Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...196..753a&link_type=abstract
Astrophysical Journal, vol. 196, Mar. 15, 1975, pt. 1, p. 753-760.
Astronomy and Astrophysics
Astronomy
20
Cosmic Dust, Infrared Astronomy, Radiative Transfer, Stellar Envelopes, Synchrotron Radiation, Astronomical Models, Emission Spectra, Silicates, Thermal Emission
Scientific paper
The radiative transfer techniques of Huang have been further extended in an attempt to construct a specific thermal dust-emission model of eta Carinae which fits the observations of both the spectral and the spatial distribution of the infrared radiation. The model which best fits the observations requires infrared emissivities considerably higher than those of normal-size nonsilicate grains. Evidence is presented that the high infrared emissivities are caused by large particles rather than a heavy concentration of infrared-active silicates. The possibility that synchrotron radiation is responsible for some of the infrared continuum is discussed.
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