Witnessing the emergence of a carbon star

  title={Witnessing the emergence of a carbon star},
  author={Lizette Guzm{\'a}n-Ram{\'i}rez and E. Lagadec and Roger Wesson and Albert A. Zijlstra and A. Muller and D. Jones and Henri M J Boffin and G. C. Sloan and Matt Redman and Alain Smette and Amanda I. Karakas and L-{\AA}. Nyman},
  journal={Monthly Notices of the Royal Astronomical Society},
During the late stages of their evolution, Sun-like stars bring the products of nuclear burning to the surface. Most of the carbon in the Universe is believed to originate from stars with masses up to a few solar masses. Although there is a chemical dichotomy between oxygen-rich and carbon-rich evolved stars, the dredge-up itself has never been directly observed. In the last three decades, however, a few stars have been shown to display both carbon- and oxygen-rich material in their… Expand

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