55 Cancri C/O ratio

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55 Cancri C/O ratio

Post by Lazarus on 25th September 2013, 6:15 pm

Teske et al. "Carbon and Oxygen Abundances in Cool Metal-rich Exoplanet Hosts: A Case Study of the C/O Ratio of 55 Cancri"
http://arxiv.org/abs/1309.6032

The C/O ratio appears to be lower than previously believed, close to the critical value above which the disc is expected to produce carbon-rich planetesimals.
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