Meusinger H, Henze M, Birkle K, Pietsch W, Williams B, Hatzidimitriou D, Nesci R, Ertel S, Hinze A, Bertold T, et al. A unique UV flare in the optical light curve of the quasar J004457.9+412344. In: Vol. 39. ; 2012. pp. 08001.