tokens: This paper makes use of the following ALMA data: ADS/JAO.ALMA#2015.1.01520.S. ALMA is a partnership of the ESO (representing its member states), NSF (USA), and NINS (Japan), together with the NRC (Canada), MOST and ASIAA (Taiwan), and KASI (Republic of Korea), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by the ESO, AUI/NRAO, and NAOJ. This research has made use of the HyperLeda database ( http://leda.univ-lyon1.fr ). We thank Jonathan Braine, the referee of the paper, for helpful comments that improved the quality of this paper substantially. P.J. acknowledges support through project LM2015067 of the Ministry of Education, Youth and Sports of the Czech Republic. P.J. and J.P. acknowledge support from the project 19-18647S of the Czech Science Foundation and from the institutional research project RVO:67985815. M.S. acknowledges support from NASA grants GO6-17111X and 80NSSC18K0606 and NSF grant 1714764. L.C. is the recipient of an Australian Research Council Future Fellowship (FT180100066) funded by the Australian Government. T.S. acknowledges support through fellowship SFRH/BPD/103385/2014 funded by FCT (Portugal) and POPH/FSE (EC). This work was supported by Fundação para a Ciência e a Tecnologia (FCT) through national funds (UID/FIS/04434/2013) and by FEDER through COMPETE2020 (POCI-01-0145-FEDER-007672). T.S. also acknowledges support from DL 57/2016/CP1364/CT0009. This work was supported by FCT/MCTES through national funds (PIDDAC) by grant PTDC/FIS-AST/29245/2017. E.B. acknowledges support from the UK Science and Technology Facilities Council (grant No. ST/M001008/1). M.F. acknowledges support by the Science and Technology Facilities Council (grant No. ST/P000541/1). This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (grant agreement No. 757535). Facility: ALMA. Software: CASA (McMullin et al. 2007 ), GILDAS (Guilloteau Lucas 2000 ), astropy (Astropy Collaboration et al. 2013 ).
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