A Surface Density Perturbation in the TW Hydrae Disk at 95 au Traced by Molecular Emission

R Teague, D Semenov, U Gorti +6

We present ALMA Cycle~2 observations at $0.5^{\prime \prime }$ resolution of TW Hya of CS $J=5-4$ emission. The radial profile of the integrated line emission displays oscillatory fe…