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Title: Transit timing observations from Kepler – VII. Confirmation of 27 planets in 13 multiplanet systems via transit timing variations and orbital stability

Journal Article · · Monthly Notices of the Royal Astronomical Society
DOI:https://doi.org/10.1093/mnras/sts090· OSTI ID:1419174
 [1];  [2];  [3]; ;  [4];  [5];  [6];  [7];  [6];  [6];  [8];  [7];  [6];  [5];  [6];  [6];  [6];  [6]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States). Accelerator Physics Center
  2. Lick Observ.
  3. Washington U., Seattle
  4. Florida U.
  5. Texas U.
  6. NASA Ames Research Center (ARC), Moffett Field, Mountain View, CA (United States)
  7. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States)
  8. SETI Inst., Mrn. View
+ Show Author Affiliations

We confirm 27 planets in 13 planetary systems by showing the existence of statistically significant anti-correlated transit timing variations (TTVs), which demonstrates that the planet candidates are in the same system, and long-term dynamical stability, which places limits on the masses of the candidates---showing that they are planetary. %This overall method of planet confirmation was first applied to \kepler systems 23 through 32. All of these newly confirmed planetary systems have orbital periods that place them near first-order mean motion resonances (MMRs), including 6 systems near the 2:1 MMR, 5 near 3:2, and one each near 4:3, 5:4, and 6:5. In addition, several unconfirmed planet candidates exist in some systems (that cannot be confirmed with this method at this time). A few of these candidates would also be near first order MMRs with either the confirmed planets or with other candidates. One system of particular interest, Kepler-56 (KOI-1241), is a pair of planets orbiting a 12th magnitude, giant star with radius over three times that of the Sun and effective temperature of 4900 K---among the largest stars known to host a transiting exoplanetary system.

Research Organization:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
Kepler
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1419174
Report Number(s):
arXiv:1208.3499; FERMILAB-PUB-12-473-AE; 1127985
Journal Information:
Monthly Notices of the Royal Astronomical Society, Vol. 428, Issue 2; ISSN 0035-8711
Publisher:
Royal Astronomical Society
Country of Publication:
United States
Language:
English

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