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Fig. 4


Histogram of normalized perpendicular distances for α.btfr galaxies. The blue histogram represents the distribution of d,i/σ,i, which is the perpendicular distance of a α.btfr datapoint from the fit line, normalized by the perpendicular error for the specific datapoint (refer to Fig. 3). The thin dotted line is a standard normal distribution, which is the expected distribution for a zero intrinsic scatter relation.

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