What question did this study set out to answer?

This study aims to classify and analyze the variability of four eclipsing binary systems using TESS photometric data.

Photometric Study of Four Eclipsing Binaries from TESS

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Randomized trial examines light curve variations in eclipsing binary systems, suggesting star spot influences.

This study aims to classify and analyze the variability of four eclipsing binary systems using TESS photometric data.
Classified binary systems based on Roche lobes and Lagrange points.
Computed orbital periods and initial epochs through O–C diagram analysis.
Utilized Lomb-Scargle periodogram to estimate rough periods of O–C variability.
No significant period variations were found for TIC 142154041 and TIC 1400824435.
Quasi-periodic variability in TIC 237278994 showed antiphase behavior consistent with the O'Connell effect.
For TIC 140638648, primary and secondary minima exhibited antiphase characteristics, confirmed by second harmonic analysis.

Liashenko et al. (2026) studied this question.

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