Carbon Chemistry in interstellar clouds

Details Carbon Chemistry in interstellar clouds Carbon Chemistry in interstellar clouds

2002-12-03

arxiv.org/abs/astro-ph/0212058v1

Astronomy and Astrophysics

Astrophysics

10 Pages, 5 figures. Proceeding of the conference, Chemistry as a diagnostic of Star Formation, held in Waterloo, August 2002

Scientific paper

We discuss new developments of interstellar chemistry, with particular emphasis on the carbon chemistry. We confirm that carbon chains and cycles are ubiquitous in the ISM and closely chemically related to ea ch other, and to carbon. Investigation of the carbon budget in shielded and UV illuminated gas shows that the inventory of interstellar molecules is not complete and more complex molecules with 4 or more carbon atoms must be present. Finally we discuss the consequences for the evolution of clouds and conclude that the ubiquitous presence of carbon chains and cycles is not a necessary consequence of a very young age for interstellar clouds.

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