Circumstellar chlorine chemistry and a search for AlCl

Details Circumstellar chlorine chemistry and a search for AlCl Circumstellar chlorine chemistry and a search for AlCl

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240..828c&link_type=abstract

Astrophysical Journal, Part 1, vol. 240, Sept. 15, 1980, p. 828-833. Research supported by the Robert Welch Foundation

Physics

8

Aluminum Chlorides, Chemical Composition, Chlorine, Interstellar Chemistry, Molecular Physics, Stellar Envelopes, Abundance, Late Stars, Molecular Spectra, Stellar Atmospheres, Temperature Distribution

Scientific paper

The J = 7-6 transition of AlCl has been sought in carbon-rich circumstellar shells, Orion A, and Sgr B-2. The upper limit for IRC + 10216 is 20 times less than the predicted value for fully associated AlCl. It is suggested that either the initial density in the circumstellar gas flow (not greater than 10 to the 10th per cu cm) or the gaseous Al and Cl are depleted by grains in this object.

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