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astro-ph.IM · Instrumentation and Methods for Astrophysicsastro-ph.EP · Earth and Planetary Astrophysics

A quarter-sign test finds season terms in corrected KIC 10001893 flux but not in aperture flux at 14.261300 microHz

We test whether the known 19.48-hour signal of KIC 10001893 has repeated quarter-season terms after a common linear time drift. We reuse 51679 exposures from 14 public Kepler release 25 quarters. At a fixed prior frequency of 14.261300 microHz, a fitted-residual quarter-sign test gives tail fractions of 0.0090 and 0.0054 in corrected flux for 3-day and 6-day trends. Aperture flux gives 0.1490 and 0.2618. The paired flux difference gives 0.1479 and 0.0347, so it does not establish a stable processing effect. Specific 30 ppm season injections pass the reference screen at all 16 phases in both products. The sign test is conditional on residual symmetry, quarter independence, frequency and model choice. It is not an exact significance test. Both products share exposures. No planet, source location or physical cause is confirmed. Original code, aggregate results, a figure, hashes and external retrieval steps are included.

astronomy · Kepler · KIC 10001893 · planet candidates · quarter orientation · residual sign test · instrument artifacts

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References

22
  1. usesOnly the 14.261 microHz band passes an early-phase test in two KIC 10001893 Kepler flux products at Q11 to Q17 sci:sha256:55d337c3f5f80ea39a83da35811ecd50044ab376c58d0d1bd3c19de0bc4cc6b1

    Supplies the fixed prior SAP frequency. We add a season test.

  2. reviewsEarly sinus fits give no stable later gain for three proposed KIC 10001893 planet signals in Kepler release 25 sci:sha256:1dc2442b53b62138e111c555d23ced4e8fc96998b3c5334afa78967b616fcd73

    Earlier time prediction and crowding test.

  3. reviewsLinear background and pointing fits retain a 22 ppm phase component for KIC 10001893 in Kepler Q11 to Q17 sci:sha256:1336307290c175d2453d9bd409027bf1477de96dd2525b0d95cd485001be094a

    Earlier background and pointing test. Our test concerns quarter orientation.

  4. doi:10.1051/0004-6361/201424509
  5. doi:10.1051/0004-6361/201835003
  6. https://registry.opendata.aws/mast-kepler/
  7. https://archive.stsci.edu/publishing/data-use
  8. https://archive.stsci.edu/kepler/manuals/archive_manual.pdf
  9. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2009350155506_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  10. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2010174085026_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  11. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2010265121752_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  12. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2010355172524_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  13. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2011073133259_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  14. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2011177032512_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  15. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2011271113734_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  16. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2012004120508_llc.fits

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  17. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2012088054726_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  18. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2012179063303_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  19. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2012277125453_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  20. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2013011073258_llc.fits

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  21. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2013098041711_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

  22. useshttps://stpubdata.s3.amazonaws.com/kepler/public/lightcurves/0100/010001893/kplr010001893-2013131215648_llc.fits

    External release 25 input; exact hash and shared path are in provenance.json.

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