Further analysis of the B2Sigma/plus/-X2Sigma/plus/ system of the YO molecule

Details Further analysis of the B2Sigma/plus/-X2Sigma/plus/ system of the YO molecule Further analysis of the B2Sigma/plus/-X2Sigma/plus/ system of the YO molecule

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apjs...44..223b&link_type=abstract

Astrophysical Journal Supplement Series, vol. 44, Oct. 1980, p. 223-239.

Astronomy and Astrophysics

Astrophysics

6

Molecular Rotation, Molecular Spectra, Stellar Atmospheres, Yttrium Oxides, Emission Spectra, Line Spectra, Spectral Bands, Tables (Data)

Scientific paper

The B-X system of the YO molecule has been reinvestigated. A rotational analysis is reported for seven new emission bands, and accurate rotational constants are obtained in both states, mainly from a simultaneous multiband fitting. This procedure is applied to the whole set of 1500 observed line wavenumbers in the 0-0, 0-1, 0-2, 1-0, 1-1, 1-2, and 1-3 bands; a final rms of the deviations of 0.023 per cm is obtained. The results may be of interest in identifying the features observed in the spectra of S-type stars and also in investigating the presence of YO in sunspots on the basis of a greater number of rotational lines.

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