Line surveys in evolved stars and their global analysis: the case of CRL 618

Details Line surveys in evolved stars and their global analysis: the case of CRL 618 Line surveys in evolved stars and their global analysis: the case of CRL 618

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007msl..confe...6p&link_type=abstract

"Molecules in Space and Laboratory, meeting held in Paris, France, May 14-18, 2007. Editors: J.L. Lemaire, F. Combes. ISBN: 9782

Physics

Observations

Scientific paper

The aim of this presentation was to introduce the importance of C-rich Post-AGB objects as efficient factories of complex molecules in Space and how a multiwavelength approach is necessary to understand their physical conditions and chemistry. In particular, we focus on a 80-275 GHz survey of the c-rich protoplanetary nebula CRL 618, carried out with the IRAM-30m telescope, for which a global analysis has allowed us to assign more than 3000 spectral features, with less than 100 U-ines, and to actually build a 3D radiative transfer model that reproduces reasonably well the whole data set thus providing detailed information on the physics and chemistry that is going on.

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