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Abundance Estimates in Carbon Star Envelopes

Published online by Cambridge University Press:  30 December 2019

S. Massalkhi ,
M. Agúndez  and
J. Cernicharo
S. Massalkhi
Affiliation:
Molecular Astrophysics Group, IFF, CSIC, C/ Serrano 123, E-28006, Madrid, Spain
M. Agúndez
Affiliation:
Molecular Astrophysics Group, IFF, CSIC, C/ Serrano 123, E-28006, Madrid, Spain
J. Cernicharo
Affiliation:
Molecular Astrophysics Group, IFF, CSIC, C/ Serrano 123, E-28006, Madrid, Spain
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Abstract

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The synthesis of dust grains mostly takes place in the circumstellar envelopes (CSEs) of asymptotic giant branch (AGB) stars. What are the precursor seeds of condensation nuclei and how do these particles evolve toward the micrometer sized grains that populate the interstellar medium? These are key questions of the NANOCOSMOS project. In this study, we carried out an observational study to constrain what the main gas-phase precursors of dust in C-rich AGB stars are.

Keywords

astrochemistry(stars:) circumstellar matterAGB and post-AGB
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S343: Why Galaxies Care About AGB Stars: A Continuing Challenge through Cosmic Time , August 2018 , pp. 460 - 461
Copyright
© International Astronomical Union 2019 

References

Massalkhi, S., Agúndez, M., Cernicharo, J., et al. 2018, A&A, 611, A29 Google ScholarPubMed