Investigation of the inner structures around HD 169142 with VLT/SPHERE

Centre National d'Etudes Spatiales (CNES); Swiss National Science Foundation; Programme National de Planetologie of Centre National de la Recherche Scientifique - Institut National des Sciences de l'Univers (CNRS-INSU); Programme National de Physique Stellaire of Centre National de la Recherche Scientifique - Institut National des Sciences de l'Univers (CNRS-INSU); French Labex OSUG (Investissements d'avenir) [ANR10 LABX56]; CNRS; Agence Nationale de la Recherche (ANR) [ANR-14-CE33-0018]; ANR of France [ANR-16-CE31-0013]; ESO; CNRS (France); MPIA (Germany); INAF (Italy); FINES (Switzerland); NOVA (Netherlands); European Commission Sixth Framework Programme as part of the Optical Infrared Coordination Network for Astronomy (OPTICON) [RII3-Ct-2004-001566]; European Commission Seventh Framework Programme as part of the Optical Infrared Coordination Network for Astronomy (OPTICON) [226604, 312430]