On the relative abundances of silicon isotopes in the interstellar medium

Details On the relative abundances of silicon isotopes in the interstellar medium On the relative abundances of silicon isotopes in the interstellar medium

Oct 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...249..513p&link_type=abstract

Astrophysical Journal, Part 1, vol. 249, Oct. 15, 1981, p. 513-517.

Astronomy and Astrophysics

Astrophysics

27

Abundance, Interstellar Matter, Molecular Spectra, Silicon Isotopes, Silicon Oxides, Spectrum Analysis

Scientific paper

Interstellar silicon isotopes having relative abundances equal to those in the solar system are indicated by measurements of interstellar silicon monozide, modifying the results of a previous study (Wolff, 1980) which had suggested a different interstellar value on the assumption that the observed SiO spectra were optically thin. It is concluded that the low (Si-28)O/(Si-29)O line intensity ratios measured in the previous study represent an underestimate of the underlying abundance ratios.

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