ALMA discovery of a rotating SO/SO2 flow in HH212 - A possible MHD disk wind?

  title={ALMA discovery of a rotating SO/SO2 flow in HH212 - A possible MHD disk wind?},
  author={Beno{\^i}t Tabone and Sylvie Cabrit and Eleonora Bianchi and Jonathan Ferreira and Guillaume Pineau des For{\^e}ts and Claudio Codella and Antoine Gusdorf and Fr'ed'eric Gueth and Linda Podio and Edwige Chapillon},
  journal={Astronomy and Astrophysics},
We wish to put tight constraints on the possible contribution of an MHD disk wind (DW) to the HH212 molecular jet. We use ALMA Cycle 4 to map the inner outflow at $0.13" \sim$ 60~au resolution, and compare with synthetic predictions for DW models. We identify in SO/SO$_2$ a rotating flow wider and slower than the axial SiO jet. The broad outflow cavity seen in C$^{34}$S is not carved by a fast wide-angle wind but by this slower agent. Rotation signatures may be fitted by a DW of moderate lever… 

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