The Trapezium Stars. Preliminary Results on Detailed Atmosphere Modeling
A spectroscopic study of the Trapezium Cluster stars in the Orion Nebula is presented. We determine the stellar parameters of the two B0.5V stars theta(1}_{) Ori A and D. The variable spectral features of theta(1}_{) Ori C are studied, and some consequences on the modeling of the stellar atmosphere are considered.
Simón-Díaz, S. et al.
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2003