Visibility profiles of the 231 GHz (black dots) and 94 GHz (gray triangles) continuum emission from L1448-2A. In each visibility curve, we show the best-fit Plummer-only model (Pl, black curve) and the best-fit Plummer + Gauss (PG, red curve) model. In the case of L1448-2A, the F-test suggests that the PG models are not statistically better than the Plummer-only (Pl) models, although the presence of an unresolved (radius < 0.15′′) disk-like component cannot be robustly excluded.
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