Carbon stars with circumstellar silicate features

Details Carbon stars with circumstellar silicate features Carbon stars with circumstellar silicate features

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....106.2140k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 106, no. 5, p. 2140-2153

Astronomy and Astrophysics

Astronomy

27

Astronomical Catalogs, Carbon Stars, Emission Spectra, Silicates, Spectral Energy Distribution, Stellar Envelopes, Stellar Spectra, Asymptotic Giant Branch Stars, Binary Stars, Data Bases, Infrared Astronomy Satellite, Stellar Models

Scientific paper

All stars in the General Catalogue of Cool Galactic Carbon Stars with IRAS 12 micrometer fluxes greater than 5 Jy were searched for low resolution spectra (LRS) in the IRAS LRS database. Four more candidates for carbon stars with silicate features are found, bringing the total of this group of objects to 15. The spectral energy distributions of these 15 stars are fitted with a detached shell model, and the results are found to be consistent with the hypothesis that these stars represent transition objects between oxygen-rich and carbon-rich stars.

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