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Positive Superhumps in High-mass-ratio Cataclysmic Variables Driven by Apsidal Disk Precession

  • Authors: Rebecca G. Martin, Stephen H. Lubow, David Vallet, Stephen Lepp

Rebecca G. Martin et al 2026 The Astrophysical Journal Letters 1007 .

  • Provider: AAS Journals

Caption: Figure 3.

The eccentricity growth rate (upper) and the precession rate (lower) as a function of the disk outer radius for the linear models with surface density profile Σ ∝ r−1/2. The left panel shows H/r = 0.02 and the right panel shows H/r = 0.03. The vertical dashed lines show the 3:1 resonance location for each of the four mass ratios.

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