Zacharias, N. et al.: The Third US Naval Observatory CCD Astrograph Catalog (UCAC3). arxiv:1003.2136.
Lasker, Barry M. et al.: The Second-Generation Guide Star Catalog: Description and Properties. arxiv:0807.2522.
Fressin, Francois; Torres, Guillermo; Rowe, Jason F.; Charbonneau, David; Rogers, Leslie A.; Ballard, Sarah; Batalha, Natalie M.; Borucki, William J.; Bryson, Stephen T.; Buchhave, Lars A.; Ciardi, David R.; Désert, Jean-Michel; Dressing, Courtney D.; Fabrycky, Daniel C.; Ford, Eric B.; Gautier III, Thomas N.; Henze, Christopher E.; Holman, Matthew J.; Howard, Andrew; Howell, Steve B.; Jenkins, Jon M.; Koch, David G.; Latham, David W.; Lissauer, Jack J.; Marcy, Geoffrey W.; Quinn, Samuel N.; Ragozzine, Darin; Sasselov, Dimitar D.; Seager, Sara; Barclay, Thomas; Mullally, Fergal; Seader, Shawn E.; Still, Martin; Twicken, Joseph D.; Thompson, Susan E.; Uddin, Kamal: Two Earth-sized planets orbiting Kepler-20. arxiv:1112.4550.
Francois Fressin, Guillermo Torres, Jason F. Rowe, David Charbonneau, Leslie A. Rogers, Sarah Ballard, Natalie M. Batalha, William J. Borucki, Stephen T. Bryson, Lars A. Buchhave, David R. Ciardi, Jean-Michel Desert, Courtney D. Dressing, Daniel C. Fabrycky, Eric B. Ford, Thomas N. Gautier III, Christopher E. Henze, Matthew J. Holman, Andrew W. Howard, Steve B. Howell, Jon M. Jenkins, David G. Koch, David W. Latham, Jack J. Lissauer, Geoffrey W. Marcy, Samuel N. Quinn, Darin Ragozzine, Dimitar D. Sasselov, Sara Seager, Thomas Barclay, Fergal Mullally, Shawn E. Seader, Martin Still, Joseph D. Twicken, Susan E. Thompson, Kamal Uddin: Two Earth-sized planets orbiting Kepler-20. arxiv:1112.4550.
csiro.au
atnf.csiro.au
Australia Telescope, Outreach and Education (Commonwealth Scientific and Industrial Research Organisation): The Colour of Stars. Abgerufen am 9. April 2015.
exoplanet.eu
The Extrasolar Planets Encyclopaedia: Planet Kepler-20 b. Abgerufen am 9. April 2015.