A sub-Saturn mass planet, MOA-2009-BLG-319Lb : Miyake, N Sumi, T Dong, S Street, R Mancini, L Gould, A Bennett, D. P Tsapras, Y Yee, J. C Albrow, M. D Bond, I. A Fouqué, P Browne, P Han, C Snodgrass, C Finet, F Furusawa, K Harpsøe, K Allen, W Hundertmark, M Freeman, M Suzuk, D Abe, F Botzler, C. S Douchin, D Fukui, A Hayashi, F Hearnshaw, J. B Hosaka, S Itow, Y Kamiya, K Kilmartin, P. M Korpela, A Lin, W Ling, C. H Makita, S Masuda, K Matsubara, Y Muraki, Y Nagayama, T Nishimoto, K Ohnishi, K Perrott, Y. C Rattenbury, N Saito, To Skuljan, L Sullivan, D. J Sweatman, W. L Tristram, P. J Wada, K Yock, P. C. M Bolt, G Bos, M Christie, G. W Depoy, D. L Drummond, J Gal-Yam, A Gaudi, B. S Gorbikov, E Higgins, D Hwang, K. H Janczak, J Kaspi, S Lee, C. U Koo, J. R Kozllowski, S Lee, Y Mallia, F Maury, A Maoz, D McCormick, J Monard, L. A. G Moorhouse, D Muñoz, J. A Natusch, T Ofek, E. O Pogge, R. W Polishook, D Santallo, R Shporer, A Spector, O Thornley, G Allan, A Bramich, D. M Horne, K Kains, N Steele, I Bozza, V Burgdorf, M. J Calchi Novati, S Dominik, M Dreizler, S Glitrup, M Hessman, F. V Hinse, T. C Jørgensen, U. G Liebig, C Maier, G Mathiasen, M Rahvar, S Ricci, D Scarpetta, G Skottfelt, J Southworth, J Surdej, J Wambsganss, J Zimmer, F Batista, V Beaulieu, J. P Brillant, S Cassan, A Cole, A Corrales, E Coutures, Ch Dieters, S Greenhill, J Kubas, D Menzies, J Sharif University of Technology Institute of Physics Publishing