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Detection and measurement of total ozone from stellar spectra: Paper 2. Historic data from 1935?1942

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Academic year: 2021

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Figure

Table 1. Log of stellar spectrograms.
Fig. 1. Sample spectra, linearized and normalized as described in the text, plotted against wavelength (in nm); each vertical scale extends from 100–50%
Fig. 2. Determining O 3 columns, (a) from plate Ce 1245 of β Ori and (b) from a “cleaned” spectrum of Vega based on plate Ce 2340.
Fig. 3. O 3 columns, in DU, derived from MW spectra versus (nu- (nu-merical) calendar month
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