astro-ph.SR astro-ph.GA
Red supergiant stars in binary systems II. Confirmation of B-type companions of red supergiants in the Small Magellanic Cloud using Hubble ultra-violet spectroscopy
L. R. Patrick D. J. Lennon A. Schootemeijer L. Bianchi I. Negueruela N. Langer D. Thilker R. Dorda