Abstract
High-resolution Digicon spectra of the NH band at 3360 A have been analyzed by spectrum synthesis to determine nitrogen abundances in 14 disk and halo F and G dwarfs with metal deficiencies covering the range -2.3< or =(Fe/H)< or =-0.3. We have determined carbon abundances from parallel observations and analysis of CH. In all stars nitgrogen closely follows carbon and iron; i.e., (N/C)roughly-equal0.0. We conclude that nitrogen is a primary element.
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