Line identification in the spectrum of HD 213918

Details Line identification in the spectrum of HD 213918 Line identification in the spectrum of HD 213918

Oct 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pasp...93..614m&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 93, Oct.-Nov. 1981, p. 614-620. Research supported by the Comision de I

Astronomy and Astrophysics

Astronomy

4

Atomic Spectra, Line Spectra, Metallic Stars, Peculiar Stars, Stellar Spectra, Abundance, Chemical Composition, Helium, Iron, Phosphorus, Radial Velocity, Star Clusters, Stellar Rotation, Stellar Spectrophotometry, Stellar Temperature

Scientific paper

Line identifications are presented for the spectrum of the peculiar star HD 213918, the only peculiar star found which is a probable member of the Lacerta OB1 association. Spectrograms on which the identifications are based were obtained with the coude feed system at Kitt Peak with a linear dispersion of 16.9 A/mm. Among the atomic species found with lines between 3700 and 4700 A are the first three ionization states of Fe, P II, P III, Cl II, Sr II and Hg II. THe U-B color index of -0.53 is used to derive an effective temperature of 14,800 K. Results suggest the relation of HD 213918 to the He-weak and silicon stars.

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