Observability plots for MATISSE: L versus N band (top row), K versus N band (middle row), and K versus L band (bottom row) total (left column) and correlated fluxes (right column), estimated for our sample, from the continuous disk modeling. Correlated fluxes are calculated at 15 m baseline. The color of the symbols indicates the object type: Herbig Ae (blue), T Tauri (red), and eruptive systems (orange). Vertical solid and dashed lines indicate the expected MATISSE N or L band sensitivity limits with or without using an external fringe tracker, respectively. Blue and red lines represent the sensitivity limits with ATs and UTs, respectively. Horizontal dashed lines indicate the K sensitivity limits of the external fringe tracker with ATs or UTs (in the middle and bottom rows). In the top row, horizontal lines indicate the L band sensitivity limits. Sources in the green shaded area can be observed either with the UTs and ATs, objects in the orange shaded region can only be observed with UTs. Flux limits were taken from Matter et al. (2016b).
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