Transits of OGLE-TR-111b

We combine these new transits with five previously published transit epochs for this planet between 2005 and 2006 to extend the analysis of transit timing variations (TTVs) reported for this system. We derive a new planetary radius value of 1.019+/-0.026R_J_, which is intermediate to the previously reported radii of 1.067+/-0.054R_J_ and 0.922+/-0.057R_J_.

We also examine the TTV and duration change claims of Diaz et al. (2008ApJ...682L..49D). Our analysis of all 11 transit epochs does not reveal any points with deviations larger than 2{sigma}, and most points are well within 1{sigma}. Although the transit duration nominally decreases over the four year span of the data, systematic errors in the photometry can account for this result.