Newly Identified Silicate Carbon Stars from IRAS Low-Resolution Spectra

Details Newly Identified Silicate Carbon Stars from IRAS Low-Resolution Spectra Newly Identified Silicate Carbon Stars from IRAS Low-Resolution Spectra

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006chjaa...6..697c&link_type=abstract

Chinese Journal of Astronomy & Astrophysics, Vol. 6, p. 697-704

Astronomy and Astrophysics

Astrophysics

8

Stars: Agb And Post-Agb, Star: Carbon, Infrared: Stars

Scientific paper

The discovery of silicate carbon star poses a challenge to the theory of stellar evolution in the late stage, hence it is important to look for more silicate carbon stars. To this end we have carried out cross-identifications between the new IRAS Low-Resolution Spectrum (LRS) database and the new carbon star catalog, CGCS3. We have found nine new silicate carbon stars with silicate features around 10μ m and/or 18 μm. These newly identified stars are located in the Regions IIIa and VII in the IRAS two-color diagram, which means they indeed have typical far infrared colors of silicate carbon stars. The infrared properties of each of these sources are discussed.

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