Water isotopologues in the circumstellar envelopes of M-type AGB stars

Taïssa Danilovich, R. Lombaert, L. Decin +3

AIM: In this study we examine rotational emission lines of two isotopologues of water: H${}_2$${}^{17}$O and H${}_2$${}^{18}$O. By determining the abundances of these molecules, we aim to…