Separating planetary reflex Doppler shifts from stellar variability in the wavelength domain by Cameron, AC, Ford, EB, Shahaf, S, Aigrain, S, Dumusque, X, Haywood, RD, Mortier, A, Phillips, DF, Buchhave, L, Cecconi, M, Cegla, H, Cosentino, R, Cretignier, M, Ghedina, A, Gonzalez, M, Latham, DW, Lodi, M, Lopez-Morales, M, Micela, G, Molinari, E, Pepe, F, Piotto, G, Poretti, E, Queloz, D, Juan, JS, Segransan, D, Sozzetti, A, Szentgyorgyi, A, Thompson, S, Udry, S, Watson, C