Ratio of measured output flux density to input flux density (Sout∕Sin) as a functionof input flux density (Sin) in the CLEAN bias simulation. The black dots are the median Sout∕Sin for each Sin bin and the error bars represent ±1σ in Sout ∕Sin for each bin. The black line represents the best fit function of the data points, which is Sout ∕Sin = 0.987 − 19.927∕(Sin∕σrms), where σrms is the local rms noise. The plot indicates that CLEAN bias is negligible.
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