Finding Strong Gravitational Lenses in the DESI DECam Legacy Survey

Understand

We perform a semi-automated search for strong gravitational lensing systems in the 9,000 deg$^2$ Dark Energy Camera Legacy Survey (DECaLS), part of the DESI Legacy Imaging Surveys (Dey et al.).

• The combination of the depth and breadth of these surveys are unparalleled at this time, making them particularly suitable for discovering new strong gravitational lensing systems.
• We adopt the deep residual neural network architecture (He et al.) developed by Lanusse et al.
• for the purpose of finding strong lenses in photometric surveys.