Impact of occultations of stellar active regions on transmission spectra - Can occultation of a plage mimic the signature of a blue sky?M. Oshagh, N. C. Santos, D. Ehrenreich, N. Haghighipour, P. Figueira, A. Santerne and M. MontaltoA&A, 568 (2014) A99DOI: https://doi.org/10.1051/0004-6361/201424059