Gravitational Lens System PS J0147+4630 (Andromeda’s Parachute): Main Lensing Galaxy and Optical Variability of the Quasar Images

This research has been conducted in the framework of the Gravitational LENses and DArk MAtter (GLENDAMA) project, which is supported by the MINECO/AEI/FEDER-UE grant AYA2017-89815-P and the University of Cantabria