2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/156243We are conducting a spectroscopic monitoring of O and WN -type stars in our Galaxy. In this work, we summarize some of our first results related to the search for radial-velocity variations indicative of orbital motion.4 pages, to appear in the Boletin de la Asociacion Argentina de Astronomia, vol.50Astrophysicstext