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- W2062320490 abstract "view Abstract Citations (14) References (62) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Spectroscopic Study of Carbon Stars With Silicate Features. I. Observations Chan, S. Josephine Abstract The results of an optical spectroscopic study of carbon stars with silicate feature done at the Dominion Astrophysical Observatory (DAO) in Victoria in 1991 is presented. Four stars are confirmed to be C-13-rich carbon stars (J stars). Two stars are provisionally identified as J stars. A preliminary spectral analysis is carried out. Two groups of J stars were found in the IRAS color-color diagram. The 'red group' contains carbon stars with silicate emission feature which are good J star candidates; and the 'vertical strip group' contains standard J stars which show weak or no SiC feature. It is suggested that the sources in the 'red group' represent the higher mass members of the asymptotic giant branch population. The enhancement of C-13 may be explained by the envelope burning mechanism. Publication: The Astronomical Journal Pub Date: November 1993 DOI: 10.1086/116790 Bibcode: 1993AJ....106.2126C Keywords: Asymptotic Giant Branch Stars; Carbon Stars; Emission Spectra; Silicates; Spectrum Analysis; Stellar Composition; Carbon 13; Color-Color Diagram; M Stars; Stellar Spectrophotometry; Telescopes; Astronomy; STARS: CARBON; STARS: LATE-TYPE; STARS: GIANT full text sources ADS | data products SIMBAD (26)" @default.
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- W2062320490 date "1993-11-01" @default.
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- W2062320490 title "Spectroscopic study of carbon stars with silicate features. 1: Observations" @default.
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