We present new ALMA Band 6 observations including the CO ( 2-1 ) line and 1.3 mm continuum emission from the surroundings of the young stellar object DO Tauri .
The ALMA CO molecular data show three different series of rings at different radial velocities .
These rings have radii around 220 au and 800 au .
We make individual fits to the rings and note that their centers are aligned with DO Tauri and its optical high-velocity jet .
In addition , we notice that the velocity of these structures increases with the separation from the young star .
We discuss the data under the hypothesis that the rings represent velocity cuts through three outflowing shells that are possibly driven by a wide-angle wind , dragging the environment material along a direction close to the line of sight ( i = 19 \degr ) .
We estimate the dynamical ages , the mass , the momentum and the energy of each individual outflow shell and those of the whole outflow .
The results are in agreement with those found in outflows from Class II sources .
We make a rough estimate for the size of the jet/wind launching region , which needs to be of \lesssim 15 au .
We report the physical characteristics of DO Tauri ’ s disk continuum emission ( almost face-on and with a projected major axis in the north-south direction ) and its velocity gradient orientation ( north-south ) , indicative of disk rotation for a 1-2 M _ { \sun } central star .
Finally we show an HST [ SII ] image of the optical jet and report a measurement of its orientation in the plane of the sky .