The abundance of S- and Si-bearing molecules in O-rich circumstellar envelopes of AGB stars

S. Massalkhi, M. Agúndez, J. Cernicharo +1

Aims: We aim to determine the abundances of SiO, CS, SiS, SO, and SO${}_2$ in a large sample of oxygen-rich AGB envelopes covering a wide range of mass loss rates to investigate the…