Search for C2- in Diffuse Clouds

Details Search for C2- in Diffuse Clouds Search for C2- in Diffuse Clouds

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005pasj...57..605c&link_type=abstract

Publications of the Astronomical Society of Japan, Vol.57, No.4, pp. 605-609

Astronomy and Astrophysics

Astronomy

1

Ism: Clouds, Ism: Lines And Bands, Ism: Molecules, Molecular Processes

Scientific paper

A search has been carried out for the C2- ion in diffuse clouds toward HD 23180, HD 24912, HD 24398, HD 46711, and HD 50064 using the HIDES spectrometer on the Okayama 188-cm telescope. An upper limit of 8.3 × 1010, 1.8 × 1012 cm-2 was obtained for the C2- column density. The upper limit value (3.8 × 1011 cm-2) toward HD 23180 is two orders of magnitude smaller than that of the C2 radical. Possible production mechanisms for C2- are discussed.

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