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TTVs are derived from Q1-Q17 Kepler data.  x-axes: “Observed Tc” (Mid-Transit Time): EXOFAST’s best-fits from Normalized PDCSAP_FLUX Kepler light flux vs. time (BJD_tdb - 2454900) data.  y-axes: “(O-C)”: difference between Observed Tc and the Calculated Tc from the graphically obtained linear ephemeris.

Figure: KOI-952.02, P = 8.75 days [Plot avg. error bars = ± 7.39 min.]
TTV_minimum: 189.79 ± 13.36 days, Amp_ttv_minimum: -14.26 ± 3.23 min.
TTV_maximum: 320.35 ± 13.93 days, Amp_ttv_maximum: 17.18 ± 3.23 min.
TTV_minimum: 450.92 ± 14.75 days, Amp_ttv_minimum: -14.26 ± 3.23 min.
TTV_maximum: 581.49 ± 15.78 days, Amp_ttv_maximum: 17.18 ± 3.23 min.
TTV_minimum: 712.06 ± 16.98 days, Amp_ttv_minimum: -14.26 ± 3.23 min.
TTV_maximum: 842.62 ± 18.32 days, Amp_ttv_maximum: 17.18 ± 3.23 min.
TTV_minimum: 973.19 ± 19.77 days, Amp_ttv_minimum: -14.26 ± 3.23 min.
TTV_maximum: 1103.76 ± 21.31 days, Amp_ttv_maximum: 17.18 ± 3.23 min.
TTV_minimum: 1234.33 ± 22.92 days, Amp_ttv_minimum: -14.26 ± 3.23 min.
TTV_maximum: 1364.89 ± 24.59 days, Amp_ttv_maximum: 17.18 ± 3.23 min.
TTV_minimum: 1495.46 ± 26.30 days, Amp_ttv_minimum: -14.26 ± 3.23 min.
P_ttv: 261.13 ± 3.99 days.
Amp_ttv: 31.44 ± 4.57 minutes.
Lomb-Scargle periodogram, periodicity (P_ttv): 262.18 days; Power: 13.52; FAP: 0.00162.
Linear ephemeris (this work): Tc = [8.75209555 ± 0.00002853](Tc#) + [103.63701102 ± 0.00251244]


References:
• Numerous literature and major Tc#, Tc, and TTV tabulation references can be found on my "Summary" webpage following the table.

6 Mar 2015
        Kepler KOI-952 (Kepler-32; KIC-9787239) 5-(or more?)-Planet System

KOI-952.02 (Kepler-32c), the 4th planet from the star in this tightly compact system, showed a clear TTV from its Lomb-Scargle Periodogram and Sinusoidal Fit; scatter, as seen in the following plot, was significant.  No significant TTV was observed for 952.01 or 952.03.  Neither 952.04 nor 952.05 were evaluated since their (LC-recorded) transits were quite weak.