The spectrum of the star AP HD 3473

Astronomy and Astrophysics – Astronomy

Scientific paper

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A Stars, Abundance, Emission Spectra, Peculiar Stars, Stellar Spectra, Spectral Line Width, Stellar Atmospheres, Stellar Spectrophotometry

Scientific paper

The spectrum of the Ap star HD 3473 has been studied from microphotometric register of two plates with a dispersion of 16.9 A/mm taken in the blue at Kitt Peak National Observatory. Abundances are determined using model atmospheres and the WIDTH 5 program. The presence of emission fill-in in the cores of the stronger lines of Si II and Mg II is confirmed.

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