On the microwave detection of interstellar CH4, SiH4, and GeH4

Details On the microwave detection of interstellar CH4, SiH4, and GeH4 On the microwave detection of interstellar CH4, SiH4, and GeH4

Mar 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...220l..81b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 220, Mar. 15, 1978, p. L81-L85.

Astronomy and Astrophysics

Astronomy

8

Electron Transitions, Germanium Compounds, Interstellar Gas, Methane, Microwave Frequencies, Radio Astronomy, Silanes, Abundance, Emission Spectra, Fine Structure, Interstellar Chemistry, Interstellar Masers, Metal Hydrides, Molecular Energy Levels, Molecular Rotation, Population Inversion

Scientific paper

Two lines in XH4 spherical top molecules are considered excellent candidates for interstellar masers, due to various energy level transitions. Attention is given to infrared and microwave transitions of an electric dipole character in three XH4 molecules: CH4, SiH4, and GeH4. Rotational fine structure is analyzed for the molecules and compared with rotational energy levels. Emission line spectra are predicted as part of an effort to determine interstellar abundance.

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