Resolving faint structures in the debris disk around TWA 7. Tentative detections of an outer belt, a spiral arm, and a dusty cloud

J. Olofsson;R. G. van Holstein;A. Boccaletti;M. Janson;P. Thébault;R. Gratton;C. Lazzoni;Q. Kral;A. Bayo;H. Canovas;C. Caceres;C. Ginski;C. Pinte;R. Asensio-Torres;G. Chauvin;S. Desidera;Th. Henning;M. Langlois;J. Milli;J. E. Schlieder;M. R. Schreiber;J. -C. Augereau;M. Bonnefoy;E. Buenzli;W. Brandner;S. Durkan;N. Engler;M. Feldt;N. Godoy;C. Grady;J. Hagelberg;A. -M. Lagrange;J. Lannier;R. Ligi;A. -L. Maire;D. Mawet;F. Ménard, D. Mesa;D. Mouillet;S. Peretti;C. Perrot;G. Salter;T. Schmidt;E. Sissa;C. Thalmann;A. Vigan;L. Abe;P. Feautrier;D. Le Mignant;T. Moulin;A. Pavlov;P. Rabou;G. Rousset and A. Roux

2018