi 98 star + passive disc + Ulrich envelope + medium; Rinner = Rsub
spu-hmi 109 star + passive disc + Ulrich envelope + medium; variable Rinner
spubsmi 94 star + passive disc + Ulrich envelope + cavity + medium; Rinner = Rsub
spubhmi 151 star + passive disc + Ulrich envelope + cavity + medium; variable Rinner

Notes. The model set names, as described by R17, with the number of sources identified in each set are presented in the first and second columns, respectively. The model set names consist of seven characters, each indicating the presence of a specific component. The third column details the presence of specific components in the following order: s for the star, p for the passive disc, p or u for power-law or Ulrich envelope, b for bipolar cavities, h for the inner hole, m for ambient medium, and i for interstellar dust. A dash (–) indicates the absence of a component. Rinner refers to the inner radius of the disc, envelope, or ambient medium, depending on the components included, while Rsub represents the dust sublimation radius.

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