Fig. B.2
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Comparison between the main beam peak temperatures for the lines observed for TDra in the two observational campaigns. Upper: main beam peak temperatures of the lines, 2020 observations are shown in black and 2024 observations are shown in yellow. Bottom: Ratio between the 2024 and the 2020 main beam peak temperatures, blue dotted lines indicate the 1.3 and 0.7 range. It is shown that HCO+ and HCN maser lines show significant variability.
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