Fig. 1

Spectral energy distributions for TWA 30B, 32, 33, and 34. Data points are 2MASS (green), ALLWISE (blue), Herschel (purple; see Liu et al. 2015), and ALMA (orange). Two blackbody dust disks are fit in each case. The fractional luminosities, τ = LIR/Lbol, are indicated. The poor fit to TWA 30B suggests a more complex model is required.
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