Observations and interpretation of the infrared spectrum of HD 44179

Details Observations and interpretation of the infrared spectrum of HD 44179 Observations and interpretation of the infrared spectrum of HD 44179

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977pasp...89..335b&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 89, June-July 1977, p. 335-338.

Astronomy and Astrophysics

Astronomy

5

Early Stars, Giant Stars, Infrared Astronomy, Stellar Spectra, A Stars, B Stars, Binary Stars, Carbon, Emission Spectra

Scientific paper

Infrared spectra of HD 44179 have been obtained for the 3040-, 1150-, and 890-kayser emission features. The strengths of the features put constraints on the possible constituents of the materials responsible for each emission feature. The 3040-kayser feature can be due to emission either from a solid (if it arises from a different region than the 890-kayser feature) or from a gas-phase molecule. The 8-13-micron spectrum is fitted with a simple model employing carbonates plus a dielectric in emission and silicates in absorption. It is suggested that amorphous carbon is the dielectric responsible for the featureless underlying continuum.

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