Mass measurement of a single unseen star and planetary detection efficiency for OGLE 2007-BLG-050

V. Batista, Subo Dong, A. Gould +93

We analyze OGLE-2007-BLG-050, a high magnification microlensing event (A ~ 432) whose peak occurred on 2 May, 2007, with pronounced finite-source and parallax effects. We compute p…