Transient Metal-Containing Molecules in the Laboratory and in Space

Details Transient Metal-Containing Molecules in the Laboratory and in Space Transient Metal-Containing Molecules in the Laboratory and in Space

Aug 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pcim.conf..355z&link_type=abstract

The Physics and Chemistry of the Interstellar Medium, Proceedings of the 3rd Cologne-Zermatt Symposium, held in Zermatt, Septemb

Physics

Scientific paper

Identifying the carriers of the metallic elements in interstellar gas has important implications for gas-phase and grain chemistry, ionization balance, electron abundances, and nucleosynthesis. I n dense material such as molecular clouds and circumstellar envelopes of late-type stars, one meth od of identification is through detecting rotational transitions of metal-bearing molecules. These studies have been severely limited by the lack of accurate rest frequencies of such species. In o ur laboratory we have been conducting measurements of the pure rotational spectra of metal-contain ing species using millimeter/sub-millimeter direct absorption techniques, which we subsequently us e for astronomical searches. Here we present some of our recent results.

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