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Fig. 21
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RR Aql Medicina/Effelsberg H2O maser light curves 1990 - 1997 of RR Aql showing the emission in the Vlos < 28.5 and >28.5 km s−1 part of the maser velocity range in blue and red colour respectively. The sum of both (in black) is the integrated flux densities 5 (tot) as shown in Fig. 20. Vertical dotted lines as in Fig. 20.
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