Talk abstract details

With a semi-major axis of 0.41 AU on a quasi-circular orbit, CoRoT-9b was the first transiting exoplanet discovered far enough from its parent star to have an extended Hill sphere, as needed to form and sustain rings and satellites. Using Spitzer, we secured two long-duration observations of CoRoT-9b primary transits to search signatures of transiting satellites and rings in the light curves. We will present the observations and the upper limits they allow to put on the presence of satellites and rings around that planet.