Kepler-20: a Sun-like star with three sub-Neptune exoplanets and two Earth-size candidates

Thomas N. Gautier, David Charbonneau, Jason F. Rowe, Geoffrey W. Marcy, Howard Isaacson, Guillermo Torres, Francois Fressin, Leslie A. Rogers, Jean-Michel Désert, Lars A. Buchhave, David W. Latham, Samuel N. Quinn, David R. Ciardi, Daniel C. Fabrycky, Eric B. Ford, Ronald L. Gulliland, Lucianne M. Walkowicz, Stephen T. Bryson, William D. Cochran, Michael EndlDebra A. Fischer, Steve B. Howell, Elliott P. Horch, Thomas Barclay, Natalie Batalha, William J. Borucki, Jessie L. Christiansen, John C. Geary, Christopher E. Henze, Matthew J. Holman, Khadeejah Ibrahim, Jon M. Jenkins, Karen Kinemuchi, David G. Koch, Jack J. Lissauer, Dwight T. Sanderfer, Dimitar D. Sasselov, Sara Seager, Kathrym Silverio, Jeffrey C. Smith, Martin Still, Martin C. Stumpe, Peter Tenenbaum, Jeffrey van CleveVis 24 andreVis mindre