Polyoxymethylene polymers as interstellar grains

Details Polyoxymethylene polymers as interstellar grains Polyoxymethylene polymers as interstellar grains

Jan 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975mnras.170p..11w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 170, Jan. 1975, p. 11P-16P.

Astronomy and Astrophysics

Astronomy

30

Cosmic Dust, Formaldehyde, Infrared Astronomy, Interstellar Matter, Polymer Physics, Condensing, Interstellar Extinction, Methylene, Optical Polarization, Oxygen, Silicates, Stellar Radiation

Scientific paper

Formaldehyde molecules in interstellar dust clouds condense on interstellar silicate grains as polyoxymethylene whiskers. A significant fraction of interstellar O and C atoms may be frozen onto grains in this form, and this material could be responsible for a major part of the observed extinction and polarization of starlight at optical wavelengths. Polyoxymethylene grains have a spectral band in the wavelength region from 8 to 12 microns, similar to that observed in stellar spectra.

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