W Hya through the eye of Odin Satellite observations of circumstellar submillimetre H${}_2$O line emission

K. Justtanont, P. Bergman, B. Larsson +10

We present Odin observations of the AGB star W Hya in the ground-state transition of ortho-H2O, 1(10)-1(01), at 557GHz. The line is clearly of circumstellar origin. Radiative trans…