Fig. 2.
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Spectra ranging from −300 to 300 km s−1 centered at the [C II] observed-frame frequency at z = 6.8076 (243.3465 GHz), based on a channel resolution of 30 km s−1. The gray region corresponds to the rms per channel. The spectra represent the: (a) Upper panel: central source C; (b) Central panel: N1+N2 emissions; and (c) Bottom panel: west emission. The regions are marked in Fig. 1.
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