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Fig. 8


Comparison between NIBLES and literature H i line fluxes, in Jy km s-1. Black dots indicate the sources matched in H i velocity and in line width that were used for the survey flux scale comparisons, whereas the gray dots indicate the other common sources (see also Sect. 4.6 and Table A.7). In each panel, the solid line indicates the mean relationship between both flux scales, whereas the dotted “1:1” line indicates equality between both scales and was only added to guide the eye. Top panel: for line flux calibrator galaxies only, as measured with single-feed receivers at the Nançay Radio Telescope (NRT) for NIBLES and at the Green Bank Telescope (GBT), both compared to Arecibo single-feed receiver fluxes (Arecibo and GBT data are from O’Neil 2004); middle panel: fluxes from the α.40 ALFALFA catalog (Haynes et al. 2011) as a function of NIBLES values; lower panel: fluxes from HIPASS catalogs (Meyer et al. 2004; Wong et al. 2006) as a function of NIBLES values.

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