Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85.1382c&link_type=abstract
Astronomical Journal, vol. 85, Oct. 1980, p. 1382-1385. Research supported by the National Research Council of Canada
Astronomy and Astrophysics
Astronomy
8
Interstellar Matter, Molecular Clouds, Molecular Spectra, Radio Sources (Astronomy), Titanium Oxides, Astronomical Catalogs, Interstellar Chemistry, M Stars, Reaction Kinetics
Scientific paper
Results are reported of a search in July 1978 for titanium monoxide (TiO) at radio wavelengths toward a selected group of oxygen-rich, late-type stars and molecular clouds. However, the search in two radio transitions has failed to detect the molecule. The total column density of TiO is typically less than 1 x 10 to the 12th per cu cm, and the 'missing' or 'depleted' atomic interstellar gas phase Ti is not in the form of gaseous TiO. This suggests that highly depleted atoms such as Ti, Ca, and Al are bound in interstellar grains.
Churchwell Edward
Gerry C. L. M.
Hocking W. H.
Merer Anthony J.
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