TiO band strengths in metal-rich globular clusters. II

Details TiO band strengths in metal-rich globular clusters. II TiO band strengths in metal-rich globular clusters. II

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...228..423m&link_type=abstract

Astrophysical Journal, Part 1, vol. 228, Mar. 1, 1979, p. 423-429.

Other

36

Abundance, Astronomical Photometry, Globular Clusters, Metals, Titanium Oxides, Calibrating, Spectrophotometry, Stellar Luminosity, Stellar Temperature

Scientific paper

Band-strength spectrophotometry between 7000 A and 1 micron is presented for the reddest stars in M4, M14, M28, M69, M22, NGC 6304, and NGC 6366. Metallicities are derived for these clusters from the threshold temperature for TiO formation by using a calibration developed in an earlier paper. The results are in quite good agreement with a recent calibration of integrated cluster colors. It is shown that, in combination with other metallicity parameters, TiO band studies can yield both the cluster reddening and metallicity simultaneously.

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