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The Arc in the DX Cha Circumbinary System: Evidence for a Retrograde Circumbinary Disk

  • Authors: Cheng Chen, Daniela Paz Iglesias, James M. Miley, C. J. Nixon

Cheng Chen et al 2026 The Astrophysical Journal Letters 1001 .

  • Provider: AAS Journals

Caption: Figure 3.

Series of snapshots showing the disk structural changes on short timescales as the binary completes an orbit. Each panel is separated in time by an interval of 0.1 Tb. The two cyan dashed circles indicate the location and FWHM of the azimuthal asymmetric ring modeled in T. Juhász et al. (2025). While the spiral streams can cross the location of the observed ring, the strong density enhancement associated with the inner edge of the circumbinary disk is at a significantly larger radius than the observed ring.

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