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The presence of pulsating stars in eclipsing binary systems (EBs) makes theseobjects significant since they allow us to investigate the stellar interiorstructure and evolution. Different types of pulsating stars could be found inEBs such as Delta Scuti variables. Delta Scuti stars in EBs have been known fordecades and the increasing number of such systems is important forunderstanding pulsational structure. Hence, in this study, a research wascarried out on the southern TESS field to discover new Delta Scuti stars inEBs. We produced an algorithm to search for detached and semi-detached EBsconsidering three steps; the orbital period (P$_{orb}$)'s harmonics in theFourier spectrum, skewness of the light curves, and classification of\textsc{UPSILON} program. If two of these steps classify a system as an EB, thealgorithm also identifies it as an EB. The TESS pixel files of targets werealso analyzed to see whether the fluxes are contaminated by other systems. Nocontamination was found. We researched the existence of pulsation through EBswith a visual inspection. To confirm Delta Scuti-type oscillations, the binaryvariation was removed from the light curve, and residuals were analyzed.Consequently, we identified 42 Delta Scuti candidates in EBs. The P$_{orb}$,$L$, and M$_{V}$ of systems were calculated. Their positions on the H-R diagramand the known orbital-pulsation period relationship were analyzed. We alsoexamined our targets to find if any of them show frequency modulation with theorbital period and discovered one candidate of tidally tilted pulsators.

Discovery of Delta Scuti variables in eclipsing binary systems II.Southern TESS field search