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Fig. 1

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21-cm absorption detected towards the QGP J0849+5108. Origin of the velocity scale given at the top is defined with respect to the maximum of optical depth. Individual Gaussian components labelled as A, B, and C (see Table 1) and resulting fits to the absorption profile are plotted as dotted and continuous lines, respectively. Residuals are also shown with an arbitrary flux offset for clarity. Shaded regions mark the frequency range affected by RFI.

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