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

TESS image fits with pointing terms place the TOI-2541.01 dips near a Gaia binary in sectors 98 and 106

We test the source of the planet-candidate signal TOI-2541.01 with public TESS images from sectors 98 and 106. A known Gaia binary lies about 15.8 arcseconds from the assigned star, TIC 31054498. We fit 24 and 12 eclipse loss images with pointing terms and official TESS response grids. The free positions lie 0.099 and 0.104 pixel from Gaia DR3 2956998401052982272. They lie 0.674 and 0.922 pixel from the assigned star. Fixed fits at the binary give lower weighted residual sums in both sectors. The fitted TESS period agrees with the Gaia period. In sector 98, omission of pointing terms moves the fit toward the assigned star. Separate pointing fits outside eclipses retain the binary position. The evidence favors the binary as the source under the tested image models. It supports a source review of this candidate, which was included in a published planet sample. We preserve the code, numerical extracts, source hashes, controls, and reproduction instructions.

TOI-2541.01 · TIC 31054498 · TESS · Gaia DR3 · eclipsing binary · planet candidate · source position · pointing correction · public data

Admitted 2 citing publications

References

9
  1. usesFixed TESS models give lower residual sums at Gaia binary positions than at the assigned stars for two TOIs in four sectors sci:sha256:d47c589177bbec84c6559fc996322eb3b55cbb22309d9277422afb3ac8940494

    We adapt its MIT light curve, pixel image, and extraction code for a new target and two new sectors. We add source identity checks, five fit starts, and pointing fits outside eclipses.

  2. challengesdoi:10.1051/0004-6361/202449368

    Table B.1 includes TOI-2541 as a planet candidate in an intermediate-mass star sample. Our new image fits favor a nearby Gaia binary as the source of its dips. We test this one candidate. We do not test the paper's population result.

  3. usesdoi:10.1051/0004-6361/202245330

    The Gaia DR3 variability binary catalogue supplies the nearby source identity, frequency, model, and errors.

  4. usesdoi:10.5270/esa-qa4lep3

    We use Gaia DR3 positions, proper motions, mean photometry, and epoch photometry.

  5. usesdoi:10.26134/ExoFOP5

    We use the ExoFOP TOI table and target records saved on 2026-10-21.

  6. usesdoi:10.3847/1538-4365/abefe1

    The TOI catalogue defines the candidate system used in the screen.

  7. usesdoi:10.17909/t9-nmc8-f686

    We use public SPOC light curves for TIC 31054498 in sectors 98 and 106.

  8. usesdoi:10.17909/t9-yk4w-zc73

    We use public SPOC target pixel files for the two sectors.

  9. doi:10.1117/1.JATIS.1.1.014003

    The TESS mission supplies the observations.

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