Fig. 6.
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Zoom in on the Lyα emission line in the G140M 1D (lower) and 2D (upper) spectra. The dashed grey line shows the systemic wavelength of the Lyα transition. The histograms (top left) of the Lyα spatial profile (yellow) and that of the continuum (blue) show the Lyα emission from GN-z11 is more extended towards the south-west (up in the MSA shutter in this view).
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