Lyα halo spectral properties in terms of FWHM (top) and peak shift relative to the central line (bottom) plotted against the absolute UV magnitude of the host galaxy. The larger symbols indicate the six S/NHALO > 10 objects. Spearman rank correlation coefficients ρs and corresponding p0 values are indicated. Open circles (bottom) represent the objects for which the core/halo Lyα lines are not statistically different (see Sect. 5.4). See also Fig. A.3 for other relations between the Lyα line properties and the UV properties of the host galaxy.
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