The sulfur abundance in HR 4049 (HD 89353)

Masahide Takada-Hidai
1990 Publications of the Astronomical Society of the Pacific  
The abundance analysis of three S I lines at 6757 Â, 6748 Â, and 6743 Â observed in HR 4049 reveals that the S overabundance derived from the S I 8694 A feature may suffer blending effects and confirms that S is overabundant relative to other metallic elements heavier than C, N, and O.
doi:10.1086/132619 fatcat:avd3o2fq4nh55hh3tfqphe5e5i