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Fig. 7

image

Six stars reported in this work. The black line shows the observed spectrum, the red one is the best fitting model calculated with SYNTHE, the blue-dashed curve corresponds to the case the stars are not enhanced in carbon relative to solar C/Fe abundance ratios, and the green dotted line corresponds to upper limits. In four cases we are able to give a value for carbon abundance J0140+2344, J1016+1729, J1656+3425 and J2206+0925 and upper limits are given for the other two stars, J0219-9849, J1230+0005.

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