Searching for the near infrared counterpart of Proxima c using multi-epoch high contrast SPHERE data at VLT

Progetto Premiale 2015 FRONTIERA of the Italian Ministry of Education, University, and Research OB.FU. 1.05.06.11 CONICYT + PAI/Convocatoria nacional subvencion a la instalacion en la academia, convocatoria 2017 + Folio PAI77170087 European Union (EU) 664931 Swiss National Science Foundation (SNSF) PZ00P2180098 Ministry of Education, Universities and Research (MIUR) Research Projects of National Relevance (PRIN) Programme National de Planetologie (PNP) Programme National de Physique Stellaire (PNPS) of CNRS-INSU French National Research Agency (ANR) ANR10 LABX56 Centre National de la Recherche Scientifique (CNRS) French National Research Agency (ANR) ANR-14-CE330018 ESO Centre National de la Recherche Scientifique (CNRS) MPIA (Germany) Istituto Nazionale Astrofisica (INAF) FINES (Switzerland) NOVA (Netherlands) European Union (EU) RII3-Ct-2004-001566 226604 312430 European Union (EU) RII3-Ct-2004-001566 226604 312430 French National Research Agency (ANR) ANR-15-IDEX-02