(1) Observatoire de la Côte d'Azur, B.P. 229, 06304 Nice cedex 4, France;(2) Observatorio Nacional, R. Gal. Bruce 586, Rio de Janeiro, Brazil;(3) Observatoire de la Côte d'Azur, B.P. 229, 06304 Nice cedex 4, France
Abstract:
Theoretical visibility curves are presented for one carbon and one oxygen star. We aim to show the importance of measurements at wavelengths across the band.