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TOI-6044.01 shows a compact signal near GZ Dra eclipse times in TESS Sector 59

We tested the small flux loss assigned to TOI-6044.01 with the eclipse times of GZ Dra. An exploratory catalog search selected this pair by period and sky position. We used public two-minute light curves from seven sectors and the original Sector 59 target pixels. A template built only from GZ Dra gives a corrected target depth of 382 ± 59 parts per million in Sector 59. This mean uses ten events. A quadratic time baseline gives 340 ± 71 parts per million. Aperture flux, pixel sums, and motion controls retain the signal. The loss image is compact near the target star image. GZ Dra is 27.25 arcminutes away. Its image center is about one detector column from the target center in this sector. A uniform column loss does not describe the full pixel pattern. The six other sectors give a pooled depth of −21 ± 25 parts per million at the fixed reference phase. A separate secondary template gives 151 ± 80 parts per million in Sector 59. This value agrees with a scaled binary secondary depth within the event error. It does not confirm a common source. The errors depend on the selected template and time models. We did not search the full uncertain TOI period range. The evidence defines an unresolved signal for further source tests. It does not establish a planet or confirm contamination from GZ Dra. The package contains native data, source records, code, results, figures, and instructions.

TOI-6044.01 · TIC 356916207 · GZ Dra · TIC 356896561 · TESS · eclipsing binaries · planet candidate · pixel photometry · ephemeris matching

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References

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  1. usesdoi:10.1088/0004-6256/147/5/119

    The comparison of periods and epochs follows the established method for finding contamination among transit candidates.

  2. usesdoi:10.3847/1538-4365/ac324a

    This paper describes the TESS binary catalog used in the exploratory target search.

  3. usesdoi:10.17909/t9-9gm4-fx30

    We use and preserve the TESS-EBs v1.0 catalog snapshot from MAST.

  4. usesdoi:10.3847/1538-4357/ad8571

    Table 1 supplies the fixed reference period and epoch for TIC 356896561. The known binary and its third-body timing signal are prior knowledge.

  5. usesTESS pixel fits in 23 sectors link TOI-785.01 to the known binary OGLE-LMC-ECL-38842 sci:sha256:50b019bef9a061a6ab722f5edef282b842173a3df0326924f4bf4b9e45d68a95

    The local event baselines, pixel loss images, and motion controls informed this analysis. We use new code and new target data.

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