Radiation transfer in dense interstellar clouds

Details Radiation transfer in dense interstellar clouds Radiation transfer in dense interstellar clouds

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ncimc...7..840a&link_type=abstract

(Convegno Nazionale di Fisica Cosmica, 2nd, L'Aquila, Italy, May 29-June 1, 1984) Nuovo Cimento C, Serie 1 (ISSN 0390-5551), vol

Physics

3

Cosmic Dust, Far Ultraviolet Radiation, Interstellar Matter, Molecular Clouds, Radiation Transport, Albedo, Electromagnetic Scattering, Formaldehyde, Interstellar Chemistry, Interstellar Extinction, Mie Scattering, Nebulae, Photodissociation, Photoionization

Scientific paper

The scattering properties of interstellar dust in the far ultraviolet as derived from the observations are reviewed. The transfer of ultraviolet radiation within a spherically symmetric inhomogeneous cloud is analysed using the method of successive scattering. The effects of different assumptions, both on the albedo and asymmetry factor of interstellar dust, and also of the extinction law on UV radiation penetration into clouds are studied. The results are used to determine the lifetime against photodestruction of interstellar formaldehyde in dense clouds.

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