Planck early results. V. The Low Frequency Instrument data processing

Zacchei, A; Maino, D; Baccigalupi, C; Bersanelli, M; Bonaldi, A; Bonavera, L; Burigana, C; Butler, Rc; Cuttaia, F; de Zotti, G; Dick, J; Frailis, M; Galeotta, S; Gonzalez Nuevo, J; Gorski, Km; Gregorio, A; Keihanen, E; Keskitalo, R; Knoche, J; Kurki Suonio, H; Lawrence, Cr; Leach, S; Leahy, Jp; Lopez Caniego, M; Mandolesi, N; Maris, M; Matthai, F; Meinhold, Pr; Mennella, A; Morgante, G; Morisset, N; Natoli, P; Pasian, F; Perrotta, F; Polenta, G; Poutanen, T; Reinecke, M; Ricciardi, S; Rohlfs, R; Sandri, M; Suur Uski, As; Tauber, Ja; Tavagnacco, D; Terenzi, Luca; Tomasi, M; Valiviita, J; Villa, F; Zonca, A; Banday, Aj; Barreiro, Rb; Bartlett, Jg; Bartolo, N; Bedini, L; Bennett, K; Binko, P; Borrill, J; Bouchet, Fr; Bremer, M; Cabella, P; Cappellini, B; Chen, X; Colombo, L; Cruz, M; Curto, A; Danese, L; Davies, Rd; Davis, Rj; de Gasperis, G; de Rosa, A; de Troia, G; Dickinson, C; Diego, Jm; Donzelli, S; Dorl, U; Efstathiou, G; Ensslin, Ta; Eriksen, Hk; Falvella, Mc; Finelli, F; Franceschi, E; Gaier, Tc; Gasparo, F; Genova Santos, Rt; Giardino, G; Gomez, F; Gruppuso, A; Hansen, Fk; Hell, R; Herranz, D; Hovest, W; Huynh, M; Jewell, J; Juvela, M; Kisner, Ts; Knox, L; Lahteenmaki, A; Lamarre, Jm; Leonardi, R; Leon Tavares, J; Lilje, Pb; Lubin, Pm; Maggio, G; Marinucci, D; Martinez Gonzalez, E; Massardi, M; Matarrese, S; Meharga, Mt; Melchiorri, A; Migliaccio, M; Mitra, S; Moss, A; Norgaard Nielsen, Hu; Pagano, L; Paladini, R; Paoletti, D; Partridge, B; Pearson, D; Pettorino, V; Pietrobon, D; Prezeau, G; Procopio, P; Puget, Jl; Quercellini, C; Rachen, Jp; Rebolo, R; Robbers, G; Rocha, G; Rubino Martin, Ja; Salerno, E; Savelainen, M; Scott, D; Seiffert, Md; Silk, Ji; Smoot, Gf; Sternberg, J; Stivoli, F; Stompor, R; Tofani, G; Toffolatti, L; Tuovinen, J; Turler, M; Umana, G; Vielva, P; Vittorio, N; Vuerli, C; Wade, La; Watson, R; White, Sdm; Wilkinson, A.