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Probing Periodic Trends in the TESS Light Curves of the Seventeen Known Double White Dwarf Systems

  • Authors: Sedighe Sajadian, Aref Asadi

Sedighe Sajadian and Aref Asadi 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 4.

The amplitudes of ellipsoidal variations for two targets J2132+0754 and LP400−22 vary with the inclination angle and by considering different values for the mass of the secondary components (represented by different colors) and the radius of the primary components (represented by different line styles). The thick red lines represent the amplitudes of the observed periodic trends in their TESS light curves Δn. We utilize the analytical relation provided by S. L. Morris & S. A. Naftilan (1993) to evaluate the amplitude of the ellipsoidal variation.

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