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Fig. 11

image

Correlation between nitrogen and hydrogen isotopic ratios in the six protostellar cores investigated in this work (red stars) and in the prestellar sample of Redaelli et al. (2018) (blue dots). The D/H of prestellar cores are from Crapsi et al. (2005), whilst the protostellar values are from Emprechtinger et al. (2009).

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