Análisis cualitativo del espectro de la estrella peculiar HD 18474

The λλ 400-500 Å region has been identified in the spectrum of the G4, III giant peculiar HD 1847, spectrogrmas of 2.9 Å/mm have been used. Relative intensities have been assigned to each line. An important weakness has been observed in the intensities of the B2 Σ  X2 Σ system of CN band at λλ 4216 Å, of the G-band of CH at λλ 4300 Å and also of the Swan system corresponding to v' - v'' = +1, λλ 4737 (1, 0). The BaII lines are stronger than in normal stars of same spectral type.

Publicado en "Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid", tomo LXV, cuaderno 1º.

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Keywords

Astronomía, Espectro, Estrellas peculiares

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