Microlensing limits on numbers and orbits of extra-solar planets from the 1998-2000 OGLE events

Yiannis Tsapras, Keith Horne, Stephen Kane +1

We analyze three years (1998-2000) of OGLE observations of microlensing events to place limits on the abundance of planets with a planet-to-star mass ratio $q=10^{-3}$ at distances…