Physical properties and optical-infrared transmission spectrum of the giant planet XO-1b

John Southworth, J. Tregloan-Reed, A. Pinhas +3

We present ten high-precision light curves of four transits in the XO-1 planetary system, obtained using $u$, $g$, $r$, redshifted H$\alpha$, $I$ and $z$ filters. We use these to measur…