Physical structure of the TW Hya disk slices at 10 au (red lines), 20 au (green lines) and 30 au (blue lines) as a function of disk height, z, scaled by the radius, r. From the top-left panel and moving clockwise: gas number density (cm−3), gas (solid lines) and dust (dashed lines) temperaure (K), ionisation rate (s−1) due to X-rays and cosmic rays (solid lines) and X-rays only (dashed lines), and far-UV flux (in units of G0, where G0 = 1.3 × 10−3 erg cm−2 s−1 is the average interstellar radiation field).
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