Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.290..133a&link_type=abstract
In ESA, Infrared Spectroscopy in Astronomy p 133-139 (SEE N90-19084 11-89)
Astronomy and Astrophysics
Astronomy
2
Emission Spectra, H Ii Regions, Infrared Spectroscopy, Interplanetary Dust, Fine Structure, Infrared Astronomy, Infrared Astronomy Satellite, Infrared Spectra, Line Spectra, Lyman Alpha Radiation
Scientific paper
The infrared spectrum emitted by nebular dust, heated by the ionizing stars in H II blisters and spherical H II regions, is calculated for various model parameters. Absorption of the non-ionizing radiation in a neutral layer is included. Heating by the Lyman alpha photon field is taken into account. The dust is composed of silicate and graphite grains, and evaporation of the grains in the inner region is considered. The models are presented with a view to interpretation of infrared observations of dusty H II regions and can be applied directly to the infrared astronomy satellite survey data. The continuum emission is compared with calculated fine structure line emission.
Aannestad Per A.
Emery Roger J.
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