Zirconium sulphide in S stars

Details Zirconium sulphide in S stars Zirconium sulphide in S stars

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.238.1365h&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 238, June 15, 1989, p. 1365-1379. Research supported by

Astronomy and Astrophysics

Astronomy

15

Inorganic Sulfides, Mira Variables, S Stars, Stellar Composition, Stellar Spectra, Zirconium Compounds, Carbon Monoxide, Cyanogen, Hydrides, Water, Zirconium Oxides

Scientific paper

Observations of J-band spectra from 7400-9700/cm were obtained for three type-M and type-S Mira variables near minimum light. Two sets of triple-headed bands been been discovered in the J-band spectrum of the S-type Mira R And: at 7877, 7957, and 8030/cm and at 8379, 8459, and 8530/cm. Additional heads are noted in R And at 7477/cm, near the short-wavelength edge of the atmospheric window, and at 8968, 9031, and 9063/cm. Conspicuous features in the spectra of Chi Cyg and R Cas have been identified with the VO, TiO, and H2O bands.

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