Abstract
THE dominant feature of the M-type stars is the very extensive group of titanium oxide bands, beginning in the blue region of the spectrum and continuing far to the red. The group of bands occurring in the blue-green region has been analysed (see Christy and Birge, NATURE, 122, 205; 1928), and shown to be due to a 3P – 3P transition of neutral titanium oxide.
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CHRISTY, A. A New Titanium Band System. Nature 123, 873–874 (1929). https://doi.org/10.1038/123873b0
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DOI: https://doi.org/10.1038/123873b0
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