Grain growth in interstellar clouds

Details Grain growth in interstellar clouds Grain growth in interstellar clouds

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.191..309w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 191, Apr. 1980, p. 309-319. Research supported by the Science Research

Astronomy and Astrophysics

Astronomy

39

Crystal Growth, Infrared Spectroscopy, Interstellar Matter, Plasma Clouds, Absorption Spectra, Dielectrics, Ice, Interstellar Extinction, Polarization (Waves), Stellar Envelopes

Scientific paper

An investigation of grain growth in interstellar clouds shown by increases in the wavelength of maximum polarization and the ratio of total to selective extinction is presented. A comparison of the correlation between the wavelength of maximum linear polarization and the color excess ratio with theoretical models indicates that growth occurs by the accretion of dielectric mantles on to the dielectric grain cores of the same refractive index. It was shown that the dielectric grain cores of the same refractive cloud do not contain appreciable water ice, concluding that a grain model involving refractory compounds of oxygen can explain the available data.

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