Fig. 3
C i lines of UV mult. 7 (λλ 1277.245, 1277.283, 1277.513, 1277.550, 1277.273, and 1277.954 Å) and the C ii blend at λλ 1335.663, 1335.708 Å computed with both the average carbon abundances of −5.5 dex (red line) and the abundance step function shown in Fig. 2b (blue line) are compared each with other and with the observed spectrum (black line).
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