MIneral grains and the 10 and 20 micron spectral features in the Trapezium nebula

Details MIneral grains and the 10 and 20 micron spectral features in the Trapezium nebula MIneral grains and the 10 and 20 micron spectral features in the Trapezium nebula

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.141..399m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 141, no. 2, Feb. 1988, p. 399-405.

Astronomy and Astrophysics

Astrophysics

Cosmochemistry, Meteoritic Composition, Minerals, Murchison Meteorite, Nebulae, Silicates, Geochemistry, Lunar Composition, Organic Compounds

Scientific paper

The infrared emission observed for dust in the Trapezium nebula over the waveband 8 - 40 μm cannot be explained on the basis of a simple silicate model involving either terrestrial or lunar silicates. Laboratory measurements were carried out to determine the opacity coefficient of finely crushed Murchison meteorite material. Murchison material (including organics within it) provides a better fit to the Trapezium data than any known silicate, but the agreement is inferior to that obtained for a diatom model.

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