The Keenan and Wing bands in S stars

Details The Keenan and Wing bands in S stars The Keenan and Wing bands in S stars

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.191..367l&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 191, May 1980, p. 367-389. Research supported by the Robert A. Welch Fo

Astronomy and Astrophysics

Astronomy

28

Giant Stars, Infrared Spectra, Spectral Bands, Stellar Spectra, Stellar Spectrophotometry, Chlorides, Dwarf Stars, Hydrides, M Stars, Molecular Spectra, Oxides, Sulfides, Tables (Data)

Scientific paper

The paper presents new observations of the near infrared spectra of S stars as part of a survey of the unidentified Keenan and Wing bands. A new band is found at 9014 A, and the bands were not present in normal M giants and dwarfs. Several new identifications are proposed including two new bands in the near infrared at 8219 and 8235 A provided by CeO; a new band with heads at 7503 and 7509 A in a spectrum of R And is tentatively attributed to YS. It is suggested that the heavy element sulfides and possibly chlorides are leading candidates as the potential carriers of Keenan and Wing bands.

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