While taking a close look at this system, I noticed the 806.03 Super Earth planet candidate isn't transiting as expected.
See changes in 806.03 transits as BMJD times move toward Q6 -- the object appears to slow and miss its transit time.
For comparison the other planet candidates 806.01 and 806.02 are charted after that. Their earlier/later quarter transits
are where I expected them to be.
My conclusion: with the PC originally designated Kepler 806.03 (now Kepler-30b) there is more gravitational pull from
the larger Jupiter or Saturn class planet candidates than was predicted with other studies using only Q0-Q2 data.
Of course if a yet-undiscovered object is causing this variation, that would be more interesting.
Note the dotted vertical lines mark when-and-where the transit should be.
The white label is the where-it-should-be calculated value.
And here are the Kepler values used for these calculations:
KID 3832474:
806.01 Period = 143.1814 Transit Epoch = 154.2386
806.02 Period = 60.32875 Transit Epoch = 243.89513
806.03 Period = 29.1654 Transit Epoch = 150.6924
806.03 Q1 chart; transit starts out in line:
806.03 Q3 chart:
806.03 Q4 chart:
806.03 Q5 chart:
806.03 Q5 chart:
806.03 Q6 chart:
And here are the earlier/later quarter charts of the other planet transits.
No number labels added there since they are all as-expected.
And none of the data was detrended on-purpose.
806.01 Q1 chart:
806.01 Q6 chart:
806.02 Q2 chart:
806.02 Q6 chart:
Check my math and run some charts of your own and see if you agree.