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Fig. 3


H i spectra for CIG 340. Above: single dish from Lewis et al. (1985) (dashed line) and from GMRT – channel width 13.7 km s-1 (solid line). Centre: single dish minus GMRT residuals. Below: GMRT H i extension spectrum, with the dashed vertical lines indicating its the W50 velocity width (27 km s-1).

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