Photometric monitoring of the doubly imaged quasar UM 673: possible evidence for chromatic mi

Photometric monitoring of the doubly imaged quasar UM 673: possible evidence for chromatic microlensing

Nakos, Th.; Courbin, F.; Poels, J.; Libbrecht, C.; Magain, P.; Surdej, J.; Manfroid, J.; Burud, I.; Hjorth, J.; Germany, L.; Lidman, C.; Meylan, G.; Pompei, E.; Pritchard, J.; Saviane, I.

A&A 441,443