Imaging the dust sublimation front of a circumbinary diskM. Hillen, J. Kluska, J.-B. Le Bouquin, H. Van Winckel, J.-P. Berger, D. Kamath and V. BujarrabalA&A, 588 (2016) L1DOI: https://doi.org/10.1051/0004-6361/201628125