The extinction of starlight revisited

Details The extinction of starlight revisited The extinction of starlight revisited

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.186...67w&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 186, no. 1, Dec. 1991, p. 67-80.

Astronomy and Astrophysics

Astrophysics

Interstellar Extinction, Interstellar Matter, Stellar Luminosity, Aromatic Compounds, Astronomical Models, Magellanic Clouds, Milky Way Galaxy, Silicon Oxides

Scientific paper

The rigorous Kerker-Matijevic formulas for light scattering by coaxial double cylinders are used to calculate the extinction properties of hollow organic grains. A size distribution of such particles together with iron whiskers of radii 0.01 micron, silica spheres of radius 0.03 micron and free aromatic molecular clusters comprised of 50-100 atoms yield excellent agreement with data on the extinction of starlight. The mass ratios of silica to organics and of iron to organics are in good accord with cosmic abundance constraints.

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