Computer Science
Scientific paper
Jul 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.460..417g&link_type=abstract
The Promise of the Herschel Space Observatory. Eds. G.L. Pilbratt, J. Cernicharo, A.M. Heras, T. Prusti, & R. Harris. ESA-SP 460
Computer Science
2
Line Identification, Surveys, Stars: Post-Agb, Stars: Carbon, Stars: Circumstellar Matter, Stars: Individual: Crl 618, Ism: Molecules, Radio Lines:Stars
Scientific paper
HIFI, the very high resolution heterodyne spectrometer will be able to carry out full spectral line surveys in the submillimeter domain (from ~=0.6 to ~=0.2 mm). Thus, many molecular, atomic and ionic lines will be observed in a fast way with high resolving powers. In this contribution we present for the first time a complete spectral survey of CRL 618 at lambda= 3, 2 and 1 mm. CRL 618 is one of the few clear examples of a C-rich proto-planetary nebula. Data were taken using the Pico Veleta 30-m IRAM telescope between 1999 and 2000 and complemented with Caltech Submillimiter Observatory (CSO) observations. This kind of surveys, in addition to being an excellent overview of the molecular content of this circumstellar envelope represents a preparatory study of the spectral survey programs that could be carried out with FIRST/HIFI and also with PACS and SPIRE on C-rich evolved stars such as IRC+10216, CRL 2688, CRL 618 or NGC 7027.
Cernicharo Jose
Goicoechea Javier R.
Guélin Michel
Pardo Juan Ramon
Phillips Thomas G.
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