The chemical composition of the extreme halo stars. III - Equivalent widths of 20 dwarfs

Details The chemical composition of the extreme halo stars. III - Equivalent widths of 20 dwarfs The chemical composition of the extreme halo stars. III - Equivalent widths of 20 dwarfs

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26as...86...85z&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 86, no. 1, Nov. 1990, p. 85-93.

Physics

Optics

20

Chemical Composition, Dwarf Stars, Galactic Evolution, Halos, Spectral Line Width, Astronomical Photometry, Cassegrain Optics, Charge Coupled Devices, Signal To Noise Ratios

Scientific paper

In the first two papers of this series the chemical composition of 20 extreme halo stars was discussed. The abundances of a number of elements were determined using model atmosphere analysis of equivalent widths. In this paper a tabulation of the equivalent width data is presented. A comparison of the measurements with the equivalent widths from different sources is used to assess the quality of the data.

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