Interstellar extinction by small-coated or uncoated graphite grains

Details Interstellar extinction by small-coated or uncoated graphite grains Interstellar extinction by small-coated or uncoated graphite grains

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...246..794h&link_type=abstract

Astrophysical Journal, Part 1, vol. 246, June 15, 1981, p. 794-800.

Astronomy and Astrophysics

Astrophysics

19

Graphite, Interstellar Extinction, Interstellar Matter, Ultraviolet Spectra, Coatings, Computer Techniques, Particle Size Distribution, Permittivity

Scientific paper

Calculations have been made on the theoretical extinction of spherical graphite particles from 130 to 3500 nm. It is found that graphite particles of radius near 20 nm can have small (0.5 nm) coatings and still be responsible for the 220 nm peak in the interstellar extinction curve. New calculations also show that the effect of finite particle size is relatively unimportant in determining the extinction of graphite spheres at 220 nm.

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