the ALMA partnership,who are making their data available to the public after a one year period of exclusive property,an initiative that means invaluable support and encouragement for Vietnamese astrophysics;support from the staff of the ALMA Helpdesk;acknowledged from the Vietnam National Satellite Center(VNSC/VAST);the NAFOSTED funding agency,the World Laboratory,the Odon Vallet Foundation and the Rencontres du Viet Nam
We analyse ALMA observations of the12CO(3-2) emission of the circumstellar envelope(CSE)of the Mira variable binary star W Aql. These provide, for the first time, spatially resolved Doppler velocity spectra of the...