Gamen, R.; Barba, R.; Morrell, N.; Arias, J.; Maíz Apellániz, J.; Sota, A.; Walborn, N. R.; Alfaro, E.
eprint arXiv:0803.0681
03/2008
We 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.