Resolving the discrepancy between lensing and X-ray mass estimates of the complex galaxy cluster Abell 1689

Signe Riemer-Sorensen, Danka Paraficz, Desiree Della Monica Ferreira +3

There is a long-standing discrepancy between galaxy cluster masses determined from X-ray and gravitational lensing observations of which Abell 1689 is a well-studied example. In th…