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A search for interstellar gas-phase CO2

Published online by Cambridge University Press:  25 May 2016

E.F. Van Dishoeck  and
F.P. Helmich
E.F. Van Dishoeck
Affiliation:
Sterrewacht Leiden P.O.-Box 9513, 2300 RA Leiden, The Netherlands
F.P. Helmich
Affiliation:
Sterrewacht Leiden P.O.-Box 9513, 2300 RA Leiden, The Netherlands

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CO2 is one of the simplest carbon- and oxygen-containing molecules, for which little is known in interstellar space, because of its high abundance in the Earth's atmosphere. Only indirect searches of the chemically related HOCO+ ion have been possible from the ground (Thaddeus et al. 1981; Minh et al. 1988, 1991). The ISO Short Wavelength Spectrometer (SWS) (de Graauw et al. 1996a) opens up the possibility to search for the infraredactive asymmetric stretch and bending modes of gas-phase CO2 around 4.3 and 15.0 μm toward bright infrared sources.

Information

Type
ISO First Results
Information
Symposium - International Astronomical Union , Volume 178: Molecules in Astrophysics: Probes and Processes , 1997 , pp. 401 - 404
Copyright
Copyright © Kluwer 1997 

References

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