K. Cunha, AN ABUNDANCE COMPARISON BETWEEN B STARS AND NEBULA IN THE ORION ASSOCIATION, Revista Mexicana de Astronomia y Astrofisica, 27, 1993, pp. 111-114
LTE Carbon, Nitrogen and Oxygen abundances are presented for 12 B star
s belonging to the youngest subgroups of the Orion association. These
stellar analyses confirm published abundances analyses of the Orion Ne
bula that show Orion to be underabundant relative to the Sun.