X-ray microlensing in the quadruply lensed quasar Q2237+0305

F. Zimmer, R. W. Schmidt, J. Wambsganss

We use archival data of NASA's Chandra X-ray telescope to compile an X-ray light curve of all four images of the quadruply lensed quasar Q2237+0305 (z=1.695) from January 2006 to J…