Grain temperatures and infrared emission from interstellar dust clouds

Details Grain temperatures and infrared emission from interstellar dust clouds Grain temperatures and infrared emission from interstellar dust clouds

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.180..323a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 180, Aug. 1977, p. 323-337. Consiglio Nazionale delle Ricerche

Astronomy and Astrophysics

Astrophysics

4

Cosmic Dust, Infrared Radiation, Interstellar Matter, Nebulae, Optical Properties, Energy Absorption, Equilibrium Equations, Graphite, Olivine, Silicates, Temperature Distribution

Scientific paper

Experimentally determined refractive indices have been used to calculate optical properties of silicate grains in cosmic dust clouds of varying densities and for various silicate-graphite-iron mixtures. The transfer of scattered radiation within the cloud has been investigated. The temperature distribution in the cloud has been evaluated. In a wide range of cases of astrophysical interest the silicate grain temperatures are low enough to allow recombination and condensation reactions to take place.

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