Proc. IAU volume 13, issue S336, P399-400 2017 DOI: 10.1017/s1743921317010109 View full text
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Michael C. Stroh, Ylva M. Pihlström, Lorant O. Sjouwerman

Abstract: AbstractUsing quasi-simultaneous observations of 86 stars with known SiO maser emission, we searched for systematic differences between the strengths of the 43 and 86 GHz v=1 maser lines. Although for individual stars there is wide scatter between the line strengths spanning nearly an order of magnitude, there is no evidence of a systematic difference between these line strengths for the entire sample.