1. Faculty of Aerospace Engineering, Delft University of Technology , Kluyverweg 1, NL-2629 HS Delft, the Netherlands
2. Zentrum für Astronomie der Universität Heidelberg, Astronomisches Rechen-Institut , Mönchhofstr. 12-14, D-69120 Heidelberg , Germany
3. Centre for Exoplanets and Habitability, University of Warwick , Coventry CV4 7AL , UK
4. Department of Physics, University of Warwick , Coventry CV4 7AL , UK
5. Universite Claude Bernard Lyon 1 , CRAL UMR5574, ENS de Lyon, CNRS, Villeurbanne, F-69622 , France