Gaia GraL: Gaia DR2 gravitational lens systems - IV. Keck/LRIS spectroscopic confirmation of GRAL 113100−441959 and model prediction of time delays - Wertz, Olivier; Klüter, Jonas; Bastian, Ulrich; Wambsganß, Joachim (Astronomy and astrophysics, 2019)
Gesehen am 18.02.2020