Interstellar chlorine abundance: Results and implications of a large-scale survey

Details Interstellar chlorine abundance: Results and implications of a large-scale survey Interstellar chlorine abundance: Results and implications of a large-scale survey

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.218..157h&link_type=abstract

In ESA Fourth European IUE Conf. p 157-160 (SEE N84-35135 24-88)

Computer Science

Abundance, Chlorine, Interstellar Chemistry, Depletion, Iue, Oao 3, Vapor Phases

Scientific paper

Gas phase abundances of interstellar chlorine were estimated for over 40 Galactic sight lines using Copernicus data and equivalent widths from IUE spectra. The background stars have distances of up to 3 kpc and total hydrogen column densities from 6 times 10 to the 19th to 7 times 10 to the 21st power per sqcm. Results show Cl to be significantly depleted: the derived abundance values range over more than an order of magnitude and correlate very well with the mean space density of hydrogen. A mean gas phase abundance of 5.0 on the usual log scale, compared to the probable solar value of 5.5 is found, in spite of the supposed volatility of Cl.

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