Abstract
This IC work is part of a broader effort to search for gravitational lensing in the first Gaia data release - GDR1 and eventually in the second one, GDR2. The objective of this IC is to contribute with the work that has been developed by the GraL (Gaia Gravitational Lensing) group, formed by colleagues from various institutions and countries: Bordeaux, Heildelberg, Liège, Lisboa, Nice and…