Deuterated molecules in DM Tauri: DCO+, but no HDO

@article{Guilloteau2006DeuteratedMI,
  title={Deuterated molecules in DM Tauri: DCO+, but no HDO},
  author={St'ephane Guilloteau and Vincent Pi'etu and Anne Dutrey and Michel Gu'elin},
  journal={Astronomy and Astrophysics},
  year={2006},
  volume={448}
}
  • St'ephane Guilloteau, Vincent Pi'etu, +1 author Michel Gu'elin
  • Published 2006
  • Physics
  • Astronomy and Astrophysics
  • We report the detection of the J = 2-1 line of DCO + in the proto-planetary disk of DM Tau and re-analyze the spectrum covering the 465 GHz transition of HDO in this source, recently published by Ceccarelli et al. (2005, ApJ, 631, L81). A modelling of the DCO + line profile with the source parameters derived from high resolution HCO + observations yields a DCO + /HCO + abundance ratio of ≃4 x 10 -3 , an order of magnitude smaller than that derived in the low mass cores. The re-analysis of the… CONTINUE READING

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