New candidates for carbon stars with silicate features

Details New candidates for carbon stars with silicate features New candidates for carbon stars with silicate features

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...383..837c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 383, Dec. 20, 1991, p. 837-841. Research supported by NASA.

Astronomy and Astrophysics

Astronomy

31

Carbon Stars, Infrared Sources (Astronomy), Silicates, Astronomical Catalogs, Emission Spectra, Spectral Energy Distribution, Stellar Envelopes, Stellar Spectra

Scientific paper

All stars in the General Catalog of Cool Galactic Carbon Stars with IRAS 12-micron fluxes greater than 10 Jy were searched for Low-Resolution-Spectrometer (LRS) spectra in the IRAS LRS data base. Out of the 532 spectra examined, 11 were found to show the 9.7-micron silicate emission feature. Four of these are identified for the first time. This group of carbon stars may represent transition objects between oxygen-rich and carbon-rich stars on the asymptotic giant branch.

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