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The young systems PZ Tel and HD 1160, hosting known low-mass companions, were observed during the commissioning of the new planet finder SPHERE with several imaging and spectroscopic modes. Aims. We aim to refine the physical properties and architecture of both systems. Methods. We use SPHERE commissioning data and REM observations, as well as literature and unpublished data from VLT/SINFONI, VLT/NaCo, Gemini/NICI, and Keck/NIRC2. Results. We derive new photometry and confirm the nearly daily photometric variability of PZ Tel A. Using literature data spanning 38 yr, we show","authors_text":"A. Baruffolo, A. Bazzon, A. Boccaletti, A. Costille, A. Delboulbe, A.-L. Maire, A.-M. Lagrange, A. Origne, A. Pavlov, A. Vigan, A. Zurlo, B. Salasnich, C. Dominik, C. Ginski, C. Gry, C. Moutou, C. Petit, C. Thalmann, D. Ehrenreich, D. Gisler, D. Le Mignant, D. Mawet, D. Mesa, D. Mouillet, E. Cascone, E. Giro, E. Hugot, F. Madec, F. Vakili, F. Wildi, G. Chauvin, H. M. Schmid, J. 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