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On the 1893 absorption-line spectrum of Eta Carinae
1993
Publications of the Astronomical Society of the Pacific
Preserved Fulltext
It is suggested that several features present in the 1893 absorption-line spectrum of Eta Carinae may be due to high-excitation lines of neutral carbon not seen in the spectra of stars of normal chemical composition. This perhaps implies a relationship of this unique southern variable to the stars of the R Coronae Borealis type.
doi:10.1086/133197
fatcat:vggxz6pwaneubfc64tcsdaqspy