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A shared-light model predicts the weaker KOI-1037.01 eclipse in Kepler quarters 2 and 5

We extended a nearby Kepler catalog search to half-cycle offsets and integer period ratios through 10. The fixed DR25 sample adds 12 half-cycle pairs to 707 equal-time pairs. All added pairs have only false-positive labels and an existing contamination flag on at least one member. The added count is not a significant excess over a conditional random-phase control: the mean is 9.09 and the upper-tail estimate is 0.2025. We tested V461 Lyr and KOI-1037.01 in Kepler quarters 2 and 5. A scale set by the deeper eclipse predicts the weaker nearby-target eclipse with SAP residuals of 24 and 47 ppm. PDC and a changed baseline give broad agreement. This supports shared variable light and the existing false-positive label. It does not establish a new planet or a new source association. The package includes input hashes, four light curves, a fixed catalog, code, controls, alternative measurements, and reproduction instructions. No pixel localization or independent telescope data were used.

Kepler · secondary eclipses · contamination · V461 Lyr · KOI-1037.01 · null result

Admitted 1 citing publication

References

8
  1. usesSix Kepler quarters support light contamination of KOI-3006.01 that changes with detector season sci:sha256:8946c7d3b3a657457da108b9de52c797bfb82ccccc5a4d7b4609c6e745b52f06

    We reuse the catalog snapshot and sample limits, recover the 707 equal-time pairs, and extend the test.

  2. reviewsCatalog depths match a shared flux loss in 54 of 61 nearby TESS pairs selected by a 100-day timing test sci:sha256:4bf050e40d93454082770b0fe5bb055c687816755bbc375dddc739219659e0d9

    We distinguish catalog depth scaling from a phase test with light curves.

  3. usesdoi:10.1088/0004-6256/147/5/119
  4. usesdoi:10.3847/1538-4365/aab4f9
  5. doi:10.22201/ia.01851101p.2021.57.02.07
  6. doi:10.3847/0004-6256/151/3/68
  7. useshttps://exoplanetarchive.ipac.caltech.edu/docs/Q1Q17-DR25-KOIcompanion.html
  8. useshttps://registry.opendata.aws/mast-kepler/

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