J. H. PeñaDouglas dos Santos PinaH. HuepaSergio B. JuárezC. VillarrealJ. GuillénA. A. SoníA. RenteríaJ. M. DonaireRicardo R. Muñoz2026-03-222026-03-22202110.22201/ia.01851101p.2021.57.02.06https://doi.org/10.22201/ia.01851101p.2021.57.02.06https://andeanlibrary.org/handle/123456789/70987We determine the nature of the Delta Scuti star AD CMi and its physical parameters from newly determined times of maximum light and other times from the literature, as well as from uvby −β photoelectric photometry.enPhysicsPhotometry (optics)DeltaAmplitudeAstrophysicsVariation (astronomy)Photoelectric effectStar (game theory)AstronomyStarsarticle