The eccentric short-period orbit of the supergiant fast X-ray transient HD 74194 (=LM Vel) R. Gamen, R. H. Barbá, N. R. Walborn, N. I. Morrell, J. I. Arias, J. Maíz Apellániz, A. Sota and E. J. Alfaro A&A, 583 (2015) L4 Published online: 04 November 2015 DOI: 10.1051/0004-6361/201527140