Spectral classification of southern-hemisphere Mira variables

Details Spectral classification of southern-hemisphere Mira variables Spectral classification of southern-hemisphere Mira variables

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jrasc..78..103c&link_type=abstract

Journal of the Royal Astronomical Society of Canada (ISSN 0035-872X), vol. 78, June 1984, p. 103-126.

Astronomy and Astrophysics

Astronomy

3

Astronomical Catalogs, Mira Variables, Southern Sky, Stellar Spectra, Variable Stars, Classifications, Line Spectra, Spectrum Analysis, Tables (Data), Visible Spectrum

Scientific paper

The catalog of Keenan, Garrison and Deutsch (1974) has been extended by the addition of 483 blue spectrograms of 72 southern-hemisphere Mira variables. About 190 direct and image-tube plates at a dispersion of 120 A/mm were obtained in Chile between 1977 and 1982. Along with the spectral types, emission ratios H-delta 4101/H-gamma 4340/H-beta 4861 and eye-estimated intensities of the Ca I 4226, Cr I 4254 and Sr II 4077 absorption lines have been tabulated. Data for the 15 best-studied Miras in the southern-hemisphere program are presented. In addition, spectral montages for six stars have been prepared to illustrate changes in the visual spectra of Mira variables through their respective cycles.

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