Interstellar dust spectra between 2.5 and 3.3 microns - A search for hydrated silicates

Details Interstellar dust spectra between 2.5 and 3.3 microns - A search for hydrated silicates Interstellar dust spectra between 2.5 and 3.3 microns - A search for hydrated silicates

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985aj.....90.1828k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 90, Sept. 1985, p. 1828-1831.

Astronomy and Astrophysics

Astronomy

17

Cosmic Dust, Hydrates, Infrared Absorption, Interstellar Extinction, Interstellar Matter, Silicates, Hydroxyl Compounds, Serpentine, Spectrum Analysis

Scientific paper

Spectra in the 2.5-3.3 micron wavelength region of VI Cyg 12, AFGL 2205, and AFGL 2885 were obtained in a search for bound water, hydroxyl groups, and hydrated minerals in interstellar dust. No new absorption bands were found. Comparison of expected strengths of bands of serpentine and chlorite-like minerals with the data suggests that less than 25 percent and 50 percent, respectively, of the silicate in the grains is composed of these materials.

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