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Fig. 1


Spectra of the targeted water lines toward both IRAS 16293-2422 A and B. The 203 GHz H218O line spectrum (top) was binned to twice the resolution for clarity. The 1D Gaussian fits (red: H218O; green: CH3OCH3; magenta: unidentified) and the RMS (blue) are plotted. Shaded areas show the interval over which the integrated intensities have been calculated (yellow and blue). The dotted green vertical lines shows vLSR = 3.2 and 2.7 km s-1 for source A and B respectively. The third spectrum from the top (blue fill) is from data smoothed with a 1′′ Gaussian kernel.

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