Modelling the ice band towards HD 29647

Details Modelling the ice band towards HD 29647 Modelling the ice band towards HD 29647

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.210..803v&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 210, Oct. 15, 1984, p. 803-811.

Astronomy and Astrophysics

Astronomy

11

Ice, Interstellar Matter, Molecular Clouds, Stellar Mass Accretion, Stellar Models, Infrared Spectra, Mie Scattering, Spectral Bands, Stellar Cores, Stellar Spectrophotometry, Stellar Structure

Scientific paper

Calculations have been made on a core-mantle-mantle grain model whose outer mantle consists of dirty ice material accreted in a molecular cloud. The theoretical predictions of both the strength and shape of the H2O band are consistent with infrared observations of HD 29647. It is shown that the absence of a 2200 Å hump cannot be caused by mantles on small graphite particles and therefore must be due to a real depletion of the hump carrier.

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