Multi-transition VLBA observations of circumstellar SiO masers

R. Soria-Ruiz, F. Colomer, J. Alcolea +5

On this paper, we present simultaneous VLBA observations of the J=1-0 and J=2-1 rotational lines in the v=1 and v=2 vibrationally excited states of SiO (at 7 and 3 mm wavelengths).…