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- W1987583777 abstract "A quantitative spectral analysis of F- and G-type pre--main-sequence stars in NGC 2264 is presented. The programs stars were selected for having normal or nearly normal appearing spectra and a high probability of cluster membership. The metallicity (Fe/H) of NGC 2264 is shown to be quite homogeneous and equal to that of the Coma Cluster of stars. Comparison of the present and previous metallicity determinations from spectral quantification does not support any change in the heavy-element abundance at the Sun's galactocentric distance during the last 5 x 10/sup 9/ years. It does not appear that possible emission at the epoch of the photometry can explain the phenomenon either. The available visual and infrared color excess data and the correlation between spectroscopic and photometric luminosity indicators argue against the presence of neutral absorbers in the circumstellar dust shells. The previously suggested possiblity of anomalous values of the ratio of total to selective absorption which might vary from star to star is not supported by the data." @default.
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- W1987583777 date "1979-09-01" @default.
- W1987583777 modified "2023-09-25" @default.
- W1987583777 title "Spectroscopic comparison of open clusters. II - The reddening, blanketing, and metallicity of NGC 2264" @default.
- W1987583777 doi "https://doi.org/10.1086/190611" @default.
- W1987583777 hasPublicationYear "1979" @default.
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