Citation:
Sarty GE, Szalai T, Kiss LL, Matthews JM, Wu K, Kuschnig R, Guenther DB, Moffat AF J, Rucinski SM, Sasselov D, et al. The \ensuremath\gamma-ray binary LS 5039: mass and orbit constraints from MOST observations. \mnras. 2011;411 (2) :1293-1300.