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    • Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. X. Variability of Fairall 9 from optical data 

      Santos-Lleo, M.; Chatzichristou, E.; Oliveira, C. Mendes de; Winge, Claudia; Alloin, Danielle Marie; Peterson, Bradley M.; Rodriguez-Pascual, P.M.; Stirpe, Giovanna M.; Beers, T.C.; Bragaglia, Angela; Claeskens, J.-F.; Federspiel, M.; Giannuzzo, E.; Gregorio-Hetem, J.; Mathys, G.; Salamanca, I.; Stein, P.; Stenholm, B.; Wilhelm, Ronald; Zanin, C.; Albrecht, P.; Calderon, J.H.; Caretta, C.A.; Carranza, Gustavo Jose; Costa, Roberto Dell'Aglio Dias da; Díaz, Rubén Joaquín; Dietrich, Matthias; Dottori, Horacio Alberto; Elizalde, Flavio; Goldes, G.; Ghosh, K.K.; Maia, M.A.G.; Paolantonio, S.; Rodrigues, Irapuan; Rodrigues-Ardila, Alberto; Schmitt, Henrique Roberto; Soundararajaperumal, S.; Souza, R.E. de; Willmer, C.N.A.; Zheng, W. (1997) [Journal article]
      The results of an optical monitoring campaign on the active nucleus in the luminous Seyfert 1 galaxy Fairall 9 are presented. This campaign was undertaken in parallel with ultraviolet spectroscopic monitoring with the IUE ...