Fig. 19.

Rectified spectrograms for HD 191 201 at the GOSSS spectral resolution of R ∼ 2500 and on the heliocentric reference frame. For each spectrogram, the name, spectral type, and evening date (YYMMDD) are shown. The top spectrogram is the weighted combination of the two components for the 190914 epoch. Main atomic and ISM lines are indicated.
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