^ ابجدDaniel C. Fabrycky; Eric Agol; Eric B. Ford; et al. (27 Oct 2012). "Transit timing observations from Kepler – VII. Confirmation of 27 planets in 13 multiplanet systems via transit timing variations and orbital stability". Monthly Notices of the Royal Astronomical Society (بالإنجليزية). 428 (2): 1077–1087. arXiv:1208.3499. Bibcode:2013MNRAS.428.1077S. DOI:10.1093/MNRAS/STS090. ISSN:0035-8711. QID:Q59712443.