Table 12: The FWHM and the ratio $A={{\it HWHM}_{\rm red}/{\it HWHM}_{\rm blue}}$ of the red/blue, for the averaged and rms profiles of H$\alpha $ and H$\beta $, during the three periods.
Period FWHM (H$\alpha $) $A_\alpha$ FWHM (H$\beta $) $A_\beta$
first 4780 $\pm$ 350 0.944 $\pm$ 0.012 5980 $\pm$ 550 0.935 $\pm$ 0.048
second 4020 $\pm$ 570 0.872 $\pm$ 0.053 5550 $\pm$ 750 1.086 $\pm$ 0.067
third 5790 $\pm$ 410 1.491 $\pm$ 0.075 6350 $\pm$ 430 1.282 $\pm$ 0.112

mean profile		 4650 $\pm$ 420 1.000 $\pm$ 0.023 6110 $\pm$ 440 1.056 $\pm$ 0.018
Period FWHM (rms H$\alpha $) $A_\alpha$ - rms FWHM (rms H$\beta $) $A_\beta$ - rms
first 4790 $\pm$ 350 0.810 $\pm$ 0.046 5430 $\pm$ 530 0.596 $\pm$ 0.017
second 3100 $\pm$ 480 1.061 $\pm$ 0.026 3700 $\pm$ 550 0.811 $\pm$ 0.068
third 3150 $\pm$ 350 0.816 $\pm$ 0.038 3760 $\pm$ 1100 1.168 $\pm$ 0.210

mean rms		 4420 $\pm$ 320 0.830 $\pm$ 0.011 5490 $\pm$ 420 0.775 $\pm$ 0.023


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