A gas density drop in the inner 6 AU of the transition disk around the Herbig Ae star HD 139614 - Further evidence for a giant planet inside the disk?

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Fig. 4

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contour plot for the grid of flat disk Keplerian models with a power-law intensity. The black cross displays the model with the lowest (0.35). The yellow and red curves show, for each R_in, the value of R_out that would generate a 1σ spectro-astrometric signal or a 1σPSF-FHWM broadening, respectively.

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