OGLE-2019-BLG-0960 Lb: the Smallest Microlensing Planet
OGLE-2019-BLG-0960 Lb: the Smallest Microlensing Planet
Abstract We report the analysis of OGLE-2019-BLG-0960, which contains the smallest mass-ratio microlensing planet found to date ( q = 1.2–1.6 × 10 −5 at 1 σ ). Although there is substantial uncertainty in the satellite parallax measured by Spitzer, the measurement of the annual parallax effect combined with the …