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A photometric study of the light variations of the triple system DG Leo
Multi-site and multi-year differential photometry of the triple star DG Leo reveals a complex frequency spectrum that can be modelled as the combination of at least three δ Scuti type frequencies in the range 11.5–13 c/d (with semi-amplitudes of 2–7 mmag) and a superimposed slow variability of larger amplitude. The …