Symbiotic stars - Spectrophotometry at 3-4 and 8-13 microns

Details Symbiotic stars - Spectrophotometry at 3-4 and 8-13 microns Symbiotic stars - Spectrophotometry at 3-4 and 8-13 microns

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.204.1009r&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 204, Sept. 1983, p. 1009-1015.

Astronomy and Astrophysics

Astronomy

39

Companion Stars, Emission Spectra, Infrared Spectra, Stellar Spectrophotometry, Symbiotic Stars, Cool Stars, Stellar Mass Ejection, Stellar Models, Stellar Spectra, Stellar Temperature

Scientific paper

The authors present infrared spectrophotometry of 20 symbiotic stars, mostly of the dust-rich variety. HDE330036 is unique in showing an emission feature at 11.3 μm. The remainder combine a hot grey component and/or optically thin silicate emission. A model in which the grey component is due to optically thick silicate dust is not consistent with the spectra. The authors propose instead that iron-based grains, expected to form in the ejecta of cool stars, are heated by the ultraviolet radiation field of the hot companion.

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