The OGLE-III planet detection efficiency from six years of microlensing observations (2003-2008)

Y. Tsapras, M. Hundertmark, L. Wyrzykowski, K. Horne, A. Udalski, C. Snodgrass, R. Street, D. M. Bramich, M. Dominik, V. Bozza, R. Figuera Jaimes, N. Kains, J. Skowron, M. K. Szymanski, G. Pietrzynski, I. Soszynski, K. Ulaczyk, S. Kozlowski, P. Pietrukowicz, R. Poleski